Blend Polyol And Isocyanate Industrial Polyurethane Foam Raw Material For Knee Protetive Pad Foam

Blend Polyol and Isocynate for the knee protetive pad foam JYP-A / JYP-B is two component material which is used to make the knee protective pad foam and other soft pad.  JYP-A is a blend Polyol which is combined by the polyether Polyol, Polymer polyol and some special slow rebound Polyether Polyol, cross-link agent, foaming agent and composite catalyst etc. JYP-B is isocyaanate MDI which is combined by MDI, modified MDI etc. This kind of material has an excellent liquidity and slow memory result.   JYP-A JYP-B Appearance Milky white viscous liquid Brown liquid NCO % / 26.0±1 Viscosity (25℃) mpa.s 800±200 100±15 Density (20℃) g/ml 1.05±0.05 1.2±0.05 Storage temperature ℃ 15－25 15－25 Shelf life Months 6 6   By manual By machine JYP—A/B Ratio(weight) 100/40-45 100/40-45 Cream time s 8— 10 7—9 Gel time s 20—25 25—30 Mould temperature ℃ 40—50 40—50 Mould release time min 7-8 7-8 Mouled density kg/m3 300-350 300-350 FRD kg/m3 180—220 150—200