Hongwo Sealing Sheet
Quantum Leap in Elastomer Technology
Engineered after 37 compound iterations, this ozone-resistant EPDM rubber sheet delivers unmatched cost-performance synergy for industrial applications26.
Superior Weather & Chemical Resistance
- Accelerated Aging Performance: Only 12% tensile strength loss after 1,000hrs at 121°C (ASTM D573)—23% better than industry averages via optimized 68:31 ethylene-propylene ratio
- Enhanced Formulation: 5.2% diene monomer boosts oil resistance by 18% while maintaining flexibility down to -58°C, surpassing rated limits
Technical Specifications Deep Dive
Technical Specifications Deep DiveMaterial Science Innovations
- Mooney viscosity: ML(1+4)125°C = 55±3 (Q3-2024 avg: 54.8)
- Vulcanization profile: ts2 = 2.1min, t90 = 8.3min @ 160°C
- Reinforcement: 28% N550 carbon black loading for balanced durability
Performance Metrics
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | 16.7-17.3 MPa | ASTM D |
| Elongation at Break | 420±5% | ISO |
| Tear Resistance | 38 kN/m | ASTM D624 Die C |
| Thickness tolerance optimized to ±0.18mm—delivering 97% performance at 82% cost efficiency |
Real-World Application Excellence
Roofing Membranes
- Withstands 15-year accelerated weathering (EN 1297), showing only 0.03mm surface erosion; 0% chloride content prevents coastal corrosion
Automotive Seals - Shore A 70±5 hardness ensures squeak-free operation after 100,000+ cycles, with 0.28mm/yr wear rate in harsh climates
Smart Procurement Advantages
- Food-contact compliance (FDA 21 CFR 177.2600) at 0.12% max extractables—costs 14% less than competitors’ over-spec’d alternatives
- 98% UV blockage via carbon black dispersion, eliminating titanium dioxide surcharges
ROI-Driven Engineering: From gaskets to heavy-duty sheeting, Aohong’s EPDM solutions maximize value through intelligent formulation.
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