PUR-MDI 728 IBS (40 pcf) Covestro - Polycarbonates

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Technical Data Sheet

physical property	Test Condition	Test Method	Test Result
Shrinkage rate		ASTM D955	0.70to0.90 %

flammability	Test Condition	Test Method	Test Result
UL flame retardant rating		UL 94	V-0

Mechanical properties	Test Method	Test Result
tensile strength	ASTM D638	16.5 MPa
elongation	ASTM D638	9.0 %
Flexural modulus	ASTM D790	931 MPa
bending strength	ASTM D790	31.0 MPa

Impact resistance	Test Method	Test Result
Impact strength of simply supported beam without notch	内部方法	13 kJ/m²
Impact strength of cantilever beam gap	ASTM D256	16 J/m
Suspended wall beam without notch impact strength	ASTM D256	110 J/m

Thermal performance	Test Condition	Test Method	Test Result
Heat distortion temperature		ASTM D648	76.0 °C
Linear coefficient of thermal expansion		ASTM D696	1E-04 cm/cm/°C

IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.

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