K-Resin KR40
K-Resin® KR40 is an improved extrusion grade SBC designed specifically for superior performance in blends with general purpose polystyrene. K-Resin® KR40 offers excellent toughness and ductility.
Key Features
- Greater Polystyrene Acceptance
- Combines Clarity and Toughness
- Good Formability
- High Surface Gloss
Applications
- Baby Food Containers
- Yogurt Cups
- Rigid Daily Food Packaging
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Grade Version
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Properties
Properties of K-Resin KR40
Property, Test Condition Standard Unit Values Rheological Properties Melt Volume Rate, 200 °C/5 kg ISO 1133 cm³/10 min 10 Mechanical Properties Izod Notched Impact Strength, 23 °C ISO 180/A kJ/m² 6,5 Charpy Notched Impact Strength, 23° C ISO 179/1eA kJ/m² 8 Charpy Unnotched, 23 °C ISO 179/1eU kJ/m² No Break Tensile Stress at Yield, 23 °C ISO 527 MPa 15 Tensile Stress at Break, 23 °C ISO 527 MPa 20 Tensile Strain at Break, 23 °C ISO 527 % 320 Tensile Modulus ISO 527 MPa 650 Flexural Strength, 23 °C ISO 178 MPa 17 Flexural Modulus, 23 °C ISO 178 MPa 650 Hardness, Shore D ISO 868 - 60 Thermal Properties Heat Deflection Temperature A; (annealed 4 h/80 °C; 1.8 MPa) ISO 75 °C 46 Heat Deflection Temperature B; (annealed 4 h/80 °C; 0.45 MPa) ISO 75 °C 56 Optical Properties Light Transmission at 550 nm ASTM D 1003 % 90 Haze ASTM D 1003 % < 2,5 Other Properties Density ISO 1183 kg/m³ 1010 Moisture Absorption, Equilibrium 23 °C/50% RH ISO 62 % 0,07 Processing Linear Mold Shrinkage ISO 294-4 % 0,3 - 1 Melt Temperature Range ISO 294 °C 180 - 220 Mold Temperature Range ISO 294 °C 30 - 50 Typical values for uncolored products
Please note that all processing data stated are only indicative and may vary depending on the individual processing complexities.
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Processing
Processing of K-Resin KR40
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Safety Data Sheet