Inov Chem EXD-3270A/EXD-3119B Inner soles, PU Safety Shoe Sole System

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Inov Chem EXD-3270A/EXD-3119B Inner soles, PU Safety Shoe Sole System
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane TPE
Material Notes:	Introduction: PU Safety shoe-sole system is used to make safety shoe outsoles and inner soles. It is polyester-based PU system material, consist of four components, polyol, ISO, hardner and catalyst. The processing of the system is two components. The catalyst, harder, blowing agent and pigment should be mixed thoroughly with the polyol component EXD-3270A, then mix with ISO component EXD-3119B for making final wares. Information provided by Shandong INOV Polyurethane Co., Ltd.
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Physical Properties	Original Value	Comments

Specific Gravity	0.350 - 0.400 g/cc	Free rise foam density
	0.500 - 0.550 g/cc	Product density

Mechanical Properties	Original Value	Comments
Hardness, Shore A	55 - 65
Tensile Strength	>= 6.00 MPa
Elongation at Break	>= 550 %
Tear Strength	>= 22.0 kN/m

Processing Properties	Original Value	Comments
Mold Temperature	45.0 - 55.0 °C
Cure Time	30.0 - 50.0 sec	Tack free time

Descriptive Properties
Demolding Time	3 min
Material temperature	45~50°C
Ratio	100:85-88	EXD-3270A:EXD-3119B
Rise time	5-7 sec
Ross flexing	50,000 times no crack	room temperature

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PINOVCHM231 / 312760

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