China Open-Cell and Closed-Cell Spray Polyurethane Foam (SPF) Insulation and Coatings, Find details about China PU Foam, Polyurethane Rigid Foam from Open-Cell and Closed-Cell Spray Polyurethane Foam (SPF) Insulation and Coatings
Physical Properities | Test Method | Metric | Value | |
Core Density | GB/T 6343-2009 | kg/m3 | 45.3 | |
Compressive Strength | GB/T 8813-2008 | kPa | 264 | |
Tensile Strenght | GB/T 9641-88 | kPa | 136 | |
Oxygen index | GB/T 2406.2-2009 | % | 23.4 | |
Initial Thermal Conductivity | GB/T 10294-2008 | W/(m·K) | 0.022 | |
Close Cell Content | GB/T 10799-2008 | % | ≥88 | |
Water Absorption | GB/T 8810-2005 | % | ≤3 | |
Dimensional Stability (Foam made After 6 days) | -25ºC | GB/T 8811-2008 | % | ≤±1 ≤±1 |
Property | Blend polyol | Polymeric MDI | |
Product name | SD3231 | PM400(best) | PM200/44v20L/5005 |
Appearance | Pale yellow liquid | Brown liquid | Brown liquid |
Specific gravity at 25°C | 1.20±0.05 g/cm3 | 1.23-1.24 g/cm3 | 1.22-1.23 g/cm3 |
Viscosity at 25°C | 300-500 cps | 350-700 cps | 200±50 cps |
Shelf life | 3 months(summer) 5 months(winter) | 12 months | 12 months |