BASALT

 

 

 

 

THE MATERIAL

FOR THE 21ST SENTURY

Basalt is well known as rock found in virtually every country around the world. Its main use is as a crushed rock used in construction, industrial and highway engineering. However it is not commonly known that basalt can be used in manufacturing and made into fine, superfine and ultra fine fibers. Comprised of single-ingredient raw material melt, basalt fibers are superior to other fibers in terms of thermal stability, heat and sound insulation properties, vibration resistance and durability.

Basalt continuous fibers offer the prospect of a completely new range of composite materials and products.

Basalt products have no toxic re-action with air or water, are non-combustible and explosion proof. When in contact with other chemicals they produce no chemical reactions that may damage health or the environment. Basalt replace almost all applications of asbestos and has three times its heat insulation properties. Basalt based composites can replace steel and all known reinforced plastics (1 kg of basalt reinforcement equals 9.6 kg of steel). The life of basalt fiber pipes, designed for a variety of applications, is at least 50 years without maintenance or electrical or technical protection.

Basalt fibers together with carbon or ceramic fibers as well as various metals is the most advanced and exciting area of application, as they can develop new hybrid composite materials and technologies.

Basalts special properties reduces the cost of products whilst improving their performance. More than hundred specific unique manufacturing techniques using basalt fiber materials and products have been developed and patented in Russia.

PRODUCTS

 

BASALT STRAND

 

BASALT FABRICS

 

ROOFING BASALT FABRIC

 

BASALT ROVING

 

CHOPPED BASALT FIBER

 

BASALT NET

 

ROLLED BFRP

 

BASALT FIBER TAPES

 

BASALT BASED BOARD AND BOARD SHEETS

 

SOUND ABSORBING MATS BZM

 

HEAT INSULATING

 

CONTACT US

 

 

 

BASALT FIBRES

 

Basalt fibers are new unique and economic products with superior properties to similar one in present use like as glass fibers.

These fibers as a basis for composites open a new page in the 21st century material science.

In thermal conductivity, articles made of basalt fibers are 3 times as efficient as those made of asbestos, and superior to glass and mineral fibers. The application temperature of articles made of basalt fibers markedly higher (from 2600C to 9000C).

In their physical properties (strength, elasticity) basalt fibers considerably exceed mineral and glass fibers.

 Due the elasticity of micro- and macrostructure, basalt fibers are vibration-resistant compared to similar products. This property is of particular importance in mechanical construction and civil engineering. For example, when buildings are erected near highways, railways and underground, whereas under vibration cushions of mineral and glass fibers experience damage and finally disintegrate, basalt slabs are vibration-resistant and, hence, more durable.

In chemical properties basalt fibers are more resistant to aggressive media i. e. acids and alkalis. Therefore pipes made of basalt fibers may be used in the chemical production for transporting hot acids, in the construction of sewerage systems, transportation of aggressive liquids and gases, loose materials, etc.

Dielectric properties of basalt-plastics, in particular volume resistance of basalt fibers are 1 to 2 orders of magnitude higher than those of fiberglass.

Basalt fibers can be used in various branches of industry fully replacing cancerous asbestos and to a considerable degree glass fibers and metals.

 

 

Comparison table of basalt fiber and glass fiber properties

 

PROPERTIES

Basalt fiber

Glass fiber

THERMAL

Operating temperature, C

Verification temperature, C

Thermal conductivity, W/m.K

 

 

-260+700

1050

0,031 - 0,038

 

-60+460

600

0,034 - 0,4

PHYSICAL

Diameter of fiber, mkm

Tex, g/km

Density, kg/m³

Elasticity modulus, kg/mm²

Stability at tension

(after thermal treatment), %

20C

200C

400C

 

 

9 13

28 120

2500 2800

9100 11000

 

 

100

95

82

 

6 17

17 480

2540 2600

7200

 

 

100

92

52

 

CHEMICAL RESISTANCE OF RAW FIBERS WITHOUT SIZING

% weight loss after boiling

during 3 hours in

H2O

2N NaOH

2N HCl

 

 

 

 

 

1,6

2,75

2,2

 

 

 

 

 

6,2

6,0

38,9

ELECTRICAL

Specific volume electrical

Resistance , Ohm.m

 

 

1*10¹²

 

 

1*10¹¹

ACOUSTICAL

Normal coefficient of sound absorption

 

 

0,9 0,99

 

0,8 0,93

 

  1. Basalt fibers are more resistant to the attack of aggressive mediums and steam in comparison with glass fibers.
  2. The specific volume resistance of basalt fiber is one degree higher.
  3. Basalt fabric do not accumulate radiation.

 

 

The processing technologies of basalt fiber conforms to traditional technologies of glass fiber processing (fabrics, roving, chopped strands, GFRP). Thanks to their excellent properties basalt fiber may be used for manufacturing of thermo and alkali resistant articles (tanks, pipes, GFRP, warm insulating materials) and as ecological harmless substitute for asbestos.

At present time we produce a wide range of basalt fiber materials, the list and technical characteristics are included.

 

 

 

 

 

 

 

 

 

FIELDS OF APLICATIONS

 


CONSTRUCTION

 Reinforcement of bridges, tunnels.

Production of sandwich-panels based on basalt and carbon-basalt fibers.

External and internal heat and sound insulation.

 Insulation of panel butt joints.

 Directional and dispersive reinforcement of concrete.

 Repair (healing) of cracks, local damage to buildings, bridges, building constructions.

 Soft roofing (of slate and tile type).

 Reusable shutters.

 Internal waste pipes.

 Reinforced structures

 Heat-supply systems, cable conduits.

 Hydraulic construction.

 

ROAD CONSTRUCTION

 Reinforcement of concrete and asphalt pavements runways.

 Construction of sound-absorbing barriers for highways, railways, and underground metro lines.

 Curb stones, pavement linings (basalt casting).

 Small moulds.

 

ENGINEERING NETWORKS

 Pipelines for heating and hot water supply.

 Pipelines for heat supply.

 Canalization.

 Oil and gas pipelines.

 Cable-conduit, telephone systems protected against electromagnetic fields and information leakage through electronic surveillance.

Highly efficient seals and linings for pipelines.

 Pipes for chemicals production and transportation of aggressive media.

 Pumps for aggressive media.

 

 

AGRICULTURE

 Land drainage pipes.

 Pipes for irrigation and hosing.

 Raising vegetables and seedlings (hydroponics) (Basalt superthin fibers).

 Agricultural construction.

 Agricultural machine construction.

 

UNDERGROUND CONSTRUCTION

  Anchors, pillars, ceilings, vaults.

  Pipelines for various purposes.

 Foundations for buildings and constructions. Trenches laying of pipelines.

 

MACHINE CONSTRUCTION

 Case and body parts.

 Heat-resistance body-containers.

 Refrigerators.

 Completely incombustible thermal sound insulation for cabins, motor compartments, metro carriages, vessels and aircrafts.

 Electrotechnical and electronic circuit boards.

 Brake pads for automobiles, aircrafts, metro carriages and coaches.

 Friction disks for autotractor facilities.

 Frame sections.

 Reinforcement for industrial rubber and other articles.

 Acoustic systems and articles.

 Belts for heavy-loaded conveyers.

 

ENVIRONMENTAL SAFETY

 Protection screens against electromagnetic radiation and information read-out.

 New generation body armor for individual and collective protection.

 Fireproofing and heat-protection working clothes.

 Containers for burial of extremely toxic waste.

 Basalt-carbon heaters for clothes, rooms, incubators etc.


PRODUCTS

 

BASALT STRAND

STP 1023811-51-95

 

Multifilament yarn (or strand) consist of elementary fibers diameter 9 13 mcm bonded together with sizing paraffin emulsion. In accordance with users request the strands may be furnished with an other sizing.

The twist number depends on the fabric type, the yarns may have the linear density from 54 up to 80 tex.

The production of basalt yarns with nominal linear density from 54 up to 140 tex and elementary fibers diameter from 9 up to 13 mcm has good perspectives.

 

 

Properties of asbestos and basalt yarns

 

Properties

Asbestos

Basalt

Thermal resistance, C

Melting temperature, C

Breaking load for the yarn of 500 tex, N

at 20 C

at 400 C

at 500 C

Loss in 25% solution of Na OH after 72 h.,w %

Loss in 37% solution of H Cl after 4 h.,w %

Density, g/cm³

 

500

1550

 

12

1,4

0,5

1,23

60

2,5

700

1450

 

145

75

12,2

3,12

37

2,8

 

ROVING MADE FROM BASALT FIBER STRANDS

TU 5952-030-00204949-95

 

Roving may have the linear density from 120 up to 4800 tex, with elementary fiber diameter from 9 up to 13 mcm furnished with sizing paraffin emulsion or 4S. In accordance with users request the roving may be treated with an other sizings.

 

Physical and mechanical properties

Properties

Norms

1. Specific breaking load, mN/tex (df/tex)

not less than for roving with elementary fiber diameter

9 mcm

12 mcm

 

 

320 (32)

250 (25)

2. Deviation from norm of elementary fiber diameter

9 mcm

12 mcm

 

-1; +2

-2: +1

3. Deviation from norm of linear density, %

(average relatively to nominal)

 

15

4. Humidity, % not more than

1,0

5. Loss on ignition, %

-         paraffin emulsion

-         sizing 4C not less than

 

1,1-1,9

0,5

6. Weight of package

According to users request

 

Basalt roving may be used for production of BFRP, woven and non-woven materials of technical application, for reinforcement of plastics.

 

BASALT ROVING

 

 

Structure

of roving

Liner density (tex)

Deviation from norm of linear density

(tex)

Specific breaking load, mN/tex (df/tex)

Loss on ignition, % not less than

 

Humidity

(%)

RB9 1100 4S

1100

165

352 (35,2)

0,4

0,3

RB9 725 4S

725

108,75

232 (23,2)

0,4

0,3

RB9 2400 4S

2400

360

768 (76,8)

0,4

0,3

RB9 400 4S

400

60

128 (12,8)

0,4

0,3

RB13 2520 - 76

2520

378

806 (80,64)

0,5

0,3

RB17 1200

1200

180

384 (38,4)

0,5

0,3

RB17 - 1680

1680

252

537 (53,76)

0,5

0,3

 

 

BASALT FABRICS

TU 5952-031-00204949-95

 

 

 

Basalt fabrics are produced for structural, electro technical, general and specialized purposes.

For structural uses, basalt fabrics are useful for producing structural basalt plastics based on various thermosetting binders: exposy and phenolic polyesters (for instance by a laying out method). From this materials components for automobiles, aircraft, ships and household appliances can be produced. In the case of preliminary metallization of the fabrics, the resulting basalt plastic acquires shield properties against electromagnetic radiation.

Also, basalt fabrics can be used as a basis when producing soft and rigid roofing.

Basalt fabrics for electrotechnical purposes are used as a base for the production of insulation materials. Their properties are shown table. These materials are employed in the production of substrates for printed circuit boards for electronics and electrical engineering. These have superior properties to similar conventional components made of fiberglass.

General purpose fabrics are useful, for instance, in fire feltings for suppression of extremely complex fires resulting from ignition of highly inflammable liquids, in particular gasoline. The employment of incombustible basalt fabric inserts in industrial ventilators increases their fire safety as well as the fire resistance of ventilating systems.

The cost of basalt fabrics is considerably lower than that of similar materials.

The noncombustible properties of basalt woven materials enable it to resist flames for long periods which make basalt tapes effective as an extra fine resistance insulation fer electric cables and underground ducts.

Basalt fabric hoses may be useful for reinforcing cables, repairing the interior and exterior of tubes and pipelines.

 

 

Physical and mechanical properties

 

 

Type

 

Surface

density

g/m²

 

 

 

Thickness

mm

Density

Threads/cm

 

Breaking load

N (kgf)

 

 

Weave

Warp

Weft

Warp

Weft

BT-5

16015

0,150,015

10+1

51

882(90)

539(55)

Plain 1/1

BT-8

21020

0,180,02

10+1

81

931(95)

784(80)

Plain 1/1

BT-10

22520

0,170,02

10+1

121

931(95)

980(100)

Satin 5/3

BT-11

38025

0,290,03

22+1

131

1715(175)

980(100)

Satin 5/3

BT-13

26020

0,250,03

16+1

81

1225(125)

784(80)

Plain 1/1

 

Technical characteristics of basalt fabrics

 

 

 

Name

 

Weaving

type

 

Breaking load N (kgf)

 

Surface

density

g/m²

 

 

Thickness

mm

 

 

Width, cm

 

Warp

 

Weft

BT-5

Linen

882(90)

539(55)

160

0,15

100

BT-8

Linen

931(95)

784(80)

210

0,18

100

BT-10

Steen

931(95)

980(100)

225

0,17

100

BT-11

Steen

1715(175)

980(100)

385

0,27

100

BT-13

Linen

1225(125)

784(80)

250

0,22

100

BT-100

Linen

784(80)

178(80)

210

0,19

100

BFS-220

Steen

(80)

(80)

220

0,18

90

BFL-240

Linen

(104)

(107)

240

0,22

90

BFL-270

Linen

(123)

(86)

270

0,22

90

BFA-350

Atlas

(182)

(73)

350

0,23

90

BFL-580

Linen

 

 

580

0,52

150

BFL-750

Linen

(335)

(320)

750

0,65

150

BFS-750

Twill

(450)

(220)

750

0,75

150

BFL-100

Linen

(487)

(281)

1000

0,92

150

BFS-100

Twill

(497)

(281)

1100

0,86

150

 

Basalt fabrics have the width of 100 cm with deviation +2/-1% from the norm. Fabrics can be produced with the width up to 200 cm. Basalt fabrics are produced from basalt twisted yarns treated with sizing paraffin emulsion, with direct sizing or with finish. The choice of sizing type depends on users request. Basalt fabrics are intended for producing of constructional basalt plastics and fire resistance materials.

 

 

ROOFING BASALT FABRIC

TU 5952-027-00204949-95

 

 

 

Type

 

Surface

density

g/m²

 

 

 

Thickness

Mm

Density

Threads/cm

 

Breaking load

N (kgf)

 

 

Weave

Warp

Weft

Warp

Weft

TBK 100

21020

0,190,025

10+1

81

784(80)

784(80)

Plain

 

Basalt fabric of the type TBK 100 is destined for producing of roofing and water proofing materials.

 

 

 

 

CHOPPED BASALT FIBER

TU 5952-034-00204949-95

 

Chopped fiber is a mixture of shot cuts of complex basalt yarns. We use complex yarns with the linear density 54, 120, 240 tex treated with different type of sizing.

 

Length,

mm

Diameter of filament, mcm

Moisture

content, %

Not chopped

fibers in lot, %

Loss on ignition, % not less than

(6-83)+0,5

(8-17)+1

Not more than 5

Not more than 5

0,4

 

Chopped fiber is designed for producing of friction materials (brake, linings, clutch, plates), for reinforcement of concrete.

 

 

 

BASALT NET

TU 5952-040-00204949-96

 

Basalt net is useful for reinforcing asphalt-concrete (covering in construction, reconstruction and repair of airports, runways, highways and any pavements, pedestrian ways, road inclines and banks. The reinforcement of disc cutters with basalt nets increases their reliability, safety, and the cutting process output.

The strength of basalt net is as good as metal reinforcement, however it is also 2.6 times lighter, thereby simplifying transportation and handling in construction.

Basalt net is more durable than metallic and glass-fiber reinforcement due to basalt fibers

Like all the basalt articles the net is an ecologically safe material.

 

Nets are produced from basalt twisted yarns treated with sizing paraffin emulsion and other types of sizing.

 

 

Properties

Types of nets

 

SBA 5×5

 

 

SBA 6×5

 

SBA 10×10

 

SBA P 5×5

 

SBA P 6×5

 

SBA P 10×10

Mesh dimensions, mm

5×5

6×5

10×10

5×5

6×5

10×10

Surface density, g/m²

7010

6010

355

8015

7015

4510

Width, cm

100+2/-1

100+2/-1

100+2/-1

100+2/-1

100+2/-1

100+2/-1

Count, yarns/10cm

Warp

Weft

 

 

 

 

 

 

202

151

101

202

151

101

202

202

101

202

202

101

Breaking load, N(kgf) Not less than

Warp

Weft

 

 

 

 

 

 

 

 

 

 

 

 

0,6

0,5

0,3

0,7

0,6

0,3

0,3

0,3

0,15

0,3

0,3

0,15

Elongation at rupture,

%,warp, not more than

 

 

 

 

 

 

 

5

 

5

 

4

 

5

 

5

 

4

Binding content, %

Not more than

 

 

 

 

 

 

-

-

-

12

12

12

 

 

ROLLED BFRP

TU 2296-028-00204949-95

 

Type

Surface density

G/m2

Content of impregnating substance, g/m²

Moisture content, %

Not more than

RBT

160 - 470

4525

0,6

 

Rolled BFRP is used as warm insulation cover of pipelines in- and out-of-doors at an ambient temperature from 40 up to +70º C

 

 

 

BASALT FIBER TAPES

 

Type

Density, threads/cm

Warp Weft

Linear density,

g/100m

Width,

mm

Thickness,

mm

Weave

LEB

242

81

70030

201

0,350,02

Plane

 

BASALT BASED BOARD AND BOARD SHEETS

 

The boards and stiffened sheets are produced from discrete basalt fibers, so called basalt wool.

Depending on the boards density, the may be soft, semi rigid, and rigid.

They can be used in all cases where it is necessary to ensure heat and partial sound insulation of areas. First of all, particularly in the residential buildings for heat and sound insulation of walls, floors and ceilings. The stiffened sheets are used for manufacturing multiplayer building panels of the sandwich type consisting of concrete and basalt or metal basalt metal layers. Basalt fittings are used to bond the layers and basalt fittings are employed to insulate the panel butt joints.

The board based roof lining is moisture proof and durable.

In road construction, board of any density can be used for making sound absorbing barriers for railways, highways and tunnels.

As an excellent heat insulator the board will find a wide number of applications in mechanical engineering. For example, in the construction of refrigerators, refrigerated containers and automobile interiors. That is to say that the boards can be employed in all cases where there are motors or motor compartments: aircraft, ships, automobiles, tunnels etc.

The soft board interlining in fire resistant or heat shielding working clothes will protect a person against fire or cold. All industrial sectors will find further applications for this unique material.

 

 

 

 

Technical data of heat insulating board TK-1-5

Density, kg/m³ max

250

Thermal conductivity at 25º C W/(m*º K), max

0,045

Ultimate tensile strength, Mpa (kg/cm³), min

0,32 (3,2)

Operating temperature, º C

From 260º to +700º

 

Technical data of heat insulating board TK-4-6

Density, kg/m³ max

90

Thermal conductivity at 25º C W/(m*º K), max

0,04

Ultimate tensile strength, Mpa (kg/cm³), min

0,07 (0,7)

Operating temperature, º C

From 260º to +700º

 

 

SOUND ABSORBING MATS BZM

 

The mats are based on super thin basalt fiber of 2 m thickness the surface which is laminated with an acoustically transparent sheathings. They are the most reliable linings for noise absorbing devices in turbine and aircraft manufacture, instrument making and acoustic systems creation.

They are nontoxic, incombustible and explosion proof.

 

Technical data

Application temperature, º C

From 260º to +700º (900)

Thickness, mm

30, 50, 100, 200

 

 

 

 

SOUND ABSORPTION CHARACTERISTICS

Frequencies

Arithmetic mean reverberation coefficient of sound absorption, min

Mat thickness, mm 30 and 50

Mat thickness, mm 100 and 200

Low

0.4 (II class)

0,8 (I class)

Medium

0,9 (I class)

0,9 (I class)

High

0,8 (I class)

0,8 (I class)

 

 

HEAT INSULATING

AND SOUND PROOFING MATS ATM

 

The ATM mats are produced from superthin basalt fibers of 1u thickness the surface of which is laminated with an acoustically transparent sheathing.

They are useful as sound absorbing and sound proofing materials in the construction of industrial structures, aircraft and instrument manufacture. Also, the mats have good heat insulating properties.

They are nontoxic, incombustible and explosion/proof.

 

Technical data

Surface and density, g/m²

330 to 1290

Density, kg/m³, at most

41 48

Moisture content, %

1,5

Thermal conductivity at 25º C W/(m*º K)

0,057

Thickness, mm

5, 10, 15, 20

Limiting operating temperature

+700

 

 

 

 

BASALT-PLASTIC PIPES

Basalt-fiber composite pipes are obtained by winding basalt threads, fabrics, prepress impregnated with a binder.

The pipes may be useful as components for shaft linings, building components, for transporting corrosive liquids and gases in the construction, industrial, agricultural and public services sector.

Other possible areas of application for basalt pipes are masts, aerials, frames, various pipes in construction, communications, etc.

At present, when the price difference between metal and composite pipes is becoming smaller and in view of substantial advantages of the composite pipes, their use in repair of old pipelines and construction of new ones is growing dramatically.

Here are just eight advantages of basalt-plastic over metal pipes:

 

1.               The weight of one meter of basalt-plastic pipe is 3 to 4 times less then that of steel pipe. This not only simplifies handling operations, but also essentially reduces costs for transporting, load-lifting and installation work.

2.               The strength of basalt-plastic pipe is several times stronger than that of glass-fiber pipes and of the majority of steel pipes. This kind of basalt-plastic makes it possible to create high-pressure systems of higher reliability, i. e. over 1000 atm., which is not practical with metal pipes.

3.               High chemical resistance to aggressive media makes it possible to manufacture pipelines for transporting hydrogen sulfide, acids, alkalis, etc.

4.       And as a result of above, there is no need for insulation and anti-corrosion measures.

5.       Basalt pipes are resistant to the action of fungi and microorganisms.

6.              Basalt-plastic has a low thermal conductivity, thereby preventing the deposition of salts and paraffin in pipelines requiring no additional heat insulation.

7.              Being insulators, basalt-plastic pipes are resistant to electrochemical corrosion. All this makes it possible to increase the guaranteed service life of basalt-plastic pipes to 60-80 years, i. e. 2 to 3 times as that of metallic ones.

8.              The equipment intended for producing fiberglass plastic pipes can be adapted to manufacture pipes of various diameters and wall thickness.

 

 

 

 

 

 

 

 

 

 

Comparative characteristics of pipes for industrial water pipelines

at 50 atm pressure (outer diameter 500 mm)

 

 

Characteristics of articles

Seamless pipes Tentative wall

Thickness is 10 mm

Welded pipes

Made of stainless

Steel 12 x 18 HIOT.

Wall thickness is 5mm

Basalt plastic

Wall thickness 5 mm

Service life, years

3 to 7

30

60 to 80

Electrocorrosion

Yes

Yes

No

Thermal conductivity, arb. Units

200

200

1

Hydraulic resistance (new/corroded)

1.3/3.5

1.1/1.2

1/1

Weight of 1 run m., kg

128.24

65

15

Price of 1 run m, %

80

240

100

Labor input, arb. Units

56

56

13

 

 

 

 

 

 

Comparative characteristics of steel,

glass-plastic and basalt pipes

 

Characteristic

Steel

Glass plastic

Basalt plastic

Ultimate tensile strength, Mpa

200

140

150 (300)*

Tensile modulus, Gpa

210

56

70 (160)*

Density, kg/m3

7800

1900

1700

Thermal conductivity, kcal/mxhxdeg

47

0.5

0.3

Volume resistively, Ohmxm

Conductor

1x1010

4x1012

 

 

 

 

 

* Note: In the brackets are values for pipe winding from hybrid basalt-carbon fibres. These properties indices should be much higher.

 

 

Electrotechnical characteristics

 

Properties

Indices

Volume resistance, Ohmxm

4.0x1011 6.0x1012

Relative dielectric permeability (at 1 MHz)

1.8 . . . 2.0

Density, g/cm 3

2.7 to 3.0

Binder content, %

28 to 32

 

 

 

 

 

 

 

REINFORCEMENT RODS

Rods of unidirectional basalt composite successfully replace metallic reinforcement. At higher specific strength and resistance to aggressive media 1 kg of the basalt reinforcement replaces 9.6 kg of metallic.

They are used in the production of building components, panels, barriers, sidewalk, pavement and facing slabs, and many other structural components.

In view of their high electro-insulating properties, basalt bars are used for making insulators for high-voltage power lines.

An especially successful application of the bars is for reinforcement of concrete slabs in hydraulic engineering and construction in seismically hazardous regions, in view of the fact that due

To its chemical inertness the basalt reinforcement is compatible with concretes having different pH, having actually the same coefficient of thermal expansion, and no residual deformation under bending.

 

 

Technical data

Density, g/cm3

1,95

Thermal conductivity, kcal/m*h*deg

0.3

Ultimate strength, Mpa:

 

Tensile

1200

Compressive

420

Bending

800

Mass fraction of polymer binder, %

20 to 25

 

 

CONTACT US

ALF HOLLAND B.V.

Gedempte Zalmhaven 469

3011 BT Rotterdam

Netherlands

tel +31 104140475

fax +31 104142923

mob +31 619844611

E Mail:

alfbv2001@yahoo.com

alf_10@zonnet.nl

 

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