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S.NO POLYMERS HARDNESS RANGE : SHORE'A' SHORE 'D'
1. NATURAL SOFT ( NR) 25 to 80 'A'
2. EBONITE 55 Shore 'D' to 85 'D'
3. TRIPLY ( Soft + Hard + Soft ) 25 to 88 'A'
4. BUTYLl ( IIR) 60 to 80 Shore 'A'
5. CHLOROPRENE (C R) 40 to 80 Shore 'A'
6. EPDM 25 to 80 Shore 'A'
7. HYPALAN ( CSPE ) 60 to 85 Shore 'A'
8. NITRILE ( NBR ) 20 to 85 Shore 'A'
9. VITION 60 to 85 Shore 'A'
10. POLYURETHANE 80 to 95 Shore 'A'

CURRING METHODS

  • Autoclave Methods
  • Open Steam Methods
  • R.T Curing Systems
  • Cold Bonding Methods