Specification grade elastomers

Natural rubber (NR)

• BS 1154 Grades Z40, Z50, Z60, Z70, Z80.

Nitrile rubber (NBR)

• BS 2751 Grades BA40, BA50, BA60, BA70, BA80, BA90. We also supply top quality commercial rubber grades that, on request, can be released to BS 2751: JW Grade 350C to BA40; 351C to BA50; 352C to BA60; 353C to BA70; 354C to BA80.
• BS 6996 Grades BO60, BO80.
• DTD 5594A Grades 60, 70, 80, 90 - Declared obsolescent.
• DTD 5509 Grades A, B, C, D - Declared obsolescent.

Chloroprene/Neoprene (CR)

• BS2752 Grades C40, C50, C60, C70, C80. We also supply top quality commercial rubber grades that, on request, can be released to BS 2752: JW Grade 355C to C40; 356C to C50; 357C to C60; 358C to C70; 359C to C80.

Butyl (IIR)

• BS3227 Grades B60, B70.

Ethylene-propylene terpolymer (EPDM)

• BS 6014 Grades EP60S, EP70S, EP80S.
• Elast-O-Pure® EP75 Black grade to FDA and USP for food and pharmaceutical processing.

Silicone (VMQ, MQ)

• BS F 152 Grades 50, 60, 70, 80.
• BS F 153 Grades 50, 60, 70, 80.
• Elast-O-Pure® SIL70 Translucent grade to FDA and USP for food and pharmaceutical processing.

Fluorosilicone (FMQ)

• BS F 154 Grade 60 for defence and aerospace duties where resistance to fuels and hydraulic fluids (mineral and synthetic oils) is required.

Fluoroelastomer dipolymer (FKM)

• Elast-O-Pure® GF75 Black grade, based on DuPont™ Viton® GF-600S, to FDA and USP for food and pharmacetical processing.
• DTD 5543B Grades 60, 70, 80, 90 (all in black or green colour) - Declared obsolescent.
• DTD 5612A Grades 50, 60, 70, 80, 90 (all in black or green colour) - Declared obsolescent.

DuPont™ Kalrez® perfluoroelastomer (FFKM)

We are Authorised Distributor in the UK, Ireland and France for the design, supply and technical support of sealing and fluid handling parts made from DuPont™ Kalrez®.

Various Kalrez® grades are recommended for critical or high purity sealing applications in industries:

• Food and pharmaceuticals processing: DuPont™ Kalrez® 6211 and 6230 to FDA and USP.
• Semiconductor fabrication.
• Oil, gas and petrochemical processing.
• Defence and aerospace.