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

DuPont Elvaloy PTW Impact modifier_copy20260115180523

DuPont Elvaloy PTW is an ethylene terpolymer modifier, mainly for toughening. It improves impact resistance of various polymers, especially effective for PET modification. In CPET tray formulations, it simultaneously enhances toughness and melt strength, suitable for standard extrusion processes.

Features Of DuPont Elvaloy PTW Impact modifier

  1. Dual functions of toughening and melt strength enhancement, with targeted effect on PET modification.

  2. Functionalized polymer with excellent compatibility and dispersion in various matrices.

  3. High process adaptability, suitable for efficient compounding via single/twin-screw extruders.

  4. No pre-drying required, simplifying production process and reducing processing costs.

  5. Suitable for food contact product modification, subject to local relevant regulations.

Typical Applications Of DuPont Elvaloy PTW Impact modifier

  1. Used in CPET tray formulations to enhance both toughness and melt strength.

  2. Serves as impact modifier for PET and other polyesters to improve low-temperature toughness.

  3. Fits toughening modification needs of polyolefins, engineering plastics and other polymers.

  4. Applicable in filled and blended composite systems to enhance interfacial bonding of different materials.

Specifications Of DuPont Elvaloy PTW Impact modifier


ParameterSpecification / ValueTest Standard
Density0.94 g/cm³ASTM D792, ISO 1183
Melt Flow Index (190°C / 2.16 kg)12 g/10minASTM D1238, ISO 1133
Melting Point (DSC)72 °C (162 °F)ASTM D3417, ISO 3146
Maximum Processing Temperature310 °C (590 °F)




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