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YUNTIANHUA® ST-20
| Category: | Acetal (POM) Copolymer , Acetal (POM) Copolymer |
| Manufacturer: | YunNan YunTianHua Co., Ltd. |
| Trademark: | YUNTIANHUA® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | MblzTy_YUNTIANHUA-ST-20.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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YUNTIANHUA® ST-20 is an Acetal (POM) Copolymer product. It can be processed by injection molding and is available in Asia Pacific, Europe, or North America. Typical application: Engineering/Industrial Parts. Characteristics include:
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) | 7.0 | g/10 min | ISO 1133 |
| Water Absorption (23°C, 24 hr) | 0.60 | % | ISO 62 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 1200 | MPa | ISO 527-2 |
| Tensile Stress (Yield) | 33.0 | MPa | ISO 527-2 |
| Tensile Strain (Break) | 140 | % | ISO 527-2 |
| Flexural Modulus | 1100 | MPa | ISO 178 |
| Flexural Stress | 35.0 | MPa | ISO 178 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Notched Impact Strength | 20 | kJ/m² | ISO 179/1eA |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Heat Deflection Temperature (1.8 MPa, Unannealed) | 60.0 | °C | ISO 75-2/A |
| Flammability | Nominal Value | Test Method | |
|---|---|---|---|
| Flame Rating | HB | UL 94 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 80.0 to 90.0 | °C | |
| Drying Time | 3.0 to 4.0 | hr | |
| Rear Temperature | 160 to 180 | °C | |
| Middle Temperature | 170 to 190 | °C | |
| Front Temperature | 180 to 200 | °C | |
| Nozzle Temperature | 180 to 200 | °C | |
| Processing (Melt) Temp | 170 to 200 | °C | |
| Mold Temperature | 60.0 to 90.0 | °C | |
| Injection Pressure | 50.0 to 100 | MPa | |
| Holding Pressure | 30.0 to 80.0 | MPa | |
| Back Pressure | 0.00 to 0.500 | MPa | |
| Screw Speed | 50 to 120 | rpm |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| Ravamid® BGF15 BK 45 | Ravago Group | Nylon 6 | Ravamid® |
| RheTech Thermoplastic Polyolefin FT4900-772UV | RheTech, Inc. | Polyolefin, Unspecified | RheTech Thermoplastic Polyolefin |
| NOVAPOL® HF-W952-A | NOVA Chemicals | HDPE | NOVAPOL® |
| ACCUTECH™ HP0334T10L1 | ACLO Compounders Inc. | PP Homopolymer | ACCUTECH™ |
| Sylvin 8685-60 Orange 583 | Sylvin Technologies Incorporated | PVC, Unspecified | Sylvin |
