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Chevron Phillips K-Resin® KR03 Styrene-Butadiene Copolymer, Sheet Grade

Category Polymer , Thermoplastic , Styrene-Butadiene , Styrene-Butadiene Copolymer, SBC
Manufacturer Chevron Phillips Chemical Company LP
Trade Name K-Resin®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Chevron Phillips K-Resin® KR03 Styrene-Butadiene Copolymer, Sheet Grade.pdf
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Material Notes:
Styrene-Butadiene CopolymerCustomer Benefits: This SBC is easily processed by injection molding or sheet extrusion and molded parts give excellent part detail on fast production cycles. It can be tinted or colored in a verity of transparent and opaque shades. Molded parts have excellent clarity, good toughness, excellent rigidity, high surface gloss. KR03NW is the no was for of KR03 to facilitate printing.Applications: Molded applications include molded boxes and containers, toys, displays, medical devices, overcaps, and novelties. Formed applications include portion packages and blister packaging.Processing Recommendations:Injection Molding: Melt Temperature: 232°C maximum. Mold temperature, 49°C maximum. Screw plasticizing type injection molder more desirable than plunger type molder. Generally no need to dry resin. Sheet Extrusion: Melt Temperature, 218°C maximum. High shear stress 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. UL 94HB.Data provided by Chevron Phillips Chemical Company LP.
Physical Properties Metric English Comments
Density 1.01 g/cc
0.0365 lb/in³
ASTM D792
Water Absorption 0.090 %
0.090 %
ASTM D570
Melt Flow 7.5 g/10 min

@Load 5.00 kg,
Temperature 200 °C
7.5 g/10 min

@Load 11.0 lb,
Temperature 392 °F
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Shore D 65
65
ASTM D2240
Tensile Strength, Yield 26.0 MPa
3770 psi
Type 1 @ 2 in/min; ASTM D638
Elongation at Break 160 %
160 %
Type 1 @ 2 in/min; ASTM D638
Flexural Yield Strength 34.0 MPa
4930 psi
ASTM D790
Flexural Modulus 1.413 GPa
204.9 ksi
ASTM D790
Izod Impact, Notched 0.410 J/cm

@Thickness 3.17 mm
0.768 ft-lb/in

@Thickness 0.125 in
ASTM D256
Impact Test 29.7 J

@Thickness 3.17 mm
21.9 ft-lb

@Thickness 0.125 in
Instrumented Total Energy; @ 150 in/sec impact rate; ASTM D3763
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 73.0 °C
163 °F
ASTM D648
Vicat Softening Point 87.0 °C
189 °F
ASTM D1525
Flammability, UL94 HB
HB
Optical Properties Metric English Comments
Transmission, Visible 90 %
90 %
ASTM D1003
Processing Properties Metric English Comments
Processing Temperature <= 232 °C
<= 450 °F
injection molding
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