Discover the superior quality of our Ribbed Smoked Sheet (RSS), a premier natural rubber renowned for its exceptional durability, remarkable tear resistance, and extensive use in high-performance tire manufacturing.
Overview Our Ribbed Smoked Sheet (RSS) is a top-grade natural rubber, serving as a fundamental raw material for industries worldwide. Produced through a traditional process of coagulating fresh natural rubber latex and smoke-drying the sheets, this material is distinguished by its characteristic ribbed surface and amber color. It is a benchmark for quality and performance in the rubber industry, especially valued in the automotive and engineering sectors.
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Key Features & Advantages
RSS is celebrated for its excellent physical and mechanical properties. It offers outstanding tear resistance and high tensile strength, ensuring durable and long-lasting end-products. This natural rubber also provides exceptional elasticity and low hysteresis, which contributes to reduced heat buildup during dynamic operation, a critical factor in tire manufacturing.
The material's crystallization rate grants it excellent self-reinforcing characteristics, making it exceptionally tough. While it requires mastication to reduce its viscosity for easier processing, its overall processability with common vulcanizing agents like sulfur is very good. As the most common form of natural rubber, accounting for over 80% of production, RSS, particularly the RSS3 grade, is a globally trusted and widely available choice for manufacturers seeking a balance of performance and cost-effectiveness.
Performance
Grade 1 - Grade 3
Grade 4
Grade 5
Impurity content (mass fraction) remaining
on the 45 μm sieve/% ≤
0.05
0.10
0.20
Initial value of plasticity ≥
40
40
40
Plastic retention rate ≥
60
55
50
Nitrogen content (mass fraction)/% ≤
0.6
0.6
0.6
Volatile matter content (mass fraction)/% ≤
0.8
0.8
0.8
Ash content (mass fraction)/% ≤
0.6
0.75
1.0
Tensile strength/MPa ≥
19.6
19.6
19.6
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