ASA (Acrylonitrile-Styrene-Acrylate) vs TPU (Thermoplastic Polyurethane): 0% composition overlap. Significantly different materials serving different application areas.
ASA (Acrylonitrile-Styrene-Acrylate) vs TPU (Thermoplastic Polyurethane)
Side-by-side chemical composition and mechanical property comparison.
Overview
ASA (Acrylonitrile-Styrene-Acrylate)
UV-resistant alternative to ABS — acrylic rubber replaces butadiene for excellent weatherability. Retains color and gloss outdoors for years without coating. Similar mechanical properties to ABS but with 10× better UV resistance. Trade names: Luran S (BASF/INEOS), Geloy (SABIC). Used for automotive exterior trim, outdoor electrical housings, garden furniture, and building cladding.
TPU (Thermoplastic Polyurethane)
Thermoplastic polyurethane elastomer — bridges the gap between rubber and rigid plastics. Exceptional abrasion resistance, high elongation (300-700%), and good oil/grease resistance. Available in wide hardness range (60 Shore A to 74 Shore D). Ester-based: better oil resistance. Ether-based: better hydrolysis/microbial resistance. Major trade names: Elastollan (BASF), Desmopan/Texin (Covestro), Estane (Lubrizol). Used for seals, hoses, cable jackets, shoe soles, phone cases, wheels/rollers, and 3D printing filament.
| ASA (Acrylonitrile-Styrene-Acrylate) | TPU (Thermoplastic Polyurethane) | |
|---|---|---|
| Material Number | — | — |
| Category | Polymers | Polymers |
| Standard | ISO 6402 | ISO 527-1 |
Chemical composition (wt%) — Pro
| Element | ASA (Acrylonitrile-Styrene-Acrylate) | TPU (Thermoplastic Polyurethane) | Overlap |
|---|---|---|---|
| Acrylonitrile | 20–30% | — | — |
| Styrene | 40–60% | — | — |
| Acrylate Elastomer | 15–30% | — | — |
| Diisocyanate (MDI/TDI) | — | 20–45% | — |
| Polyol (Polyester/Polyether) | |||
| Chain Extender (BDO/HDO) |
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Sign up free — 3 comparisons/day freeMechanical properties — Pro
| Property | ASA (Acrylonitrile-Styrene-Acrylate) | TPU (Thermoplastic Polyurethane) | Unit |
|---|---|---|---|
| Tensile Strength | 40–55 | 30–50 | MPa |
| Elongation | 15–35 | 400–700 | % |
| Elastic Modulus | 2200–2600 | 10–100 | MPa |
| Density | |||
| hardness_shore_a |
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Sign up free — 3 comparisons/day freeCompatibility Assessment
ASA (Acrylonitrile-Styrene-Acrylate) and TPU (Thermoplastic Polyurethane) have significantly different compositions (0% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is ASA (Acrylonitrile-Styrene-Acrylate) the same as TPU (Thermoplastic Polyurethane)?
ASA (Acrylonitrile-Styrene-Acrylate) and TPU (Thermoplastic Polyurethane) have a 0% composition overlap. They are generally not directly interchangeable.
Can I replace ASA (Acrylonitrile-Styrene-Acrylate) with TPU (Thermoplastic Polyurethane)?
Generally not recommended. The compositions differ significantly (0% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between ASA (Acrylonitrile-Styrene-Acrylate) and TPU (Thermoplastic Polyurethane)?
The main differences are in the following elements: overall alloying content. ASA (Acrylonitrile-Styrene-Acrylate) is a Polymers grade, while TPU (Thermoplastic Polyurethane) is a Polymers grade.
View full data for each material:
Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.