POLYOL COMPONENT | MDI-ISOCYANATE COMPONENT | |
Apperance | Clear amber liquid | Dark brown viscous liquid |
Viscosity@20ºC | 500±100cps | 200±40cps |
Hydroxyl value | 400±50mgKOH/g | / |
Specific gravity@20ºC | 1.15±0.05gm/cc | 1.23gm/cc |
MIX RATIO (lab trials suggest following formulation) | 100pbw | 150-180pbw(adjustable) |
Testing items | Test method | Index | |
Chinese standard | Referance Standard | ||
Moulded Density (kg/m3) ≥ | GB/T 6343-2009 | ISO 845:2006 | 45 |
Closed-cell rate (%) ≥ | GB/T10799-2008 | ISO 4590:2002 | 90 |
Initial Thermal conductivity (W/m.k) ≤ | GB/T 10295-1988 | ISO 8301:1991(E) | 0.023 |
Compressive strength ≥ | GB/T 8813-2008 | ISO 844:1978 | 200 |
Dimensional stability (%) | GB/T 8811-2008 | ISO 2796:1980 | 2 |
Self extinguishing to (DIN-4102) | Classification-B1 |