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UV-stabilized thermoplastic polyurethane formulation for enhanced outdoor durability.
Excellent abrasion resistance and mechanical toughness across a wide temperature range.
Good processability via extrusion, injection molding, and blow molding.
Low extractables and compliant with FDA 21 CFR §177.1680 for indirect food contact applications.
Hydrolysis-resistant chemistry suitable for humid and wet environments.
Outdoor automotive interior trim components (e.g., door panels, armrests).
High-durability consumer electronics protective casings and wearable device bands.
Industrial hose covers and flexible conduit jacketing exposed to sunlight.
Medical tubing requiring UV stability and biocompatibility per ISO 10993-5.
Outdoor sporting goods components such as backpack straps and goggle frames.
| Chemical Type | Aliphatic polyester-based thermoplastic polyurethane |
| Product Form | Pellets |
| Appearance | Off-white, free-flowing granules |
| Primary Applications | Exterior-facing flexible parts requiring UV resistance |
| Key Features | UV stabilization, hydrolysis resistance, melt-processable |
| Benefits | Extended service life under solar exposure, consistent mechanical performance |
| Regulatory Compliance | Meets UL 94 HB; RoHS 2011/65/EU compliant |
| Processing Temperature Range | 190–220 °C (recommended melt temp) |
Q1: What is the primary function of Lubrizol TPU 11T85UV in thermoplastic polyurethane (TPU) formulations?
A: Lubrizol TPU 11T85UV is a UV-stabilized thermoplastic polyurethane elastomer designed to enhance long-term weatherability and resistance to ultraviolet radiation-induced degradation—particularly surface chalking, discoloration, and loss of mechanical integrity—when exposed to outdoor conditions.
Q2: Is Lubrizol TPU 11T85UV compatible with other TPU grades or polymer blends?
A: Yes, it is generally compatible with conventional aromatic and aliphatic TPUs, as well as certain engineering thermoplastics such as PC and ABS in co-extrusion or alloy applications—though compatibility and phase behavior should be verified experimentally for each specific formulation and processing condition.
Q3: What processing methods are recommended for Lubrizol TPU 11T85UV?
A: It is suitable for standard thermoplastic processing techniques including injection molding, extrusion, blow molding, and thermoforming. Optimal results are achieved when melt temperatures are maintained within typical TPU processing ranges and residence time is minimized to preserve UV stabilizer efficacy.
Q4: Does Lubrizol TPU 11T85UV require additional UV stabilizers or antioxidants in most applications?
A: It is supplied with an optimized package of UV absorbers and hindered amine light stabilizers (HALS), and typically does not require supplemental UV additives for standard outdoor exposure profiles—though extended service life under extreme UV intensity or elevated temperature may warrant formulation review.
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E-mail: wangxingqiang@ericwchem.com
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