Are you struggling with these pain points in industrial sealing, shock absorption and insulation?
Most products on the market are homogeneous with mediocre tear resistance-easily crack, break or fail under repeated stretching, vibration or dynamic stress.
Big-brand high-performance silicone sponges cost a fortune, increasing your procurement budget by 30-50%.
You need a different solution that balances superior performance and reasonable price, but options are scarce.
Introducing Sanpu silicone's UltraTough® High-Tear Silicone Sponge
As a professional manufacturer with years of R&D experience, Sanpu Silicone breaks the market dilemma: we offer silicone sponge with better tear resistance and higher temperature resistance than peers, but at a competitive price that won't break your budget. Today, let's focus on our core advantage-extreme tear resistance-designed to solve your most frustrating performance issues.
UltraTough® High Tear Silicone Sponge-a high-tear-resistant foam silicone-combines exceptional tensile toughness, superior insulation and sealing performance, and long-lasting flame-retardant stability. Specifically engineered for industrial applications with high vibration and stringent reliability requirements, it serves as the "invisible guardian" ensuring the safe operation of industrial equipment.
Core Performance:
- Ultra-high tear resistance: Resists tearing and splitting under heavy load, sharp edges, or repeated flexing.
- Excellent tensile & elongation: Maintains integrity even under significant stretching.
- Low compression set: Bounces back reliably after long-term compression; no permanent collapse.
- Uniform closed-cell structure: Consistent density, smooth surface, stable sealing performance.
- Wide temperature stability: -60°C to 250°C continuous; bear 280℃*72hrs.
- Abrasion & aging resistant: Withstands repeated friction, ozone, UV, and harsh environments.
- Lightweight yet strong: Lower density than rubber, reduces part weight without sacrificing strength.
- Cost-Effective Alternative: Same or better performance than premium brands, but 30-50% lower price-helping you save procurement costs without compromising quality.
Technical Data Sheet (Typical Values)
Item name: Closed Cell High Tear Strength Silicone
Density: 0.55–0.65 g/cm³
Hardness: 15–40 Shore A (customizable)
Tear Strength: ≥ 35 kN/m
Tensile Strength: ≥ 1000 kpa
Elongation at Break: ≥ 250%
Continuous Temp: -60°C ~ 250°C
Short-term Peak Temp: 315°C (HT grade)
Flammability: UL94 V-0
Water Absorption: ≤ 3%
Core application scenario
Traction motor insulation pad/ Sheldon Control Cabinet Sealing Gasket/ Air Conditioning System Shock Absorber/ Electronic compartment shock pad
Honor and qualification
Official certification, professional after sales service.
ROHS Certificate (closed cell silicone foam)
V-0 Certificate
FDA Certificate
ROHS Certificate (open cell silicone sponge)
REACH Certificate
Our factory & quipment
"Pursue excellence with a down-to-earth attitude"
Get Your Custom Solution Today!
Every application has unique requirements-we're here to help you find the perfect fit.
✅ Free 1-on-1 Technical Support: Our engineers will analyze your specific scenarios (sealing, shock absorption, insulation, etc.) and recommend the optimal product specifications.
✅ Free Samples Available: Test UltraTough® high-tear silicone sponge in your actual working environment before bulk ordering-verify performance for yourself.
✅ Fast Customization & Delivery: In-stock items ship within 2 working days; custom orders (thickness, width, adhesive backing, color) delivered in 15 working days .
Don't settle for ordinary silicone sponge that lets you down. Upgrade to UltraTough® High-Tear Silicone Sponge-your reliable, cost-effective solution for high-performance needs.
👉 Contact us now via email (ulawang@spsilicone.com) or the form below to claim your free sample and technical consultation!
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