Polyolefin Compounds, Masterbatches and Elastomers

Polycomp Grade Summary  

Polycomp Grade Summary

Unfilled Polypropylene

TYPICAL PROPERTIESCOPOLYMERHighly Lubricated HomopolymerRandom Copolymer
 ASTM
Method
Unit
Specific GravityD792-0.900.900.900.910.900.901.040.90
Melt Flow IndexD1238
230°/2.16 kg
g/10 min1.52.35101323415
Mould Shrinkage**D955%1.6 - 1.91.6 - 1.91.5 - 1.91.5 - 1.91.5 - 1.91.4 - 1.91.5 - 1.91.4 - 1.8
Tensile StrengthD638MPa2629243220232923
Elongation at BreakD638%280300500150250500100500
Flexural ModulusD790MPa1280103011301610102011801080900
Izod Impact Strength
- notched
- unnotched
D256
D256
J/m
J/m
570
NB
55
NB
90
NB
76
1170
130
NB
72
1500
26
NB
91
NB
Hardness
Durometer D
D2240
D2240
Inst
15 sec
73
64
72
63
72
62
76
68
71
60
71
61
-
-
72
60
Heat Deflection Temp.
- 0.45 MPa
D648°C10185901271101018680
Co-efficient of Linear
Thermal Expansion
D696
-30 to 30°C
10-5per
°C
101010101010-10

Note: The above grade range is only an example of the grades / specifications available, so please contact us as for a more suitable material for your application.