COVER GRADE CHARACTERISTICS APPLICATION COVER GRADE CHARACTERISTICS AND APPLICATION PHYSICAL PROPERTIES General Purpose Belting Standard Before Ageing Temperature of Ageing °C Duration of Ageing hrs. After Ageing Maximum Abrasion Loss mm3 Tensile Strength MPa Elongation % Change In Tensile Strength % Change in Elongation % GRADE M-24 This Grade is recommended for conveying heavy, sharp, highly abrasive materials like metallic ores, granite, lime stone, coal, Blast furnace slag & clinker etc IS 1891 PART-I BS 490 PART-I ISO 4195/1 DIN 22102 24 450 70 72 +10 -20 +10 -25 150 GRADE N-17 Recommended for conveying less severe and moderately abrasive material like sized coal, ash, chalk, bauxite etc IS 1891 PART-I BS 490 PART-I ISO 4195/1 DIN 22102 17 400 70 72 +10 -20 +10 -25 200 GRADE N-17 SYNTHETIC Composed of Synthetic Rubber mainly, this grade is suitable for arduous application as M-24 and has similar wear resistance IS 1891 PART-I 17 400 70 72 +10 -20 +10 -25 150 HEAT RESISTANT BELTING GRADE HR(T-1) This grade is recommended for conveying hot material and suitable for fines up to 100°C and coarse material up to 125°C IS 1891 PART-II 12.5 350 100 72 -25 -40 200 GRADE HR (T-2) / SHR This grade is recommended for conveying hot material and suitable for fines up to 125°C and lumps up to 150°C. IS 1891 PART-II 12.5 350 125 72 -35 -50 250 PYROSHIELD Pyroshield 200 Deg C Pyroshield 220 Deg C Pyroshield 250 Deg C Pyroshield 300 Deg C Proprietory 12.5 300 150 72 -35 -50 250 FIRE RESISTANT BELTING GRADE FR Having fire resistance and antistatic properties, this grade is recommended for use where a fire hazard exists e.g. Thermal Plants. Underground Mines. CSA-M422-M87 IS 1891 PART-V DIN-22103/ISO 340 17 350 70 72 +10 -20 +10 -25 175 OIL RESISTANT BELTING GRADE OR Composed of Synthetic Rubber Compounds this grade is resistant to mineral, vegetable, animal oils and fats. IS 1891 PART-III 12 250 70 72 +35 +35 NOT SPECIFIED HYGIENIC BELTING GRADE HYGIENIC This cover grade is specially designed with nontoxic Rubber Compounds for use in the food processing, pharmaceutical Industry. IS 1891 PART-IV 10 350 70 72 +10 -20 +10 -45 NOT SPECIFIED
