The following materials are used in the manufacturing of compression, injection and transfer moulding of elastic products:

NITRILE OR NITRILE BUTADIENE RUBBERS (NBR)
From 40˚ to 95˚ Shore A Hardness
Non-conductive grades
HNBR and XNBR – Special customer formulations

SILICONE RUBBERS FROM 10 TO 90˚A
Food and medical grades
Insulating grades (Powersil of Wacker)
And Fluorosilicones in 60˚ and 70˚A

NEOPRENE AND POLYCHLOROPRENE RUBBERS
From 30˚A to 85˚A

BUTYL RUBBER FROM 40˚A TO 70˚A
Special grade for Koeberg and
Non – Outgassing grades for Aerospace

EPDM RUBBER, ETHYLENE PROPYLENE DIENE MONOMER
From 35˚A to 80˚A
Industrial and Food grades
EP – Silicone Alloys ex OHIO BRASS
Supplied by McWade previously EL Bateman

FKM RUBBER
From 55˚A to 90˚A
In different grades, imported from USA, Europe and China
(Viton, Technoflon and Fluoron)

FFKM RUBBER
In hardness of 75˚A
(Fluoron – grade, similar to Kalrez)

HYPALON RUBBER, 50˚A to 80˚A
SBR RUBBER, 40˚A to 80˚A
NATURAL RUBBER, 30˚A to 90˚A
POLYSULPHIDES OR THIOKOL, ON REQUEST