SainSmart 87A TPU Filament – Transparent, Flexible & Durable for 3D Printing SainSmart 87A TPU filament is a high-quality flexible 3D printing material designed for both functional parts and creative projects. With its transparent finish, 87A Shore hardness, and excellent resilience, it delivers prints that are durable, impact-resistant, and versatile. Whether you’re producing shoe soles, phone cases, industrial components, or DIY designs, this filament ensures smooth printing performance and long-lasting results. Features Filament Diameter: 1.75 mm Shore Hardness: 87A Density: 1.12 g/cm³ Weight per Spool: 1 kg Packaging: Vacuum-sealed with desiccant Material Advantages TPU (Thermoplastic Polyurethane) is a subclass of thermoplastics, combining strength and flexibility. Compared to generic TPE, TPU is more rigid, durable, and abrasion-resistant. Offers excellent bed adhesion, minimal warping, and high transparency. Performance Benefits High resilience & mechanical strength (bending, tension, compression). Abrasion, chemical, and aging resistance. Waterproof, cold-resistant, and UV-resistant (anti-yellowing, withstands sun exposure). Softer than TPU-95A, but stronger than elastic filaments. Wide Applications Footwear & soles (sports shoes, golf shoes, prototypes) Machinery & automotive parts Phone cases & electronic accessories Conveying pipelines Sporting goods DIY & industrial arts Printing Tips Drying: 55 ℃ / ≥4h before printing (use dry box recommended). Extruder: Direct extruder with two-wheel reduction recommended; remote extruder not suitable. Nozzle care: Clean regularly with cleaning filament; replace nozzle/throat if needed. Technical Parameters Category Value Density 1.12 g/cm³ Tensile Strength 52 MPa Elongation at Break 500% Durability 9/10 Printability 6/10 Extruder Temperature 220–250 ℃ (Recommended: 240 ℃) Bed Temperature 45–60 ℃ Fan Speed 100% Printing Speed 20–50 mm/s Heated Bed Optional Recommended Build Surfaces Masking paper, PVP solid glue, PEI Package Includes 1 × SainSmart 87A TPU Flexible Filament (1.75 mm, 1 kg spool)
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