About |
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Celcon® UV90Z is an integrally colored nominal 9 melt flow rate based acetal copolymer material stabilized for use where ultraviolet radiation exposure is to be encountered. The material is formulated to prevent discoloration, fading, chalking and mechanical property change in severe ultraviolet exposure. This product is available in many colors formulated for the interior automotive market and other applications.&& |
Product Description | |
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Supplier | Celanese |
Generic | Copolymer Polyformaldehyde |
Material Status | Commercial: Active |
Features | Weather resistance is good |
Availabilitys | North America,Latin America,Asia Pacific |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.41 | g/cm³ | ASTM D792 |
Density | 1.41 | g/cm³ | ISO 1183 |
Melt Volume Rate | |||
190℃,2.16 kg | 8.00 | cm³/10min | ISO 1133 |
Shrinkage rate | ISO 294-4 | ||
TD | 1.8 | % | ASTM D955 |
MD | 2.2 | % | ASTM D955 |
TD | 1.7 | % | ISO 294-4 |
MD | 1.9 | % | ISO 294-4 |
Water absorption rate | |||
Saturation, 23 ℃ | 0.75 | % | ISO 62 |
Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
MECHANICAL | Nominal value | Unit | Test method |
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Tensile modulus | 2700 | MPa | ISO 527-2/1A/1 |
tensile strength | |||
Yield, 23 ℃ | 60.7 | MPa | ASTM D638 |
yield | 64.0 | MPa | ISO 527-2/1A/50 |
Tensile strain | |||
yield | 9.0 | % | ISO 527-2/1A/50 |
Bending modulus | |||
23℃ | 2470 | MPa | ISO 178 |
IMPACT | Nominal value | Unit | Test method |
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Charpy Notched Impact Strength | |||
23℃ | 6.0 | kJ/m² | ISO 179/1eA |
Charpy Unnotch Impact strength | |||
23℃ | 100 | kJ/m² | ISO 179/1eU |
Impact strength of cantilever beam notch | |||
23℃ | 5.7 | kJ/m² | ISO 180-1A |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | |||
1.8 MPa, unannealed | 110 | ℃ | ASTM D648 |
1.8 MPa, unannealed | 91.0 | ℃ | ISO 75-2/A |
0.45 MPa, unannealed | 155 | ℃ | ISO 75-2/B |
Melting peak temperature | 165 | ℃ | ASTM D3418 |
Melting temperature | 165 | ℃ | ISO 11357-3 |
Linear coefficient of thermal expansion | |||
TD | 1.2E-4 | 1/℃ | ISO 11359-2 |
MD | 1.1E-4 | 1/℃ | ISO 11359-2 |
Process Conditions | |||
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injection | Nominal value | Unit | Test method |
Drying temperature | 80 to 100 | °C | |
Drying time | 3.0 | hr | |
Barrel rear temperature | 170 to 180 | °C | |
Barrel middle temperature | 180 to 190 | °C | |
Barrel front temperature | 180 to 190 | °C | |
Nozzle temperature | 190 to 200 | °C | |
Processing (melt) temperature | 180 to 200 | °C | |
Mold temperature | 80 to 120 | °C | |
Injection pressure | 60.0 to 120 | MPa | |
Injection speed | Slow-Moderate | ||
Hold pressure | 60.0 to 120 | MPa | |
Back pressure | 0.00 to 4.00 | MPa |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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