Hapco Hapflex 1021-5 Urethane Elastomers

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Hapco Hapflex 1021-5 Urethane Elastomers
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Hapflex 1000 Series products are soft, Shore A elastomers. These colorless resins take pigments very well and are available in a 25, 35 and 55A hardness. This series is commonly used for moldmaking, prototype parts, gaskets, and vibration dampeners. Information provided by Hapco, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.15 g/cc	1.15 g/cc	ASTM D-4669
Viscosity	2500 cP	2500 cP	ASTM D-4878
Linear Mold Shrinkage	0.0020 - 0.0040 cm/cm	0.0020 - 0.0040 in/in	ASTM D-2566

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	25	25	ASTM D-2240
Tensile Strength	2.07 MPa	300 psi	ASTM D-638
Elongation at Break	>= 1200 %	>= 1200 %	ASTM D-638
Tear Strength	11.4 kN/m	65.0 pli	ASTM 624 Die C

Processing Properties	Metric	English	Comments
Cure Time	120 - 240 min @Thickness 3.17 mm	2.00 - 4.00 hour @Thickness 0.125 in	Demold
Gel Time	5.00 min @Load 0.100 kg	5.00 min @Load 0.221 lb	ASTM D-2971

Descriptive Properties
Color (cured)	clear / translucent
Mix Ratio	100:200		Volume
	100:200		Weight

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PHAPCO138 / 317197

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