Covestro Baydur® 646 Polyurethane Structural Foam RIM, Density 20 pcf, MDI-based 2-Component Liquid System

Category	Other Engineering Material , Composite Core Material , Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane Foam, Unreinforced
Manufacturer	Covestro
Trade Name	Baydur®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Covestro Baydur® 646 Polyurethane Structural Foam RIM, Density 20 pcf, MDI-based 2-Component Liquid System.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

0.25 in. thickness. RIM = Reaction Injection MoldingInformation provided by Bayer Corporation, Polyurethanes DivisionAs of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

Physical Properties	Metric	English	Comments
Density	0.320 g/cc	0.0116 lb/in³	ASTM D792
Apparent Bulk Density	0.320 g/cc	0.0116 lb/in³	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	37	37	ASTM D2240
Tensile Strength, Ultimate	6.10 MPa	885 psi	ASTM D638/D412
Elongation at Break	7.0 %	7.0 %	ASTM D638/D412
Flexural Yield Strength	8.30 MPa	1200 psi	ASTM D790
Flexural Modulus	0.310 GPa	45.0 ksi	ASTM D790
Compressive Yield Strength	6.10 MPa	885 psi	ASTM D395
Charpy Impact, Notched	0.520 J/cm²	2.47 ft-lb/in²	Bayer Test

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