Chevron Phillips K-Resin® KK38 Styrene-Butadiene Copolymer, Sheet Grade

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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.

Chevron Phillips K-Resin® KK38 Styrene-Butadiene Copolymer, Sheet Grade (discontinued **)
Categories:	Polymer; Thermoplastic; Styrene-Butadiene; Styrene-Butadiene Copolymer, SBC
Material Notes:	KK38 is an improved extrusion grade SBC designed specifically for superior performance in blends with general purpose polystyrene. It is easily processed by extrusion and gives thermoformed parts with excellent detail on fast production cycles. Thermoformed parts have greater polystyrene acceptance with equivalent processability, very good clarity, excellent toughness, and good stiffness. Applications: Major applications include thermoformed blister packs, cups and lids, and portion packages. Processing Recommendations: Melt Temperature: 216°C maximum. High shear and restrictive type screws tend to degrade the melt. Generally no need to dry resin. Specification Data: When combined with at least 17% food grade polystyrene to produce articles for food contact, KK38 complies with FDA Regulation 21 CFR 177.1640. EEC Directive 90/128/EEC and all its amendments. USP Class VI-50. UL94HB. 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:

Available Properties

Density, ASTM D792
Melt Flow, ASTM D1238
Hardness, Shore D, ASTM D2240
Tensile Strength, Yield, Type 1 @ 2 in/min; ASTM D638
Elongation at Break, Type 1 @ 2 in/min; ASTM D638
Flexural Yield Strength, ASTM D790
Flexural Modulus, ASTM D790
Izod Impact, Notched, ASTM D256
Impact Test, ASTM D3763, Instrumented Total Energy; @ 150 in/sec impact rate
Deflection Temperature at 1.8 MPa (264 psi), ASTM D648
Vicat Softening Point, ASTM D1525
Flammability, UL94
Transmission, Visible, ASTM D1003
Processing Temperature
FDA
USP Class VI

Property Data

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Manufacturer Notes:
Chevron Phillips Chemical Company LP; ChevronPhillips

Category Notes
Plastic

**
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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.

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