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General Purpose Polystyrene (GPPS) GP-525

Product Model: GP525 General Purpose Polystyrene

(1) Product Description

  • Grade: General Injection Molding
  • Appearance Color: Transparent
  • Product Overview: GP525 offers a fast injection molding cycle and excellent transparency for finished products.
  • Notes: Suitable for general injection molding applications.

(2) Product Technical Data

Property Testing Condition Testing Method Typical Value Unit
Basic Properties
Melt Flow Rate 200°C/5kg ASTM D1238 7.2 g/10min
Density ISO 1183 1.04 g/cm³
Water Absorption ISO 62 <0.1 %
Thermal Properties
Vicat Softening Point 10N, 50°C/h ASTM D1525 89 °C
Physical Properties
Processing Shrinkage ISO 294 0.4-0.6 %
Mechanical Properties
Tensile Yield Stress 23°C ASTM D638 / MPa
Tensile Break Stress 23°C ASTM D638 40.2 MPa
Elongation 23°C ASTM D638 / %
Izod Impact Strength 23°C ASTM D256 25.2 J/m
Transparency
Haze ASTM D1003 0.7 %

(3) Product Use Instructions

  • Processing Conditions:
    • Pre-dry the material at 80°C for approximately 2-3 hours before injection molding.
    • Recommended injection molding temperature: 180-220°C.
    • Maintain mold temperature stable at 30-60°C.
    • Do not let the molten resin stay in the heated barrel for extended periods during the injection cycle.
How can I get a sample?2024-07-17T06:56:11+00:00

We provide small samples free of charge, but you will need to cover the shipping costs.

Are you able to adjust the formula to meet our requirement?2024-07-17T06:59:11+00:00

We have our own technical department. After you test the sample, please provide us with your detailed requirements. We can adjust the resin accordingly to enhance the properties of your finished products.

What is the lead time for mass production?2024-07-17T07:00:10+00:00

Honestly, it depends on the quantity. We will do our best to create a production plan based on your estimated time of arrival (ETA).

What are your terms of payment?2024-07-17T07:01:14+00:00

For the first trial order, we require 100% payment upfront. For subsequent orders, we ask for 30% payment in advance and 70% payment after the buyer receives the B/L copy. We also accept L/C if needed.

Typical Processing

Pultrusion

Pultruded Grating, Tent Poles, Solid Rod, Flat Strip, Square Tube, Hollow Round Tube.

SMC/BMC

Insulating FRP Parts (Low Voltage), FRP Plates for Water Tanks, FRP Insulators (High Voltage), Sanitary Ware and Auto Parts

Solid surface

Solid Surface And Artificial Marble Resins, Engineered Stone, Quartz Stone, Granite.

Hand Lay-up

Chemical Resistance, Tanks & Pipes Resin

We are Jiangsu Alita Polymer Co., Ltd., a prominent manufacturer and supplier of polyester resin products under the brand name Alita Resins. Specializing in unsaturated polyester resin production, we are dedicated to delivering high-quality solutions to meet the diverse needs of our clients.

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