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Cover Grades

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
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