Thermoplastic Elastomers (TPE) Quality Checklist
intermediate45-60 minutes0/22 completed
Ensure consistent TPE part quality with this comprehensive checklist covering incoming material verification, processing optimization, and finished part testing. Critical for automotive sealing, medical devices, and overmolding applications.
Progress0%
Incoming Material Verification
Verify Shore hardness matches specification
critical
Test melt flow rate (MFR) or melt volume rate (MVR)
high
Check moisture content before processing
high
Verify color matches approved standard
medium
Inspect pellets for contamination and uniformity
medium
Review Certificate of Analysis (COA) from supplier
high
Processing Parameter Verification
Optimize and verify melt temperature profile
critical
Set appropriate injection and hold pressures
high
Optimize cooling time for part thickness
high
Set appropriate screw speed and back pressure
medium
Monitor and minimize residence time in barrel
medium
Finished Part Quality Assessment
Verify critical dimensions and tolerances
critical
Inspect surface finish and defects
high
Test overmolding adhesion strength (if applicable)
critical
Verify compression set performance for sealing applications
high
Test tensile strength and elongation
medium
Evaluate tear resistance for flexible applications
medium
Documentation and Traceability
Document processing parameters for each batch
high
Compile and review all test results
high
Identify and segregate non-conforming parts
critical
Communicate quality results to customer (if required)
medium
Review process for improvement opportunities
low
Pro Tips
Partner with Colorado Sun Inc for consistent TPE material quality and technical support throughout your quality control process.
Establish statistical process control (SPC) charts for critical TPE properties like Shore hardness and compression set to identify trends before specifications are exceeded.
Store TPE materials in sealed containers with desiccant to prevent moisture absorption, especially in humid environments or during long-term storage.
Develop grade-specific processing windows and quality standards, as TPU, TPV, and TPE-S materials have different optimal parameters and failure modes.
Create cross-reference charts comparing TPE properties to competitive materials (silicone, thermoset rubber) to help customers make informed material selection decisions.