Rogers Corporation R/bak® U Unsupported Cushion Mounting Material

Category	Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane Foam, Unreinforced
Manufacturer	Rogers Corporation
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Rogers Corporation R/bak® U Unsupported Cushion Mounting Material.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

R/bak materials are high-density, open cell, polyurethane foams used to build thickness on the cylinder, provide cushioning and absorb vibration in the Flexographic printing process. The use of R/bak cushioning materials results in uniform quality printing over long run conditions. R/bak materials are available in a variety of length and thickness confiations.R/bak U material is designed without a polyester support layer, and is recommended for cylinder build-up and spot cushioning.Information provided by Rogers Corporation.

Physical Properties	Metric	English	Comments
Density	0.320 g/cc	0.0116 lb/in³	ASTM D3574-95 Test A
Water Absorption	2.0 %	2.0 %	AMS 3568
	5.0 %	5.0 %	ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	16	16	ASTM D2240
Hardness, Shore O	24	24	ASTM D2240
Tensile Strength	>= 0.827 MPa	>= 120 psi	ASTM D3573 Test E
Elongation at Break	>= 100 %	>= 100 %	ASTM D3573 Test E
Compressive Yield Strength	0.124 MPa @Strain 25.0 %	18.0 psi @Strain 25.0 %
Tear Strength	>= 1.80 kN/m	>= 10.3 pli	ASTM D624, Die C
Compression Set	<= 1.3 % @Temperature 23.0 °C	<= 1.3 % @Temperature 73.4 °F	ASTM D1667
	<= 3.3 % @Temperature 70.0 °C	<= 3.3 % @Temperature 158 °F	ASTM D3574

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