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Flat Transmission Beltings are manufactured with different plies of high tensile woven fabric usually uses high quality cotton canvas as its skeleton layers. After the surface of the canvas is scrubbed and coated thoroughly, impregnated with high grade Rubber Compound to give the greatest possible "Fabric to Rubber" adhesion to prevent separation under severe flexing. And several layers of rubber canvas adherer together to form the flat rubber belt.
|Grade of cotton Duck||Tensile strength (km/cm ply)||Elongation (%)|
|34 oz||60 - 70||15 - 19|
|32 oz||55 - 59||15 - 19|
|30 oz||50 - 54||16 - 19|
|28 oz||45 - 49||16 - 19|
|26 oz||40 - 44||17 - 20|
|1. Duck Type||(34) Hard||(32) Hard||(30) Hard||(28) Hard|
|2. Nominal wt; gm/sq mts||970||920||910||860|
|3. Tensile Strength|
|4. Tensile Strength of finished belt per ply kg f/25mm|
|5. T/S per ply of finished Belting|
|(a) Wrap N/mm width||68.7||64.5||63.8||63.8|
|(b) Weft n/mm width||44.1||34.4||34.4||30|
|6. Ply Adhesion kg/f2.5cm wide strip||6.2||6.2||6.2||8.2|
|7. Power rating KW/cm/ply at belt-speed of 5 mtr/sec, for pulley dia of 250mm and 180 arc contact||0.12||0.12||0.12||0.12|