Fireproof Rubber NBR Foam Sheet
Fireproof Rubber NBR Foam Sheet.
On the basis of the elastomeric foam with closed-cellular structure, high quality flexible insulation product designed for insulating in the field of heating, ventilating, air conditioning and refrigerating(HVAC & R). And provides efficient method of preventing undesirable heat gain or loss in chilled water systems, cold and hot water plumbing, refrigerated pipes, air conditioning ductwork and equipment.
thermal/heat insulation rubber foam sheet/tube/material is widely used in medium pipeline of center air-conditioner, vehicle and shipping, chemical and medical industrial, getting the effect of reduce the cold and heat losing.
Parameters as following:
Item |
Unit |
Specification |
||
Density |
Kg/m3 |
40-90 |
||
Flammability |
-- |
Grade |
B1 |
|
Oxygen index |
≥32 |
|||
SDR |
≤75 |
|||
Conductivity factoraverage temp 0 |
W/(m.k) |
≤0.038 |
||
Water vapor permability |
coefficient |
g/(m.s.pa) |
≤4.4×10-10 |
|
factor |
-- |
≥4.5×103 |
||
Water absorption ratio in vacuum |
% |
≤10 |
||
Dimension stablility105±3,7d |
% |
≤10 |
||
Crack resistance |
N/cm |
≥3.0 |
||
Compression resistance recompression ratio Compression time 72h |
% |
≥70 |
||
|
Anti-ozone Ozone pressure 202pa 200h |
-- |
Not cracking |
||
Aging resistance |
-- |
No wrinkle ,no cracks, no pin holes, not deforming. |
||
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