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Ultramid® 8255 HS
| Category: | Nylon 6 , Polyamide 6 |
| Manufacturer: | BASF Corporation |
| Trademark: | Ultramid® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | hMNqMo_Ultramid-8255-HS.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Ultramid 8255 HS is a heat stabilized, impact modified type 6 nylon graft copolymer developed for both injection molding and extrusion applications. It exhibits varying levels of toughness and flexibility combined with excellent thermal and chemical resistance properties provided by the nylon backbone. It maintains its inherent chemical resistance to greases, oils and hydrocarbons. Applications Ultramid 8255 HS is generally recommended for applications such as clips and fasteners, bowling pin bases and flexible connectors. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.08 | g/cm³ | ASTM D792, ISO 1183 |
| Molding Shrinkage - Flow (3.18 mm) | 1.3 | % | |
| Water Absorption | |||
| 24 hr | 1.2 | % | ASTM D570 |
| 23°C, 24 hr | 1.2 | % | ISO 62 |
| Saturation | 7.1 | % | ASTM D570 |
| Saturated, 23°C | 7.1 | % | ISO 62 |
| Balance, 50% RH | 2.0 | % | ASTM D570 |
| Equilibrium, 23°C, 50% RH | 2.0 | % | ISO 62 |
| Hardness | Nominal Value | Unit | Test Method |
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| Rockwell Hardness (R-Scale) | 52 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
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| Tensile Modulus (23°C) | 780 | MPa | ISO 527-2 |
| Tensile Strength (Yield, 23°C) | 36.0 | MPa | ASTM D638, ISO 527-2 |
| Tensile Elongation | |||
| Yield, 23°C | 30 | % | ASTM D638 |
| Yield, 23°C | 7.0 | % | ISO 527-2 |
| Fracture, 23°C | > 100 | % | ASTM D638 |
| Nominal Tensile Strain at Break (23°C) | > 50 | % | ISO 527-2 |
| Flexural Modulus | ASTM D790 | ||
| -40°C | 2830 | MPa | ASTM D790 |
| 23°C | 700 | MPa | ASTM D790 |
| 65°C | 195 | MPa | ASTM D790 |
| 90°C | 160 | MPa | ASTM D790 |
| 121°C | 145 | MPa | ASTM D790 |
| Flexural Strength | ASTM D790 | ||
| -40°C | 124 | MPa | ASTM D790 |
| 23°C | 28.0 | MPa | ASTM D790 |
| 65°C | 10.0 | MPa | ASTM D790 |
| 90°C | 9.00 | MPa | ASTM D790 |
| 121°C | 8.00 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
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| Charpy Notched Impact Strength (23°C) | 50 | kJ/m² | ISO 179 |
| Notched Izod Impact (23°C) | 320 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
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| Deflection Temperature Under Load | |||
| 1.8 MPa, not annealed | 48.0 | °C | ASTM D648 |
| 1.8 MPa, not annealed | 42.0 | °C | ISO 75-2/A |
| Peak Melting Temperature | 220 | °C | ASTM D3418, ISO 3146 |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 65.0 | °C | |
| Drying Time | 2.0 - 4.0 | hr | |
| Suggested Max Moisture | 0.10 | % | |
| Cylinder Zone 1 Temp. | 245 - 255 | °C | |
| Cylinder Zone 3 Temp. | 245 - 260 | °C | |
| Cylinder Zone 5 Temp. | 240 - 250 | °C | |
| Flange temperature | 230 - 245 | °C | |
| Head Temperature | 230 - 245 | °C | |
| Extruder Screw L/D Ratio | 20.0:1.0 to 24.0:1.0 | ||
| Extruder Screw Compression Ratio | 3.5:1.0 to 4.0:1.0 | ||
| Melt Temperature | 240 - 250 | °C | |
| Die Temperature | 230 - 245 | °C |
| Extrusion instructions |
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| Screw Parameters Metering Section: 40% Transition Section: 3 to 4 flights Feed Section: balance of screw length |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| Shandong PP PG8101 | Shandong Dongchen Engineering Plastics Co., Ltd. | PP, Unspecified | Shandong PP |
| Sinvicomp SFC4506 | Teknor Apex Asia Pacific PTE. LTD. | PVC, Flexible | Sinvicomp |
| Dryflex® 966042 | ELASTO | TPE | Dryflex® |
| ENSOFT SO-160-60A | ENPLAST, a Ravago Group Company | TPE | ENSOFT |
| LNP™ COLORCOMP™ 203RC compound | SABIC Innovative Plastics | PC | LNP™ COLORCOMP™ |
