About |
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Ultraform H 4320 UNC Q600 is an extrusion POM high molecular weight grade. This grade enables high extrusion rates with thick-walled product. It also exhibits high thermal stability and a low tendency to discolor. Applications Typical applications include pipe and semi-finished parts for gear wheels, bearings and other mechanical elements.&& |
Product Description | |
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Supplier | BASF |
Generic | Copolymer Polyformaldehyde |
Material Status | Commercial: Active |
Features | Good color stability,High molecular weight,Copolymer,Heat Stabilized |
Availabilitys | North America |
Process Methods | Extrusion |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.39 | g/cm³ | ASTM D792 , ISO 1183 |
Melt Volume Rate | |||
190℃,2.16 kg | 2.20 | cm³/10min | ISO 1133 |
Shrinkage rate | |||
MD:3.2 mm | 2.0 | % | |
TD | 2.1 | % | ISO 294-4 |
MD | 2.2 | % | ISO 294-4 |
Water absorption rate | |||
saturated | 0.80 | % | ASTM D570 |
Saturation, 23 ℃ | 0.80 | % | ISO 62 |
Balance, 50% RH | 0.20 | % | ASTM D570 |
Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
MECHANICAL | Nominal value | Unit | Test method |
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Tensile modulus | |||
23℃ | 2600 | MPa | ISO 527-2 |
tensile strength | |||
Yield, 23 ℃ | 63.0 | MPa | ASTM D638 , ISO 527-2 |
Yield, -40 ℃ | 93.0 | MPa | ISO 527-2 |
Yield, 80 ℃ | 32.0 | MPa | ISO 527-2 |
Tensile strain | |||
Yield, 23 ℃ | 10 | % | ASTM D638 , ISO 527-2 |
Nominal tensile fracture strain | |||
23℃ | 31 | % | ISO 527-2 |
Tensile creep modulus | |||
1000 hr | 1300 | MPa | ISO 899-1 |
Bending modulus | |||
23℃ | 2410 | MPa | ASTM D790 |
23℃ | 2700 | MPa | ISO 178 |
IMPACT | Nominal value | Unit | Test method |
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Charpy Notched Impact Strength | ISO 179 | ||
-30℃ | 5.5 | kJ/m² | ISO 179 |
23℃ | 6.0 | kJ/m² | ISO 179 |
Charpy Unnotch Impact strength | ISO 179 | ||
-30℃ | 180 | kJ/m² | ISO 179 |
23℃ | 250 | kJ/m² | ISO 179 |
Impact strength of cantilever beam notch | |||
-40℃ | 69 | J/m | ASTM D256 |
23℃ | 80 | J/m | ASTM D256 |
-40℃ | 4.0 | kJ/m² | ISO 180 |
23℃ | 5.0 | kJ/m² | ISO 180 |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | |||
0.45 MPa, unannealed | 154 | ℃ | ASTM D648 |
0.45 MPa, unannealed | 156 | ℃ | ISO 75-2/B |
1.8 MPa, unannealed | 96.0 | ℃ | ASTM D648 |
1.8 MPa, unannealed | 95.0 | ℃ | ISO 75-2/A |
Melting peak temperature | 166 | ℃ | ASTM D3418 , ISO 3146 |
Linear coefficient of thermal expansion | |||
MD | |||
— | 6.0E-5 | cm/cm/℃ | ASTM E831 |
— | 1.1E-4 | cm/cm/℃ |
Electrical performance | Nominal value | Unit | Test method |
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Surface resistivity | 1.0E+13 | ohms | ASTM D257,IEC 60093 |
Volume resistivity | |||
1.50 mm | 1.0E+13 | ohms·cm | ASTM D257 |
— | 1.0E+13 | ohms·cm | IEC 60093 |
Dielectric strength | 40 | kV/mm | IEC 60243-1 |
Dielectric constant | IEC 60250 | ||
100 Hz | 3.80 | IEC 60250 | |
1 MHz | 3.80 | IEC 60250 | |
Dissipation factor | IEC 60250 | ||
100 Hz | 1.0E-3 | IEC 60250 | |
1 MHz | 5.0E-3 | IEC 60250 | |
Compared to the leakage tracing index | 600 | V | IEC 60112 |
Process Conditions | |||
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Extrusion | Nominal value | Unit | Test method |
Drying temperature | 80 to 110 | °C | |
Drying time | 2.0 to 4.0 | hr | |
Recommended maximum moisture content | 0.15 | % | |
Barrel 1 zone temperature | 170 | °C | |
Barrel 3 zone temperature | 180 | °C | |
Barrel 5 zone temperature | 200 | °C | |
Connector temperature | 175 | °C | |
Melt temperature | 175 to 200 | °C | |
Nozzle temperature | 175 | °C | |
Extruder screw length to diameter ratio L / D | 20.1:1.0 to 25.0:1.0 | ||
Extruder screw compression ratio | 3.0:1.0 |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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