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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.

Chevron Phillips K-Resin® BK13 Styrene-Butadiene Copolymer, Injection Molding Grade  (discontinued **)
Categories: Polymer; Thermoplastic; Styrene-Butadiene; Styrene-Butadiene Copolymer, SBC
Material Notes: Styrene-Butadiene Copolymer

BK13 is an SBC developed specifically to have enhanced flow capabilities and improved stiffness over the KR01 grade. BK13 molded parts give excellent detail on rapid production cycles, and are easily processed by injection molding. This resin can be tinted or colored in a variety of transparent and opaque shades.

Applications: Major applications include displays, medical devices, overcaps, housings, and toys.

Processing Recommendations:
Injection Molding: Minimum melt temperature between 193-232°C necessary to permit mold fill. Minimum injection pressure required to fill the cavity. Maximum back pressure of 0.3 MPa. Drying: Generally, no need to dry resin.

Specification Data: FDA Regulation 21 CFR 177.1640; suitable for food contact. EEC Directive 90/128/EEC and all its amendments. USP Class VI-50.

Data provided by Chevron Phillips Chemical Company LP.

Ineos Styrolution acquired the K-Resin® product line from Chevron Phillips Chemical Company in 2016. This grade was previously discontinued.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.02 g/cc0.0368 lb/in³ASTM D792
Melt Flow 15 g/10 min
@Load 5.00 kg,
Temperature 200 °C		15 g/10 min
@Load 11.0 lb,
Temperature 392 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 7676ASTM D2240
Tensile Strength, Yield 39.0 MPa5660 psi2 in per min; ASTM D638; Test specimens were injection molded by ASTM D1897.
Elongation at Break 5.0 %5.0 %2 in per min; ASTM D638; Test specimens were injection molded by ASTM D1897.
Flexural Yield Strength 69.0 MPa10000 psiTest specimens were injection molded by ASTM D1897; ASTM D790
Flexural Modulus 2.158 GPa313.0 ksiTest specimens were injection molded by ASTM D1897; ASTM D790
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 66.0 °C151 °FASTM D648
Vicat Softening Point 89.0 °C192 °FASTM D1525
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 93 %93 %ASTM D1003
 
Processing PropertiesMetricEnglishComments
Melt Temperature 193 - 232 °C379 - 450 °FInjection
 
Compliance PropertiesMetricEnglishComments
FDA YesYesSee notes for details.
USP Class VI YesYes

**
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PCHEVK15 / 20276

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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