virgin/recycled GPPS.general purpose Polystyrene resin

No.

1

2

3

4

5

6

Type

GPS***5

GPS***5N

GPS***5

GPS***5

GPS***0I

GPS***0P

solution flow rate

*1

7

7

4

3

2.5

Vicat softening point

*2

*4

*4

**0

**2

**4

thermal deformation temperature

*8

*8

*8

*0

*1

*4

tensile strength

*4

*6

*6

*0

*2

*5

extension at break

3

3

3

3

3

3

bending strength

*0

*2

*2

*0

*5

**0

cantilever impact strength

*8

*0

*0

*0

*2

*4

Rockwell hardness (M scale)

*0

*0

*0

*5

*5

*0

fog density

0.8

0.8

0.8

1

1

1

residual styrene content

below **0

below **0

below **0

below **0

**0

**0

density

1.*4

1.*4

1.*4

1.*4

1.*4

1.*4

Feature

high fluidity, high transparency (light color)

flowable, high transparency (glass color)

middle fluidity, high transparency, good combination property

middle fluidity, heat resistant

low fluidity, heat resistant

low fluidity, highly heat resistant and high strength

Process

injection

injection, extrusion

injection, extrusion

extrusion

extrusion, stretch

injection, extrusion

Type of Polymer

homopolymer

homopolymer

homopolymer

homopolymer

homopolymer

homopolymer

Typical Application

tableware, cup, thin wall products, and sole of shoes after mixing modified, etc.

tableware and thin wall products, and high efficient extrusion board

AVproducts, medical/lab/household utensils, etc.

extruded sheets and foamed products, etc.

extruded foamed products, thick wall products, etc.

extruded foamed products, biaxially oriented sheets and packaging film, etc.