60 shore A natural gum rubber sheet natural black sheet latex rubber sheet Product Name: Rubber mat Dimensions: customrized Density:1.2g/cm3 Tensile strength: 16MPa Hardness:50+/-5shore A Elongation: 600% Application: good flexibility, for punching seals, washer etc. Natural gum rubber sheet has high tensile and elongation characteristics along with superior abrasion resistance. Also for applications requiring a soft rubber seal. Conforms to irregular flanges with bolt heads. Resists most organic salts, acids, alkalis, and ammonia. Non-marking gum rubber material has an excellent tear strength and is a resilient type of rubber that doe