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USP Class VI Adhesives
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.

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CPT C-Flex® R70-051 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 PropertiesOriginal ValueComments
Specific Gravity 0.900 g/ccASTM D 792
Linear Mold Shrinkage 0.018 - 0.020 cm/cm
Melt Flow 5.9 g/10 minCondition E; ASTM D 1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 751 sec.; ASTM D 2240
Tensile Strength at Break 1058 psiASTM D 412
Elongation at Break 609 %ASTM D 412
100% Modulus 0.370 ksi
@Strain 100 %
ASTM D 412
300% Modulus 0.570 ksi
@Strain 300 %
ASTM D 412
Tear Strength 130 pliDie C; ASTM D 624
 150 pliNotched, Die B; ASTM D 624
Taber Abrasion, mg/1000 Cycles 7.6Federal Test Method Standard, 405
Compression Set 28 %
@Temperature 23.0 °C
ASTM D 412
 59 %
@Temperature 70.0 °C
ASTM D 412
Tensile Set 37 %at 300% elongation; ASTM D 412
 123 %at break; ASTM D 412
 
Thermal PropertiesOriginal ValueComments
Brittleness Temperature -82.0 °FASTM D 746
 
Optical PropertiesOriginal ValueComments
Haze 59 %ASTM D 1033A
Transmission, Visible 88 %ASTM D 1033A
 
Processing PropertiesOriginal ValueComments
Processing Temperature 325 - 400 °FExtrusion Temperature
Middle Barrel Temperature 300 - 425 °FInjection molding cylinder temperature
Drying Temperature 150 - 200 °FDesiccant type
Injection Pressure 300 - 1000 psi
 
Compliance PropertiesOriginal ValueComments
USP Class VI Yes
 
Descriptive Properties
Sterilization methods:Steam/Autoclave, Cobalt 60, Ethylene Oxide

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PCPT17 / 29112

USP Class VI adhesives

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