application
middle and high density soft block polyurethane foam for packing and cushion materials.
feature
1. less activity than dep-5631d and not fit for low density form. when be used in wide middle and high density foam, it is easier for users to adjust the formula. 2. with low unsaturated value and average functionality over 2.9, the foam made by it has higher tensile strength, indentation hardness and less permanent deformation than traditional soft foam. 3. has bht as antioxidant.
performance
hydroxylvalue(mgkoh/g)54.5-57.5 acid value(mgkoh/g)≤ 0.05 water content(%)≤ 0.05 ph(ph)5.0-7.0 unsaturatedvalue (mol/kg)≤ 0.01 viscosity （mpa·s/25℃）400-700 colourity（apha）≤20 functionality 3 molecular weight 3000
files