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In 1960 the H.
Vorndamme OHG developed the first metallized welding tarpaulin.
The idea was to coat asbestos fabric with metal in order to
have a good heat conductor with which the warmth of welding
pearls could be distributed on a larger area.
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The falling
through of welding pearls should be avoided because …
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"MOST
BRANDS RESULT FROM CARELESSNESS WHILE WELDING."
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Metallized fabric
has a lot of advantages in comparison with others. It is easy
to handle and snuggles up to any unevenness. Metal sheets
or plates are not so flexible.
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Today asbestos
is no longer used!
BORASIL is
absolutely asbestos-free
The basic material
consists of a glass / ceramics mixture.
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Excerpt from the safety data
sheet:
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| to 5. The product
is - as defined by § 1 of the regulations for working substances: |
- not explosive
-
not fire-conducive
- not inflammable
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to 6. incompatible substances: |
none |
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dangerous
reactions: |
none |
| Technical
data of BORASIL: |
| Weight: |
ca.
1100 |
g/m² |
| thickness: |
1,5
|
mm |
| tensile
strength: |
warp:
4650 |
N/cm² |
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+/-
10,0 |
% |
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weft:
1250 |
N/cm² |
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+/-
8,8 |
% |
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period of lighting: |
0
|
sec |
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period of glowing: |
0
|
sec |
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surface resistance: |
ca
5 x 108 |
Ohm |
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