Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow AFFINITY™ GA 1000R Impact Modifier

AFFINITY™ GA 1000R is a maleic anhydride-grafted functionalized polyolefin elastomer, featuring high grafting level and low volatile matter. It enhances compatibility and adhesion in polymer blends, and complies with EU and U.S. FDA food contact standards for high-purity applications.


Features Of Dow AFFINITY™ GA 1000R  Impact Modifier

  1. High maleic anhydride grafting level, significantly improving compatibility and interfacial adhesion between polymers of different polarities

  2. Ultra-low volatile matter (<0.15%) and excellent odor control, meeting food contact and high-purity industry requirements

  3. High flexibility and elastic recovery, enhancing impact resistance and fatigue resistance of blended materials

  4. Wide temperature tolerance, maintaining stable mechanical properties between -58°C and 68°C

  5. Compliant with EU No 10/2011 and U.S. FDA 21 CFR 175.105 food contact standards for safety and regulatory compliance

Typical Applications Of Dow AFFINITY™ GA 1000R  Impact Modifier

  1. Polymer compatibilizer: Improves compatibility and mechanical properties of PA/PE, PP/PA, and other immiscible polymer blends

  2. Adhesives & hot melts: Enhances adhesion and weather resistance between substrates in composite packaging and automotive interiors

  3. Engineering plastic modification: Boosts low-temperature toughness and impact resistance of PP/PE for appliance housings and automotive parts

  4. Food contact products: Serves as an adhesive layer in multi-layer packaging, ensuring interface strength and food safety compliance

  5. Wire & cable: Modifies adhesion between shielding and insulation layers to improve interlayer bonding and aging resistance

Specifications Of Dow AFFINITY™ GA 1000R  Impact Modifier

PropertyNominal Value (SI / English)
Physical
Gardner Color<5.00
MAH Graft LevelHigh
Volatile Matter<0.15 %
Mechanical
Tensile Strength (Break)1.87 MPa / 27 psi
Tensile Elongation (Break)170 %
Thermal
Glass Transition Temperature-58.0 °C / -72.4 °F
Melting Temperature (DSC)68.0 °C / 154 °F
Fill Analysis
Brookfield Viscosity (177°C)13.0 Pa·s
Additional
Melt Flow Rate (190°C/2.16 kg)5.0 g/10 min
Density0.885 g/cm³


































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