Natural rubber, Thickness : 10-20mm, 20-30mm

International standard of svr 3l ( tcvn 3769:2004) 1. Dirt content,% wt. Max : 0.03 2.volatile matter, % wt. Max : 0.80 3. Ash content, % wt. Max : 0.50 4. Nitrogen cotent, % wt. Max : 0.60 5. Initial plasticity (po). Min : 35 6. Plasticity retention index (pri). Min: 60 7. Colour index. Max : 6 8. Mooney viscosity ml (1’+4’) 1000c: wooden pallets (palletized crates or wooden pallets): are made from hardwood, containing no termites and bark. Each wooden pallet will contain 1,200kg or 1,260kg. Size of pallets: length : 1,425mm width : 1,100mm height : 925 mm