Ribbed smoked sheet, grade 1
RSS1
RSS1 is a high-grade natural rubber known for its purity, strength and flexibility.
- Type
- Ribbed smoked sheet
- Grading
- Visual — highest RSS grade
- Supplied as
- Pressed sheet bales
Read the overview
01Overview
Why manufacturers choose RSS1
It is extensively used in tire manufacturing, industrial products, medical equipment and engineering applications thanks to its superior durability and performance. Processed with strict quality control, RSS1 offers minimal impurities, high tensile strength and excellent elasticity — a reliable choice for industries that need long-lasting, high-performance rubber.
Purity, elasticity & resilience
RSS1 is processed with minimal impurities, ensuring superior elasticity, tensile strength and resilience. This makes it ideal for high-performance applications such as tires, conveyor belts and industrial seals, where flexibility and strength are critical.
Built to endure
Engineered for excellent abrasion, heat and weather resistance, RSS1 maintains its durability and elasticity over extended use — ensuring longevity in demanding environments like automotive, heavy machinery and aerospace.
With its high purity and superior durability, RSS1 is a preferred choice for industries requiring strong, flexible and long-lasting natural rubber.
02Grading criteria
RSS1 at a glance
Ribbed smoked sheets are graded visually under the International Standards of Quality and Packing for Natural Rubber Grades (the “Green Book”). RSS1 is the highest RSS grade.
- Dry, clean, strong, sound and uniform rubber
- Free of blemishes, rust, blisters, sand, dirty packing and foreign matter
- Only small, well-dispersed pinhead bubbles are permitted
- The benchmark sheet grade for premium, high-stress applications
Need lot-specific data or a technical data sheet? Ask our sales team.
03Applications
Where it performs.
RSS1 is trusted across a wide range of end-use products.
- Tire manufacturing
- Industrial products
- Medical equipment
- Engineering applications
- Conveyor belts
- Industrial seals
Explore more
Other grades
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RSS · Ribbed smoked sheet
RSS3
A versatile, cost-effective grade for tire manufacturing, rubber products and adhesives.
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