Polylac® PA-757 is a general-purpose acrylonitrile butadiene styrene (ABS) resin developed by Chi Mei Corporation. Designed for injection molding applications, this grade offers an excellent balance of surface appearance, rigidity, impact resistance, and processing performance.With its stable mechanical properties and outstanding surface finish, Polylac PA-757 is widely used in the production of plastic components that require both aesthetic quality and reliable performance, including household appliances, consumer electronics, office equipment, and automotive interior parts.

Property

Typical Value

Material Type

ABS Resin

Brand

Polylac

Grade

PA-757

Density

1.05 g/cm³

Melt Flow Rate

18 cm³/10 min (220°C, 10 kg)

Tensile Strength

47 MPa

Elongation at Break

30%

Flexural Strength

76 MPa

Flexural Modulus

2.2 GPa

Notched Izod Impact Strength

19 kJ/m²

Vicat Softening Temperature

104°C

Mold Shrinkage

0.4–0.7%

Flammability Rating

UL94 HB

Product Features of Polylac PA-757 Resin

  • High gloss and excellent appearance
  • Balanced rigidity and impact strength
  • Easy injection molding and stable production
  • Suitable for precision components
  • Applicable across multiple industries

Main Uses of ABS PA-757

  1. Household Appliances. Polylac PA-757 is widely used in household appliance manufacturing, where excellent surface appearance, dimensional stability, and mechanical strength are required. It is suitable for producing television housings, air conditioner components, control panels, small appliance enclosures, and various functional plastic parts that combine durability with an attractive finish.
  2. Consumer Electronics. The high-gloss surface and balanced mechanical properties of ABS PA-757 make it an ideal material for consumer electronic products. It is commonly used for electronic device housings, digital product enclosures, equipment covers, and precision structural components that require both aesthetic appeal and reliable performance.
  3. Office Equipment. ABS PA-757 provides the rigidity, processing stability, and dimensional accuracy needed for office equipment applications. It is widely applied in printer housings, copier components, business machine covers, and other structural plastic parts designed for long-term durability and consistent quality.
  4. Automotive Interior Parts. Thanks to its combination of good rigidity, impact resistance, and excellent surface finish, Polylac PA-757 is suitable for selected automotive interior applications. Typical uses include dashboard components, interior trim parts, decorative panels, and other molded plastic components that require a high-quality appearance and dependable mechanical performance.
  5. Industrial and General Plastic Components. Beyond consumer products, Polylac PA-757 is also used in a variety of industrial and general-purpose plastic applications. Its balanced processing characteristics and mechanical properties make it suitable for precision injection-molded components, equipment housings, protective covers, and functional engineering parts across multiple industries.

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