Blend Polyol And Isocyanate Industrial Polyurethane Foam Raw Material For K

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

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