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Thickness |
in (mm) |
1/2" to 2 -1/2" (13mm to 65 mm) |
Length and Width
|
in (mm) |
According to actual situation |
Packing
|
Carton or By Roll |
Note :
Standard Specification of Sheet |
|||||
Thickness |
10mm |
15mm |
20mm |
25mm |
30mm |
Length |
16m |
16m |
8m |
8m |
8m |
Width |
1m ,1.2m ,1.5m |
1.The above specifications are those in common use ;special specifications are available at customer’s request .
2. Rubber foam sheet and tube are normally in black .Other colors are available at customer’s request .
3. It is recommended to use sheet where outer diameter of tube exceeds 89mm .
4. Multilayer packing is recommended where the thickness of heat insulation materials needs to be greater than 25mm .
5. The width of sheet are available at customer’s request for a scope of 1m to 2m .
Item |
Unit |
Specification |
Standard |
|
Density |
Kg/m3 |
50-55 |
GB/T 6343 |
|
Temperature |
C |
-40 -110C |
GB/T 17794 |
|
Flammability |
Class-0 |
BS476Part7&Part6 |
||
Oxygen index |
% |
≧40 |
GB/T 2406 |
|
SDR |
≦65 |
GB/T 8627-1999 |
||
Conductivity factor -20C 0C 40C |
W/M•K |
≦0.031 |
GB/T 10294 |
|
Water vapor permeability |
Factor |
≧1.0×106 |
GB/T 17146-1997 |
|
Coefficient |
g/(m.s.pa) |
≦1.96×10-11 |
||
Water absorption ratio in vacuum |
% |
≦10 |
GB/T 17794-2008 |
|
Dimension stability 105±3C ,7d |
% |
≦10 |
GB/T 8811 |
|
Crack resistance |
N/cm |
≧2.5 |
GB/T 10808 |
|
Compression resilience ratio Compression ratio 50% Compression time 72h |
% |
≧70 |
GB/T 6669 |
|
Anti-ozone |
Not cracking |
GB/T 7762 |
||
Aging resistance |
Slightly crumpling ,no cracks ,no pin holes ,not deforming |
GB/T 16259 |
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