Tanzania factory high quality SVR20 natural rubber best price molding grade

SVR 20 is a high quality technical rubber with strict requirements on dirt content, ash content, nitrogen content, volatile matter content, plasticizer (PO), and plasticity retention index. (PRI) …

Contaminant content remaining on 45m sieve, % m/m, not greater than: 0.16
Ash content, % m/m, not greater than: 0.80
Nitrogen content, % m/m, not greater than: 0.60
Volatile content, % m/m, not more than: 0.80
Final ductility (Po), not less than: 30
Retention index (PRI), not less than: 40
Lovibond Color Index, singly, not more than: –
Viscosity Mooney ML (1′ + 4′) 1000C: –

2. Usages

SVR 20 is a type of rubber that is quite hard in nature because it is produced from coagulated latex, mixed latex and adds a separate production process to it. Therefore, in tire technology, this type of rubber is used mixed with low-grade RSS and CV50 to produce high-quality finished products.

In addition, it also combines with latex grades to create a GP (general purpose) product that meets the basic requirements of tire technology.

Besides, it is also used in: tire retreading industry, transport impact cushioning products, railway rubber.