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Excellent abrasion and tear resistance for demanding dynamic applications.
Good low-temperature flexibility down to –30 °C, retaining elasticity in cold environments.
High transparency and excellent optical clarity suitable for premium aesthetic components.
Outstanding processability via extrusion, injection molding, and calendering.
Hydrolysis-resistant formulation with enhanced stability in humid or warm conditions.
Transparent protective films for electronics and touchscreens.
Soft-touch overmolded grips for power tools and medical handheld devices.
Flexible tubing and bellows in pneumatic and fluid-handling systems.
High-clarity gaskets and seals for optical enclosures and instrumentation housings.
Wear-resistant components in precision industrial rollers and conveyor parts.
| Chemical Type | Thermoplastic Polyurethane (TPU), polyester-based |
| Product Form | Pellets |
| Appearance | Translucent, off-white granules |
| Shore A Hardness | 40 ± 3 |
| Melt Flow Index (210 °C / 2.16 kg) | 18–22 g/10 min |
| Density | 1.18–1.20 g/cm³ |
| Primary Applications | Transparent elastomeric parts, soft-touch overmolding, flexible sealing |
| Key Features | High clarity, hydrolysis resistance, low-temperature flexibility, excellent melt strength |
Q1: What are the key processing advantages of Merquinsa 45-40/3 compared to conventional TPU grades?
A: Merquinsa 45-40/3 offers enhanced melt flow and lower processing viscosity, enabling easier extrusion and injection molding at reduced temperatures. Its balanced hardness and elasticity support high-speed production with improved surface finish and reduced cycle times.
Q2: Is Merquinsa 45-40/3 suitable for applications requiring flexibility at low temperatures?
A: Yes — as a polyester-based TPU elastomer, it retains good low-temperature flexibility and impact resistance, making it appropriate for outdoor, automotive, and industrial components exposed to sub-zero conditions.
Q3: Can this grade be used in contact-sensitive applications such as food-contact or medical tubing?
A: Merquinsa 45-40/3 is formulated without plasticizers or heavy-metal catalysts, supporting compliance pathways for indirect food contact and non-implantable medical devices. Final regulatory approval depends on full formulation, processing conditions, and end-use validation.
Q4: How does Merquinsa 45-40/3 perform in terms of hydrolytic stability?
A: As a polyester-type TPU, it exhibits moderate hydrolytic resistance. For long-term exposure to humid or aqueous environments, stabilization additives or post-processing drying are recommended to maintain mechanical integrity.
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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
