StarResin

CoPP 20.3

Polypropylene Impact Copolymer
Description
COPP 20.3 is a high crystallinity, high impact copolymer resin with medium melt flow rate and excellent processing attributes. It is designed to optimize cycle times by improving mold release on injection molded parts.
Property
Value
Unit
ASTM
Melt index 
(condition 230°C/2.16 kg)
20
g/10 min
D 1238
Density (g/cm³)
0.900
g/cm³
D 792
Tensile Strength (Yield)
23.8
MPa
D638
Tensile Strength (Yield, ISO)
23.1
MPa
ISO 527-2/50
Tensile Elongation (Yield)
4.5
%
D638
Tensile Strain (Yield, ISO)
4.2
%
ISO 527-2/50
Flexural Modulus – 1 % Secant
1280
MPa
D790A
Flexural Modulus – 1 % Secant
1480
MPa
D790B
Flexural Modulus – 1 % Secant (ISO)
1280
MPa
ISO 178
Charpy Notched Impact Strength (-30 °C)
7.4
kJ/m²
ISO 179/1eA
Charpy Notched Impact Strength (-20 °C)
7.6
kJ/m²
ISO 179/1eA
Charpy Notched Impact Strength (0 °C)
9.0
kJ/m²
ISO 179/1eA
Charpy Notched Impact Strength (23 °C)
14.0
kJ/m²
ISO 179/1eA
Notched Izod Impact (23 °C)
160
J/m
D256A
Notched Izod Impact Strength (-40 °C)
7.1
kJ/m²
ISO 180/1A
Notched Izod Impact Strength (-20 °C)
7.8
kJ/m²
ISO 180/1A
Notched Izod Impact Strength (23 °C)
14
kJ/m²
ISO 180/1A
Gardner Impact (-29 °C, 3.18 mm)
22.3
J
D5420
Deflection Temperature Under Load (0.45 MPa, Unannealed)
105
°C
D648
Deflection Temperature Under Load (0.45 MPa, Unannealed)
88.3
°C
ISO 75-2/B
Deflection Temperature Under Load (1.8 MPa, Unannealed)
50
°C
ISO 75-2/A