Svr3 is made from latex in rubber plantation in binh phuoc province. It is used for the products which have light colour, require high quality such as: electricity cable wire, belt, sole of shoes, medical products, electrical engineering, ... Technical specifications of svr under tcvn: 3769 : 2004 Tcvn: viet nam exporting of natural rubber standard Properties Svr 3l - dirt content, % wt, max 0.03 - ash content, % wt, max 0.50 - nitrogen content, % wt, max 0.60 - volatile matter, % wt, max 0.80 - initial plasticity (po), min 35 - plasticity retention index (pri), min 60 - colour index, max 6 - mooney viscosity ml (1 + 4) 100c - cure r