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Excellent abrasion resistance for extended service life in demanding mechanical environments.
Outstanding flexibility and resilience across a wide temperature range (−30 °C to 80 °C).
Good oil, grease, and non-polar solvent resistance for industrial and automotive applications.
High transparency and excellent clarity suitable for optical-grade and aesthetic components.
Easy processability via injection molding, extrusion, and blow molding without pre-drying.
Transparent protective films and screen overlays for consumer electronics.
Soft-touch grips and ergonomic overmolds for power tools and medical hand-held devices.
Seals, gaskets, and dynamic sealing components in fluid handling systems.
Flexible tubing and pneumatic connectors requiring clarity and kink resistance.
Wear-resistant components in precision automation and robotics end-effectors.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane (TPU) |
| Product Form | Pellets (free-flowing, uniform cylindrical granules) |
| Appearance | Translucent, light-amber pellets with consistent size and surface finish |
| Hardness (Shore A) | 90 ± 3 |
| Melt Flow Index (230 °C / 2.16 kg) | 12–16 g/10 min |
| Density (23 °C) | 1.18–1.20 g/cm³ |
| Moisture Content (as received) | ≤ 0.05 wt% |
| Key Features Summary | High transparency, low-temperature flexibility, hydrolysis resistance, and FDA-compliant formulation (upon request) |
Q1: What are the key processing advantages of Taiwan Risheng 1513-7 compared to conventional TPU grades?
A: Taiwan Risheng 1513-7 offers enhanced melt flow stability and reduced torque demand during extrusion and injection molding, enabling smoother processing at lower barrel temperatures and shorter cycle times—particularly beneficial for thin-wall or complex geometry parts.
Q2: Is 1513-7 suitable for applications requiring long-term hydrolytic stability?
A: Yes—1513-7 is formulated with hydrolysis-resistant polyester-based chemistry and demonstrates significantly improved resistance to moisture-induced degradation compared to standard polyester TPUs, making it well-suited for humid environments or prolonged outdoor exposure.
Q3: Can 1513-7 be used in overmolding applications onto common engineering plastics?
A: Yes—1513-7 exhibits good interfacial adhesion to substrates such as ABS, PC, and polypropylene when processed under optimized temperature and mold surface conditions; adhesion performance is further enhanced with proper drying and surface pretreatment.
Q4: How does the hardness and elasticity profile of 1513-7 support its use in flexible film and sheet applications?
A: With a Shore A hardness in the mid-90s range and balanced tensile strength-to-elongation ratio, 1513-7 delivers excellent calendering behavior, dimensional stability during cooling, and consistent thickness control—ideal for high-clarity, tear-resistant films used in protective coverings and technical laminates.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
