| Hardness selection | Multiple hardness options, including rigid-feeling TPU grades; the available range depends on the product family. | Grade-specific Shore hardness, test method, specimen details, and test conditions. ASTM D2240 and ISO 868 are commonly used hardness methods. | Hardness affects feel, flexibility, impact response, and component fit. |
| Processing compatibility | Grades designed for processes such as injection molding or extrusion; not every grade is suitable for every process. | Processing guide covering drying, recommended melt-temperature range, mold or die guidance, and any grade-specific limitations. | Process-matched material can help reduce defects and improve production consistency. |
| Mechanical-property data | Technical data for properties such as tensile strength, elongation, tear strength, and compression set, where measured for the grade. | Current grade-specific test reports, including the method and specimen conditioning. ASTM D412 or ISO 37 are commonly used for tensile properties. | The application’s load, deformation, and service-life requirements should be matched to measured properties. |
| Abrasion and wear options | Wear-oriented grades may be available for parts subject to rubbing or repeated contact; performance is formulation- and test-dependent. | Abrasion results with the test method and conditions stated. ISO 4649 is a commonly used method for determining abrasion resistance of rubber and elastomeric materials. | Results from different methods or conditions should not be treated as directly equivalent. |
| Environmental resistance | Grade choices may differ in resistance to moisture, heat, oils, chemicals, or UV exposure; performance depends on the TPU chemistry and conditions. | Application-relevant test data, exposure conditions, and written limitations for the specific grade. | A generic “resistant” claim is not a substitute for testing against the buyer’s actual environment. |
| Color and customization | Depending on the supplier, options may include natural or colored material, additive packages, and customized formulation or specifications. | Written confirmation of color tolerance, minimum order quantities, lead time, and whether customization changes the tested properties. | Customization can affect cost, supply timing, appearance, and material performance. |
| Quality and traceability | Documented quality controls and batch identification are important capabilities to assess for repeat orders. | Quality-system documentation, certificate of analysis where available, lot traceability, and a process for handling nonconforming material. | Helps buyers assess consistency between qualification samples and production batches. |
| Regulatory documentation | Documentation may be available for particular applications or markets, but applicability depends on the exact grade and end use. | Current declarations and test reports tied to the exact grade, color, and intended application; verify requirements for the destination market. | Compliance status should be confirmed for the finished product and relevant regulations, not inferred from the polymer family alone. |
| Global supply support | Export support, regional distribution, and supply continuity may differ by supplier, product, and location. | Quotation with delivery terms, production and shipping lead times, packaging details, origin documentation, and contingency arrangements. | Total landed cost and reliable replenishment depend on logistics as well as the quoted material price. |