Vietnam Journal of Chemistry - Wiley
flame retardant polyurethane foam. 2. MATERIALS AND METHODS 001 2.1. Materials PUF was prepared from two components. Component I includes SR650 polyol system with viscosity 1500 ± 300 cps (25 oC) and flame retardants. SR650 system contains polyether polyols, silicone, surfactant, catalyst, blowing agent (Cyclo pentane) (SyncoPol, Thailand).
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