APC-polystyrene

GPPS (General Purpose Polystyrene) Products

This GPPS grades are designed to meet the diverse needs of various industries, offering exceptional properties for both extrusion and injection molding applications. These high-performance polystyrene products are ideal for creating durable, transparent, and heat-resistant materials tailored to your requirements.


Key Features:

  1. High Heat Resistance: Ensures durability under thermal stress.
  2. Exceptional Transparency: Provides crystal-clear finishes for aesthetic and functional purposes.
  3. Versatile Applications: Suitable for a wide range of industrial and consumer products.
  4. Superior Mechanical Properties: Ensures strength and rigidity for demanding uses.

Applications:

  1. Construction Materials: Shower cabinets, insulation boards, and thick sheets.
  2. Packaging: Transparent containers, food packaging, foam sheets for fruit, meat, and egg trays.
  3. Lighting & Optics: Thin films and optical sheets.
  4. Housewares: Rigid and visually appealing products for everyday use.

GPPS AP-1309

GPPS ap-0402

GPPS AP-1309 Product Description and Analysis

Technical Specifications

Property

Unit

Test Method

Typical Value

Melt Flow Index (200°C-5kg)

g/10min

ASTM D-1238

10-12

Styrene Residual Monomer

ppm

CLGLABPSG004

<500

Vicat Softening Point (50°C/hr, 1kg)

°C

ASTM D-1525

91

Rockwell Hardness

-

ASTM D-785

L SCALE/ 70

Tensile Strength at Break

MPa

ASTM D-638

42

Elongation at Break

%

ASTM D-638

2

Key Notes

1. Thermal Properties: 
The material has a Vicat softening point of 91°C, indicating good thermal resistance.

2. Mechanical Properties: 

- High tensile modulus (3100 MPa) ensures rigidity.

- Tensile strength of 42 MPa makes it suitable for structural applications.

- Low elongation at break (2%) reflects brittleness, common in crystal polystyrene.

3. Flow Characteristics:
The melt flow index (10-12 g/10min) is appropriate for thin-walled molding applications.

4. Safety and Quality:
Styrene residual monomer is below 500 ppm, meeting safety standards for sensitive uses like food packaging



GPPS AP-1309 is a crystal polystyrene grade produced by APC, designed for applications requiring high transparency and stiffness. It is widely used in extrusion and injection molding processes, offering good mechanical and thermal properties.

Typical Applications

•    Transparent containers

•    Food packaging

•    Optical sheets

•    Housewares


GPPS AP-0402 Product Description and Analysis

Technical Specifications

Property

Unit

Test Method

Typical Value

Melt Flow Index (200°C-5kg)

g/10min

ASTM D-1238

3

Styrene Residual Monomer

ppm

CLGLABPSG004

<500

Vicat Softening Point (50°C/hr, 1kg)

°C

ASTM D-1525

102

Rockwell Hardness (SCALE/L)

-

ASTM D-785

70

Tensile Strength at Break

MPa

ASTM D-638

55

Elongation at Break

%

ASTM D-638

2

Tensile Modulus

MPa

ASTM D-638

3300

Notched IZOD Impact Strength (23°C)

kg-cm/cm

ASTM D-256

2.2

Density

g/cm³

ASTM D-792

1.04

Molding Shrinkage

%

ASTM D-955

0.4-0.7

Flexural Modulus

MPa

ASTM D-790

3100

Flexural Strength

MPa

ASTM D-790

90

HDT (1.82 MPa)

°C

ASTM D-648

85

Flammability

-

UL94

HB

Haze

%

ASTM D-1003

2.5-3.0


Notes:

• To enhance the quality of injection-molded products, if moisture affects the product, GPPS granules can be dried at 70°C for 2-4 hours.

• The provided data are typical values and should not be construed as definitive specifications. Users are advised to confirm results through their own tests.



GPPS AP-0402 is a high heat-resistant, high molecular weight crystal polystyrene designed for extrusion and biaxially oriented polystyrene (OPS) production. It is particularly suitable for producing thick sheets via direct gas injection, yielding expanded sheets with excellent mechanical properties.

Applications

•    Shower cabinets

•    Thin films for lighting

•    Insulation boards

•    Foam sheets for fruit trays, meat trays, and egg boxes


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