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British Standard
This material is like the Besaflex material a soft PVC, but specially designed to fulfill the requirements of the British Standard. It also meets the requirements of the Water Regulation Advisory Scheme (WRAS), Tests on Effect on Water Quality/BS 6920:2000/Cold Water use.
Material properties British Standard
|
Material property |
Value |
Test method |
|---|---|---|
|
Shore-Hardness A |
70 - 90 Grad |
BS 2782: Part 3 Method 365 B |
|
Density |
1300 kg/m3 +/- 5 % |
BS 2782: Part 3 Method 620 B |
|
Tensile strength |
>= 13 N/mm2 |
ASTM D638M-93 |
|
Elongation at break |
>= 285 % |
ASTM D638M-93 |
|
Water absorption |
<= 0,15 |
BS 2782: Part 4 Method 430 A |
|
Softness number |
42 - 52 |
BS 2782: Part 3 Method 365 A |
The material is free of lead, cadmium, formaldehyd and suitable for exterior use.
All waterstops made from TPE are manufactured with a tolerance according to DIN 16941.