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Product Description

Typical properties of PU resin

Name of products	Appearance	Density(g/cm3@40oC)	Viscosity(mPa·s@40oC)	PackageSize(kg/drum)
HD-4260（POL, A）	CreamLiquid	1.13~1.18	800~1300	18 / 220
HD-2040B（ISO, B）	Liquid	1.18~1.20	200~300	20 / 235

Processing

Please preheat materials at 60~70℃for 6~10 hours before processing. Then mix fully the whole drum of POL and other additivesaccording to the following table. Finally, respectively transfer POL and ISO to their corresponding tanks.

HD-4260 (POL, A)	Hardener/g	water/g	catalyst/g	other
18 kg（one drum）	0	65~70	260	It depends
220 kg（onedrum）	0	800~860	3200	It depends

Reactivity and product performance

Test Items	Reactivity parameters	Test Items	Product performance
Ratio of (A+C) and B material	100/98~100	Moulding density(g/cm3)	0.35~0.40
Material temperature (oC)	40~45/38~42	Hardness（23℃）	65C~75C 50A~60A
Cream time (s)	4~6	Tensile strength（MPa）	≥4
End of rise time (s)	15~25	Elongation（%）	≥350
Free rise density (g/cm3)	0.20~0.25	Tear strength（kN/m）	≥13
Metal mold temperature (oC)	45~55	Flexing resistance（23℃）	40,000 times no crack
Demould time(min)	2.5~3	DIN abrasion resistance(mm3)	≤550

The ratio based on the best value varies with the type and quantity of added paint additives.
The free rise foam density varies with the seasonal variation (temperature, humidity)
Data listed above are just for reference. The detailed data are subjected to practical operation. Please contact us if otherphysical properties are essential.

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