PS (gpps)

Category Type Material
Polymers Commodity Polymers

show all types of Polymers

 ABS Galvano
ABS General Purpose
ABS Heat Resistant
ABS High Impact
HDPE
LDPE
LLDPE
PMMA
PMMA (cast)
PP (cop.)
PP (hom.)
PS (gpps)
PS (hips)
PVC hard
PVC soft

Data Table for: Polymers: Commodity Polymers: PS (gpps)

Mechanical Properties

Quantity Value Unit
Young's modulus 3000 - 3500 MPa
Shear modulus 700 - 800 MPa
Tensile strength 32 - 60 MPa
Elongation 2.8 - 4 %
Fatigue 20 - 20 MPa
Bending strength 50 - 100 MPa
Impact strength 0.27 - 5 J/cm

Physical Properties

Quantity Value Unit
Thermal expansion 60 - 80 e-6/K
Thermal conductivity 0.14 - 0.16 W/m.K
Specific heat 1300 - 1300 J/kg.K
Glass temperature 80 - 98 °C
Service temperature -10 - 90 °C
Density 1040 - 1050 kg/m3
Resistivity 1e+22 - 1e+22 Ohm.mm2/m
Breakdown potential 100 - 160 kV/mm
Dielectric loss factor 0.0001 - 0.0001
Friction coefficient 0.35 - 0.45
Refraction index 1.58 - 1.59
Shrinkage 0.3 - 0.7 %

Environmental Data

Quantity Value Unit
Eco indicator 95 2.641 mPt
EPS 1940 mELU
Ex (in) / Ex (out) 3.63082437275986 MJ/MJ
GER 96.05 MJ
Raw materials input 189.977545 kg
Solid 0.02677 kg
Eco indicator 99 0.35 Pt
Environmental remarks Data from about 10 plants producing 700000 tonne Polystyrene in 1994.

General

     
Remarks Intrinsic brittle material under normal strain rates. Can be improved modification with rubber particles , see HIPS. Incineration heat value 40MJ/kg. The optimal temperature for processing is between 190 and 220°C. For warmpressing the temperature is 170 to 190°C
Sample

Sample: Commodity Polymers

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