CPT C-Flex® R70-085 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® R70-085 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	10.5 g/10 min	10.5 g/10 min	Condition S; ASTM D 1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	51	51	1 sec.; ASTM D 2240
Tensile Strength at Break	7.805 MPa	1132 psi	ASTM D 412
Elongation at Break	783 %	783 %	ASTM D 412
100% Modulus	1.38 MPa @Strain 100 %	200 psi @Strain 100 %	ASTM D 412
300% Modulus	2.41 MPa @Strain 300 %	350 psi @Strain 300 %	ASTM D 412
Tear Strength	21.7 kN/m	124 pli	Notched, Die B; ASTM D 624
	25.1 kN/m	143 pli	Die C; ASTM D 624
Taber Abrasion, mg/1000 Cycles	241	241	Federal Test Method Standard, 405
Compression Set	17 % @Temperature 23.0 °C	17 % @Temperature 73.4 °F	ASTM D 412
	49 % @Temperature 70.0 °C	49 % @Temperature 158 °F	ASTM D 412
Tensile Set	21 %	21 %	at 300% elongation; ASTM D 412
	50 %	50 %	at break; ASTM D 412

Thermal Properties	Metric	English	Comments
Brittleness Temperature	<= -62.2 °C	<= -80.0 °F	ASTM D 746

Optical Properties	Metric	English	Comments
Haze	77 %	77 %	ASTM D 1033A
Transmission, Visible	80 %	80 %	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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PCPT15 / 29110

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