Medim-hardness polyester

Specifications Good handle, smooth suiface and sole's treatment resistance.

Application: sole for casual shoes,sports shoe and man shoes.

Typical properties of PU matrix

Name of product	Apperance	Viscosity(mPa·/40°C)	Density(g·cm/40°C)	Package(kg)
A-8170	liquid	1000-1400	1.01-1.02	18
B-8290	Yellowish Transparent Liquid or Waxy	600-800	1.08-1.2	20

  Material preheat A-8170     Preheated at 50-60°C for 6-8 hours B-8290     Preheated at 50-60°C for 8-12 hours   Typical processing parameters & Reaction parameter

Items	A/B Materials Temperature(°C)	A+C/B Mix ratio (by weight)	Cream Time (s)	End of rise time(s)	Free rise foam density(g/cm³)	Mold temperature(°C)	Demold time(min)
Parameter	40-45/38-42	100/101-102	8-10	60-70	0.24-0.26	45-55	5-7

  The adding content of C-2 should be 250g±20/18kg The adding content of water should be 0-40g/18kg according to the reality The adding content of hardener should be 0-400g/18kg according to the reality   Physical properties

Items	Molded Density(g/cm³)	Hardness(shore A)	Tensile strength(Mpa)	Elongation(%)	Tear Strength(kN/m)	Flexing resistance (Break length,4mm) Room temperature
Physical properties	0.50-0.70	55-68	7.5-9.0	340-450	24-33	40,000times no increasing

  Demold time may be prolonged with the increase of sole thickness. These physical date are acquired by testing a sample of 6mm thick. Data listed above are just for reference, The detail date are subjected to practical production, If other request for Physical properties, please contact us.