Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Lubrizol PEARLBOND 503 Thermoplastic Polyurethane

Lubrizol PEARLBOND 503 is a thermoplastic polyurethane (TPU) resin engineered for high-clarity, soft-touch overmolding and decorative film applications. It offers excellent adhesion to ABS, PC, and PP substrates, outstanding abrasion resistance, and superior processing stability via extrusion or injection molding. This grade delivers consistent pearlescent visual effects and reliable thermal performance across diverse consumer electronics and automotive trim uses.
  • lubrizol pearlbond 503 thermoplastic polyurethane_7a968b75
  • lubrizol pearlbond 503 thermoplastic polyurethane_7a968b75

Features Of Lubrizol PEARLBOND 503 Thermoplastic Polyurethane

  1. Excellent melt processability for extrusion, injection molding, and blow molding.

  2. Outstanding abrasion resistance and mechanical toughness across a wide temperature range.

  3. Good adhesion to thermoplastic substrates including ABS, PC, and PP without primers.

  4. Low-temperature flexibility with retained elasticity down to –40 °C.

  5. Compliant with FDA 21 CFR §177.2600 for indirect food contact applications.

Typical Applications Of Lubrizol PEARLBOND 503 Thermoplastic Polyurethane

  1. Overmolded grips for power tools and hand-held consumer electronics.

  2. Soft-touch automotive interior trim components (e.g., knobs, armrests, control panels).

  3. Durable flexible housings for medical devices requiring sterilization compatibility.

  4. High-performance seals and gaskets in industrial fluid handling systems.

  5. Multi-material co-extruded profiles for architectural and transportation weatherstripping.

Specifications Of Lubrizol PEARLBOND 503 Thermoplastic Polyurethane

Chemical TypeAliphatic polyester-based thermoplastic polyurethane
Product FormPellets
AppearanceOpaque, off-white to light tan granules
Primary ApplicationsOvermolding, co-extrusion, flexible part fabrication
Key FeaturesMelt-processable, substrate-adherent, low-temperature flexible
BenefitsReduced need for primers or surface treatment; high cycle consistency in molding
Processing Temperature Range180–220 °C (recommended melt zone)
Regulatory ComplianceFDA 21 CFR §177.2600; RoHS compliant; REACH SVHC-free


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