Supply Of Heavy Duty Natural Rubber Sheet Black Size 2000X1000X25 Mm, Technical Requirement- Tensile Strength: Min. 3.0 Mpa, Elongation At Break: Min. 250 Percent , Specific Gravity: 1.55 Gm/Square Cm.(/- 0.5), Hardness 70/-5, Temperature Range: 0 To 60 Degree And Surface Composition: Both Side Plain. Note:- Test Certificate From Nabl/Govt. Approved Source To Be Supplied Along With The Material.