Chimei POLYLAC® PA-707K ABS

Premium Chimei POLYLAC® PA-707K ABS raw material with high flowability and surface gloss. Ideal for home appliances, electronics, and food-contact parts.

Additional information

Manufacturer

Chimei

MVR

2.1 cm³/10 min

Density

1.05 g/cm³

Elongation at Break

20 %

Flexural Modulus

2600 MPa

Note: See the product description for additional technical specifications

Product Overview

Chimei POLYLAC® PA-707K ABS is a high-performance acrylonitrile-butadiene-styrene (ABS) plastic resin manufactured by Chimei Corporation, a world-renowned polymer manufacturer. This grade is a general-purpose and engineering-grade modified ABS material, appearing as uniform natural-colored or translucent solid pellets.

As one of the representative grades in the Chimei POLYLAC® ABS lineup, PA-707K holds a prominent position in the plastics processing industry due to its high flowability, superior mechanical rigidity, and good processing stability. Specially optimized for complex structural parts and thin-wall injection molding, this material helps shorten cycle times while maintaining excellent surface finish and dimensional stability. PA-707K is widely used in home appliance housings, electrical and electronic components, office equipment, and specific food-contact applications, making it an ideal raw material choice for plastics processors and engineering specifiers worldwide.

Technical Data Sheet (TDS)

Physical Properties

Physical Properties Test Value Unit Test Standard
Melt Volume-Flow Rate (MVR) 200°C, 5 kg 2.1 cm³/10 min ISO 1133
Melt Volume-Flow Rate (MVR) 220°C, 10 kg 23 cm³/10 min ISO 1133
Rockwell Hardness R 116 — ASTM D785
Density 23°C 1.05 g/cm³ ISO 1183

Mechanical Properties

Mechanical Properties Test Value Unit Test Standard
Tensile Strength 50 mm/min 48 MPa ISO 527
Tensile Strain, Break 50 mm/min 20 % ISO 527
Flexural Strength 2 mm/min 73 MPa ISO 178
Flexural Modulus 2 mm/min 2600 MPa ISO 178
Izod Notched Impact Strength 4 mm, 23°C 15 kJ/m² ISO 180
Charpy Impact Strength 4 mm, 23°C 16 kJ/m² ISO 179

Thermal Properties

Thermal Properties Test Value Unit Test Standard
Vicat Softening Temperature 50°C/h, 10 N 104 °C ISO 306
Heat Deflection Temperature 1.8 MPa 98 °C ISO 75-2
Heat Deflection Temperature, Unannealed 1.8 MPa 83 °C ISO 75-2
Flammability Rating 1.5 mm HB — UL 94

Disclaimer: The technical data sheet (TDS) of POLYLAC® PA-707K ABS material from Chimei corporation, if there are differences, please refer to the official website of Chimei.

Features & Benefits

  • High Melt Flowability: Features a high melt volume-flow rate (23 cm³/10 min at 220°C/10 kg), providing a long flow path and low injection pressure, which significantly improves mold-filling efficiency for large complex parts and thin-walled components.

  • Balanced Mechanical Rigidity & Impact Resistance: Boasts a flexural modulus of up to 2600 MPa and a tensile strength of 48 MPa. While ensuring high structural rigidity, it maintains good Izod notched impact strength (15 kJ/m²).

  • Excellent Surface Finish & Processability: Delivers high surface gloss and stable shrinkage after injection molding, making it easy for post-processing such as painting, electroplating, ultrasonic welding, and machining.

  • Reliable Thermal Stability: Achieves a Vicat softening point of 104°C and a heat deflection temperature of 98°C, ensuring that parts remain structurally stable in ambient to moderate operating temperatures.

  • Environmental & Food-Contact Compliance: Complies with RoHS and REACH regulations. Specific batches meet food-contact compliance standards (FDA / EU) with low odor and low residual monomer content, making it suitable for applications with high hygiene requirements.

Applications

Owing to its high flowability, good mechanical rigidity, and excellent surface appearance, POLYLAC® PA-707K ABS is widely utilized across the following industry sectors:

  • Home Appliances & Kitchen Equipment:  Vacuum cleaner housings, coffee machine components, juicer/blender non-load-bearing outer housings, refrigerator interior trim parts, and panels.
  • Consumer Electronics & Office Equipment: Printer/copier housings, monitor bezels, keyboard bases, and smart home control panel enclosures.
  • Automotive Interior & Components: Door panel trim frames, air conditioning vent grilles, dashboard structural supports, and bezel covers.
  • Medical & Healthcare Goods (Non-invasive): Medical equipment enclosures, toiletry spray nozzle components, and daily storage box bases.
  • Toys & Consumer Products: Premium building blocks, professional model housings, and luggage hard shell accessories.

Frequently Asked Questions (FAQs)

Q1: What are the recommended drying conditions for POLYLAC® PA-707K ABS prior to injection molding?

A: ABS material is slightly hygroscopic; excessive moisture before processing can cause silver streaks, bubbles, or reduced mechanical strength on the product surface. Recommended drying parameters are as follows:

  • Drying Equipment: Hot air circulating oven or desiccant dryer.

  • Drying Temperature: 80°C – 85°C.

  • Drying Time: 2 – 4 hours (dry until moisture content is controlled below 0.1%).

Q2: What is the difference between POLYLAC® PA-707K and general-purpose standard ABS (e.g., PA-757)?

A: The main differences lie in flowability and rigidity emphasis:

  • PA-707K focuses on high flowability and high rigidity (higher melt index and superior flowability), making it more suitable for thin-wall molding, large complex injection molded parts, and shorter production cycles.

  • PA-757 is a high-impact general-purpose grade with slightly higher impact strength, but its melt flow rate is lower than that of PA-707K.

Q3: Does Chimei PA-707K ABS comply with international environmental and flame-retardant certifications (RoHS / UL)?

A: Yes. Chimei PA-707K complies with EU RoHS (2011/65/EU) directives and REACH (SVHC) regulations. Regarding flammability rating, this grade passes the UL 94 HB test at a thickness of 1.5 mm, categorizing it as a standard flammable engineering plastic. If your application requires a V-0 flame-retardant rating, it is recommended to select Chimei POLYLAC® flame-retardant series (such as PA-777D or PA-765).

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