Elastic response
Supports flexible features that recover after bending or compression within the selected grade's range.
Elastomer material
TPU Manufacturing and Custom Parts
A flexible thermoplastic used for protective boots, seals, grips, and resilient molded parts.
- Flexible
- Abrasion resistant
- Impact absorbing
Material overview
Flexible protective geometry with abrasion and impact potential.
TPU is considered for protective boots, seals, bumpers, cable reliefs, grips, and resilient interfaces that need more durability than a soft decorative material. Grades span a broad range of hardness and chemistry, so TPU should not be specified as a single generic behavior.
The molding route depends on flow length, wall thickness, venting, shrink, moisture control, and whether the TPU must bond to a rigid substrate. Adhesion claims should be based on the exact material pair and trial results.
Key properties
Performance characteristics translated into manufacturing decisions.
Abrasion potential
Often reviewed for boots, rollers, and protective interfaces exposed to rubbing or handling.
Impact damping
Useful for bumpers and protective features that soften contact between assemblies.
Process flexibility
Can be molded, overmolded, or additively manufactured with route-specific performance.
Suitable processes
Manufacturing routes for this material.
Compatible Surface Finishes
Surface options reviewed with the base material.
Typical applications
Common TPU part families.
Protective boots
Overmolded seals
Cable strain reliefs
Impact bumpers
Soft rollers
Flexible equipment covers
Design considerations
Control the features that affect function and process stability.
G 01
Specify hardness and functional deflection rather than only 'soft'.
G 02
Use mechanical locks when chemical adhesion is uncertain.
G 03
Keep wall transitions smooth and provide venting at flow ends.
G 04
Identify sealing compression, repeated flexing, and chemical exposure.
Limitations
Requirements that need engineering review.
- Moisture control can be important during processing.
- Hardness alone does not define abrasion, rebound, or chemical behavior.
- Long thin flow paths and trapped air can complicate molding.
- Adhesion to inserts or rigid plastics cannot be assumed.
RFQ checklist
Material details to include in the quotation package.
Clear requirements help engineering, finishing, inspection, and purchasing review the same target.
- 01State hardness, chemistry family, color, and any UV or hydrolysis requirement.
- 02Molded and printed TPU are not automatically performance-equivalent.
- 03Overmold adhesion needs an approved material pair and interface test.
Related parts
Representative geometry from the parts gallery.
The gallery distinguishes TPU, TPE, and mixed-material examples. Confirm the exact elastomer chemistry for each interface before tooling approval.
Related materials
Compare adjacent material options before freezing the drawing.
FAQ
TPU questions from engineering and sourcing teams.
Is TPU the same as TPE?
TPU is a specific thermoplastic polyurethane family within the broader thermoplastic elastomer category. Chemistry, hardness, wear, and adhesion can differ by grade.
Can TPU be overmolded onto metal or plastic?
Potentially. Reliable retention may use chemical adhesion, mechanical locks, or both. The exact substrate, TPU grade, surface, and molding sequence must be tested.
What TPU information is required for a quote?
Provide the specified grade or functional needs, hardness, color, substrate, bonding expectation, quantity, environment, cosmetic surfaces, and any validation requirement.
Start your RFQ
Upload your drawings and receive an engineer-reviewed quotation.
Share the material, process, quantity, finish, critical requirements, and delivery needs. contact@kewei-kw.com / +86-13929495765