Taiwan PU CPU - 167L PTMEG TDI Polyurethane Prepolymer

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Taiwan PU CPU - 167L PTMEG TDI Polyurethane Prepolymer
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Key features: Hardness: 80-95A, 70D Curing agent: MOCA Hot cast polyurethane elastomer High tensile strength Good hydrolysis resistance Good mechanical property Application: The polyurethane prepolymer is suitable to be used on the following applications: Bushes, Castor Wheels, Couplings, Conveyor Rollers, Cutting Boards, Fork-lift Tyres, Gears, Grading Screens, Pneumatic and Oil Seals, Scrapers, Skate Wheels, Wire Guides. Introduction: "PU Casting Elastomer" urethane elastomer is polyurethane prepolymer. It can be cured by reacting with a polyamine or a polyol hardener. The molding process is composed of pre-heating, degassing, mixing with a hardener, pouring into the mold, curing, demolding and post curing. Information provided by Taiwan PU Corporation
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Physical Properties	Original Value	Comments

Viscosity	5000 - 15000 cP

Mechanical Properties	Original Value	Comments
Hardness, Shore A	92 - 98
Tensile Strength	350 - 500 kg(f)/cm²
Elongation at Break	350 - 450 %
Tear Strength	120 - 160 kg(f)/cm

Thermal Properties	Original Value	Comments
Working Point	70.0 - 80.0 °C	Prepolymer

Processing Properties	Original Value	Comments
Mold Temperature	70.0 - 90.0 °C
Pot Life	4.00 - 6.00 min

Descriptive Properties
Composition	18.12-19.33%	PHR of MOCA
	6.0-6.6%	NCO Content
Temperature	100-120	MOCA

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PTAIWPU002 / 305732

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