Vamac® HVG

Category: AEM , Ethylene Acrylic Elastomer
Manufacturer: DuPont Performance Elastomers
Trademark: Vamac®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: E1tHyz_Vamac-HVG.pdf
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Message
DuPont™ Vamac® HVG is an unfilled gum ethylene/acrylic elastomer similar to Vamac® G, but offering higher compound viscosity. The higher viscosity of compounds made with Vamac® HVG results in improved green strength and related processing advantages, such as:
  • Improved collapse resistance of extrudates;
  • Enhanced preform dimensional stability; and
  • Improved moldability through elimination of trapped air.
Compounds of Vamac® HVG are often selected for applications such as compression molded goods, highly plasticized compounds, and extruded tubing and hose.

Vamac® HVG contains a small amount of processing aid and has a nominal specific gravity of 1.04. It has a mild acrylic odor.
General Information
Additive
  • Processing Aid
Features
  • Good Dimensional Stability
  • Good Moldability
  • Good Strength
  • High Viscosity
Appearance
  • Clear/Transparent
Forms
  • Bale
Processing Method
  • Compression Molding
  • Extrusion
PhysicalNominal ValueUnitTest Method
Mooney Viscosity ASTM D1646
    121°C 23 to 26MU
    ML 1+4, 100°C 26 55 to 57MU
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)63 to 64ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress (100% Strain)6.00MPaASTM D412
Tensile Strength (Yield)16.0 to 16.4MPaASTM D412
Tensile Elongation (Break)260 to 280%ASTM D412
Compression Set (150°C, 70 hr)16%ASTM D395
Additional InformationNominal ValueUnitTest Method
MDR 1ASTM D5289
    MH : 177°C 2.56 to 2.58 J 25.8 to 25.9 dNm
    ML : 177°C 1.10 to 1.30 dNm 0.113 to 0.124 J
    T50 : 177°C 2.2 to 2.3min
    T90 : 177°C 7.0 to 9.7min
    Ts2 : 177°C 0.8min
Mooney Scorch ASTM D1646
    t10 : 121°C 8.3 to 10.5min
    t18 : 121°C 15.6 to 17.6min
Volatiles < 0.4wt%Internal Method
Note Message
1 .1° arc
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