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Chevron Phillips K-Resin® XK40 Styrene-Butadiene Copolymer, Sheet Grade

 

Subcategory: Styrene-Butadiene; Thermoplastic

Key Words: SBC Poly(Styrene Butadiene)

Material Notes:
Styrene-Butadiene Copolymer

Customer Benefits: XK40 is an extrusion grade SBC designed specifically for superior performance in blends with general purpose polystyrene. Compared to KK38, KX40 offers greater polystyrene acceptance and better clarity.

Applications: Major applications include thermoformed blister packs, cups and lids, and portion packages.

Processing Recommendations:
Extrusion: Melt Temperature, 218°C maximum. High shear and restrictive type screws tend to degrade the melt. 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.

Available Properties
  • Density
  • Melt Flow
  • Hardness, Shore D
  • Tensile Strength, Yield
  • Elongation at Break
  • Flexural Modulus
  • Flexural Yield Strength
  • Izod Impact, Notched
  • Impact Test
  • Deflection Temperature at 1.8 MPa (264 psi)
  • Transmission, Visible
  • Processing Temperature
  
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