CPT C-Flex® R70-050 Clear Biocompatible TPE

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USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

CPT C-Flex® R70-050 Clear Biocompatible TPE
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber
Material Notes:	C-Flex® is a family of patented thermoplastic elastomers which range in hardness from 5 shore A to 95 shore A. C-Flex® TPE's are biocompatible polymer blends which meet or exceed the current United States Pharmacopoeia Class VI test requirements. C-Flex® does not contain latex rubber, polyvinyl chloride, silicone rubber, or polyurethane. Information provided by Consolidated Polymer Technologies.
Key Words:	SEBS
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Physical Properties	Metric	English	Comments

Specific Gravity	0.900 g/cc	0.900 g/cc	ASTM D 792
Linear Mold Shrinkage	0.018 - 0.020 cm/cm	0.018 - 0.020 in/in
Melt Flow	0.42 g/10 min	0.42 g/10 min	Condition E; ASTM D 1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	48	48	1 sec.; ASTM D 2240
Tensile Strength at Break	7.901 MPa	1146 psi	ASTM D 412
Elongation at Break	828 %	828 %	ASTM D 412
100% Modulus	1.17 MPa @Strain 100 %	170 psi @Strain 100 %	ASTM D 412
300% Modulus	2.00 MPa @Strain 300 %	290 psi @Strain 300 %	ASTM D 412
Tear Strength	17.5 kN/m	100 pli	Notched, Die B; ASTM D 624
	21.0 kN/m	120 pli	Die C; ASTM D 624
Taber Abrasion, mg/1000 Cycles	101	101	Federal Test Method Standard, 405
Compression Set	18 % @Temperature 23.0 °C	18 % @Temperature 73.4 °F	ASTM D 412
	53 % @Temperature 70.0 °C	53 % @Temperature 158 °F	ASTM D 412
Tensile Set	20 %	20 %	at 300% elongation; ASTM D 412
	73 %	73 %	at break; ASTM D 412

Thermal Properties	Metric	English	Comments
Brittleness Temperature	-66.1 °C	-87.0 °F	ASTM D 746

Optical Properties	Metric	English	Comments
Haze	33 %	33 %	ASTM D 1033A
Transmission, Visible	89 %	89 %	ASTM D 1033A

Processing Properties	Metric	English	Comments
Processing Temperature	163 - 204 °C	325 - 400 °F	Extrusion Temperature
Middle Barrel Temperature	149 - 218 °C	300 - 425 °F	Injection molding cylinder temperature
Drying Temperature	65.6 - 93.3 °C	150 - 200 °F	Desiccant type
Injection Pressure	2.07 - 6.89 MPa	300 - 1000 psi

Compliance Properties	Metric	English	Comments
USP Class VI	Yes	Yes

Descriptive Properties
Sterilization methods:	Steam/Autoclave, Cobalt 60, Ethylene Oxide

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCPT14 / 29109

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