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PP HYOSUNG J1145T
HYOSUNG Topilene® J1145T – polypropylene block (impact) copolymer for thin-wall injection moulding (TWIM); very high flow for fast cycles; food-contact compliant (FDA 21 CFR 177.1520; EU 10/2011).
主要特点
High flow rate (MFI 70 g/10 min @ 230 °C / 2.16 kg) – fills thin walls and multi-cavity tools quickly, enabling short cycle times.
Balanced stiffness & toughness – engineered for TWIM parts that must stay rigid yet resist everyday knocks.
Appliance-grade heat performance – Vicat 155 °C, HDT 120 °C (0.455 MPa) supports warm-service use.
Clean surface finish – stable rheology for glossy, paintable housings and housewares.
Processing friendly – wide cylinder profile; fast demoulding; optional pre-dry only when condensation is present.
主要规格
| Property | Typical Value | Method |
|---|---|---|
| Melt Flow Index (230 °C / 2.16 kg) | 70 g/10 min | ASTM D1238 |
| Density | 0.90 g/cm³ | ASTM D792 |
| Tensile Strength at Yield | 270 kgf/cm² (~26.5 MPa) | ASTM D638 |
| Flexural Modulus | 14,000 kgf/cm² (~1,370 MPa) | ASTM D790 |
| Notched Izod Impact @ 23 °C | 8.0 kg·cm/cm (~78 J/m) | ASTM D256 |
| Rockwell Hardness | R 100 | ASTM D785 |
| Vicat Softening (1 kgf) | 155 °C | ASTM D1525 |
| Heat-Deflection Temp. (0.455 MPa) | 120 °C | ASTM D648 |
| Recommended Melt Temperature | 240 – 260 °C (nozzle/front/middle), 220 – 240 °C (rear) | — |
应用与认证
Typical Applications of Topilene® J1145T
• Thin-wall packaging & housewares (e.g., food containers, chopping boards)
• Cooling & dishwashing appliance parts; washing-machine components
• Opaque containers, general E&E housings, and other TWIM articles
Certifications / Standards
• Food-contact: FDA 21 CFR 177.1520; EU 10/2011 (incl. 2016/1416 amendment).
• Manufacturer quality systems typically include ISO 9001 / ISO 14001.
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