Our company introduces foreign advanced technology and equipment, adopts excellent performance of NBR rubber and PVC as the main raw materials, and is foamed by special process. This product is closed-cell structure, with cold resistance, heat resistance, flame retardant and waterproof. It has excellent performance such as sound absorption, it is easy to construct and has no pollution, and it is one of the excellent thermal insulation materials.
Application:
Rubber foam products are widely used in the construction, chemical industry, light industry, metallury, central air-conditioning system pipelines and equipment, living hot water pipes and equipment, industrial low-temperature piping and equipment, as well as refrigeration system.
Product performance advantage:
Item | 0 class | B1 class | B2 class |
Structure | Closed cell | Closed cell | Closed cell |
Temperature range | -50℃~105℃ | -50℃~105℃ | -50℃~105℃ |
Average temperature Conductivity factor(w/mk) | 0.034(0℃) | 0.034(0℃) | 0.034(0℃) |
Water absorption ratio in vacuum | ≤10 | ≤10 | ≤10 |
Flammability | Difficult to burn 0 class | Flame retardant class B1 | Flammability B2 |
Oxygen index | ≥40 | ≥32 | ≥28 |
Vertically burning | ≤30s≤250mm | ≤30s≤250mm | ≤30s≤250mm |
SDR | ≤70 | ≤75 | ≤75 |
Density | 40-80kg/m3 | 40-80kg/m3 | 40-80kg/m3 |
Crack resistance | ≥2.5N/cm | ≥2.5N/cm | ≥2.5N/cm |
Compression resilience ratio | ≥70% | ≥70% | ≥70% |
Dimension stability | ≤10.0% | ≤10.0% | ≤10.0% |
Aging resistance | Slightly crumpling, no cracks, no pin holes, not deforming | Slightly crumpling, no cracks, no pin holes, not deforming | Slightly crumpling, no cracks, no pin holes, not deforming |