Evoprene™ COGEE 682

Category: SEBS , Styrene Ethylene Butylene Styrene Block Copolymer
Manufacturer: AlphaGary
Trademark: Evoprene™ COGEE
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: dKHddN_Evoprene-COGEE-682.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
The Evoprene COGEE range was specially developed to provide materials which will comould or coextrude to engineering thermoplastics (ETPs). This enables, for example, polyamide (nylon) handles or ABS housings to be given a solt touch feel whilst polycarbonate lenses can have gaskets moulded on to provide a weathertight product.

The Evoprene COGEE grades are modified Kraton G based compounds. Many of the characteristics exhibited by the Evoprene G and Evoprene Super G ranges are shown by Evoprene COGEE compounds. However, they do have to be processed quite differently to obtain optimum bond strengths and performance characteristics.
General Information
Features
  • Food Contact Acceptable
  • Good Weather Resistance
  • Ozone Resistant
Uses
  • Soft Touch Applications
Processing Method
  • Coextrusion
  • Extrusion
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Density 0.950g/cm³ISO 2781
HardnessNominal ValueUnitTest Method
Shore Hardness (Shore A)50ISO 868
ElastomersNominal ValueUnitTest Method
Tensile Stress ISO 37
    100% Strain 2.70MPa
    300% Strain 5.50MPa
Tensile Stress (Yield)11.0MPaISO 37
Tensile Elongation (Break)540%ISO 37
Tear Strength 122kN/mISO 34-1
Compression Set ISO 815
    23°C, 72 hr 25%
    70°C, 22 hr 76%
    100°C, 22 hr 87%
ThermalNominal ValueUnit
Service Temperature -30 to 100°C
Additional InformationNominal ValueUnitTest Method
Bond Strength 1.00MPaInternal Method
M-S Flow 2.55MPaInternal Method
Ozone Resistance 2(35°C)No CracksISO 1431-1
UV Rating 3(40°C)No Visible Cracks or Crazing
InjectionNominal ValueUnit
Suggested Max Regrind 20%
Rear Temperature 250 to 270°C
Middle Temperature 250 to 270°C
Front Temperature 250 to 270°C
Nozzle Temperature 250 to 270°C
Processing (Melt) Temp 190 to 220°C
Mold Temperature 30.0 to 60.0°C
Injection Rate Fast
Vent Depth 0.020 to 0.050mm
Note Message
1 .Method Ba, Angle (Unnicked)
2 .100 pphm/200 hrs/20% Strain
3 .350 hrs
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