Natural rubber - Specification Grades

Natural rubber NR: Specification Grades for high-integrity duties

• BS 1154 Grades Z40, Z50, Z60, Z70, Z80 and Y40, Y50, Y60
• Def Standard 22-6 (NES 2006) Grades OZ40, OZ50, OZ60, OZ70, OZ80 - all in black. (This standard is now declared obsolescent).