Ensuring the Performance of Recycled Rubber: The Importance of Precise Testing

Why Your Recycled Rubber is Failing - And How Precision Testing Can Fix It

At Great Win, we've worked with 37 footwear manufacturers who switched to recycled rubber - only to face unexpected product failures, customer complaints, and wasted materials. The culprit? Inconsistent material properties that standard testing methods miss.

The Recycled Rubber Reality Check

Recycled rubber isn't like virgin material. Batch-to-batch variations in:

• · Cross-link density (up to 28% variance)

• · Contaminant levels (metal, fabric, other polymers)

• · Degradation from previous service life

...can turn your sustainability initiative into a quality nightmare.

Case in point:

A major sneaker brand recalled 120,000 pairs last year when recycled outsoles cracked prematurely. Their existing hardness tester showed passing results - but didn't detect critical fatigue resistance issues.

Why Standard Rubber Testing Equipment Fails With Recycled Materials

Most lab equipment was designed for virgin rubber. We've found three critical gaps:

1.False Positives on Hardness Tests

• Recycled rubber often tests within Shore A specifications

• But filler distribution irregularities cause premature failure

2.Missed Contamination Issues

• Traditional tensile testers can't detect micro-contaminants

• These create weak points under dynamic loading

  3.Incomplete Aging Data

• Recycled material degrades differently

• Standard ozone chambers don't replicate real-world conditions

Our Solution: Recycled-Specific Rubber Testing Protocols

After 8 years of testing recycled materials, we developed the R-Test System - the first equipment package specifically engineered for recycled rubber validation:

1. Multi-Axis Fatigue Tester

• Simulates combined compression/torsion/slip movements

• Detects failure patterns unique to recycled materials

• Reduces warranty claims by up to 65%

2. Contaminant Detection Module

• Uses micro-vibration analysis during tensile tests

• Identifies hidden inclusions as small as 0.3mm

3. Enhanced Environmental Chamber

• Accelerated aging with UV/ozone/moisture cycling

• Predicts 5-year performance in 12 weeks

Real-World Results

Footwear Manufacturers:

• 42% reduction in sole failures after implementing our dynamic flex tester

• Achieved 100% pass rate on recycled content certifications

Automotive Suppliers:

• Cut material rejection rates from 18% to 3%

• Qualified 40% post-consumer content without performance loss

The Great Win Advantage

We don't just sell equipment - we provide recycled material success packages:

✅ Free initial material evaluation
✅ Custom testing protocols for your specific blend
✅ Ongoing calibration optimized for recycled rubber

Proven ROI:

• 9-14 month payback period

• 30-50% reduction in quality incidents

• Faster approval for recycled content claims

Take the Guesswork Out of Recycled Rubber

Stop risking your reputation on incomplete test data. Our equipment gives you:
✔ Confidence in material consistency
✔ Proof of performance for sustainability claims
✔ Protection against costly failures

Contact our recycled materials team today for a free assessment of your testing gaps.

[86-13296639265]
[Vincent-zhong@greatwin-test.com]

Great Win - Making Sustainable Rubber Reliable