Precision Polymer Engineering Q50Y Polyurethane Rubber

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Precision Polymer Engineering Q50Y Polyurethane Rubber
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Yellow/Green Polyurethane Rubber, 50-60 °IRHD. ASTM & ISO designation = AU. Applications: Good abrasion resistance and tensile strength, with fluid compatibility approaching that of NBR. Polyurethane seals provide outstanding performance in hydraulic systems which are prone to abrasive contamination and high shock loads. Good resistance to weathering and ozone but poor against water and high temperature. Good radiation resistance.
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Physical Properties	Metric	English	Comments

Density	1.22 g/cc	0.0441 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	56	56	°IRHD; ASTM D1415
	66	66	°IRHD, +10 change after 70 hours @ 100°C; ASTM D1415
Tensile Strength, Yield	13.5 MPa	1960 psi	-25% change after 70 hours @ 100°C; ASTM D412
	18.0 MPa	2610 psi	ASTM D412
Elongation at Break	390 %	390 %	-40% change after 70 hours @ 100°C; ASTM D412
	650 %	650 %	ASTM D412
Compression Set	28 % @Temperature 100 °C, Time 252000 sec	28 % @Temperature 212 °F, Time 70.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	100 °C	212 °F
Minimum Service Temperature, Air	-35.0 °C	-31.0 °F	Non-brittle after 3 minutes
	-30.0 °C	-22.0 °F
Flash Point	>= 204 °C	>= 399 °F

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PPRECI215 / 57939

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