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Elastic compounds | Principal table of the compounds [1 of 5]

In these tables we have illustrated in detail (see link in table) some of the compounds that are most commonly used in the production of O-Rings specifying their availability by grades of hardness and most common use.

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Base elastomer (coding DIN/ISO 1629) Code Standard step hardness of 5°shore Colour Other colour Principal characteristics Standard used Type Approved
Acrylo-nitrile butadiene (NBR) ME0007 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No Very high nitrile, petrol resistant. Compound for use in contact with oils (even aggressive ones), diesel and unleaded petrol fuels. Scarce resistance to low temperatures. .  
Acrylo-nitrile butadiene (NBR) ME0015 40, 45, 50, 55, 60, 65, 70, 75, 80 Black No High elasticity. Compound for use in systems where an above standard spring-back is required combined with an excellent Compression Set. Ideal for automatically assembled gaskets and O-Rings. Normal resistance to temperature and oils.  
Acrylo-nitrile butadiene (NBR) ME0020 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No Very low nitrile content. Resistant to low temperatures. Compound for use at low and very low temperatures. Modest resistance to some oils and fuels.  
Acrylo-nitrile butadiene (NBR) ME0025 40, 45, 50, 55, 60, 65, 70 Black No Tear resistant, wear resistant. Compound with exceptional elasticity as well as a very high resistance to tearing and fatigue. Ideal for membranes. Also suitable for use in contact with anticryptogramic and herbicide products.  
Acrylo-nitrile butadiene (NBR) ME0035 40, 45, 50, 55, 60, 65, 70 Black No Low nitrile content. For use where good resistance to low temperatures is necessary combined with excellent physical and mechanical characteristics.  
Acrylo-nitrile butadiene (NBR) ME0055 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No Resistant to ozone and light. For use where excellent resistance to ozone and the deteriorating effect of light is required. Excellent resistance to saline mist.  
Acrylo-nitrile butadiene (NBR) ME0069 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No Eco. Standard economical compound with physical and chemical characteristics similar to compound ME0070.  
Acrylo-nitrile butadiene (NBR) ME0070 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95 Black No Standard, gas resistant. Standard compound with certified ingredients. Excellent mechanical characteristics and good resistance to temperature. Excellent compatibility with many fluids, oils and gases. Ideal for dynamic applications on pneumatic and hydraulic apparatus. EN549 CIRC102M.S. D.M.21/3/73
Acrylo-nitrile butadiene (NBR) ME0072 40, 45, 50B, 55, 60B, 65, 70B, 75, 80, 85, 90 White Yes Coloured. Non toxic compound suitable for colouring. Possibility to produce almost all RAL and PANTONE® colours as well as specimen colours. Lesser mechanical characteristics with respect to the base compound.  
Acrylo-nitrile butadiene (NBR) ME0073 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No Anti abrasion. Compound containing molybdenum bisulphide that considerably diminishes the coefficient of friction. Suitable for use in the presence of moving parts and where it is necessary to reduce friction.  
Acrylo-nitrile butadiene (NBR) ME0075 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No High nitrile content. Compound for use when good resistance to oils and fuels in general is required. Good resistance to high temperatures. Excellent physical and mechanical characteristics.  
Acrylo-nitrile butadiene (NBR) ME0081 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No Perox. Compound with peroxide acceleration. Exceptional spring-back and Compression Set. To use when it is necessary to guarantee a constant quality over time and very high efficiency.  
Acrylo-nitrile butadiene (NBR) ME0090 50, 55, 60, 65, 70, 75, 80, 85, 90 Yellow Yes Perox. Coloured compound with peroxide acceleration. The peroxide acceleration makes up extremely well for the decay of the characteristics typical of coloured compounds.  
Acrylo-nitrile butadiene (NBR) ME0995 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No For drinking water. Compound with excellent mechanical characteristics and a good Compression Set. Suitable for use in contact with hot and cold drinking water. WRC-WRAS, ACS
Acrylo-nitrile butadiene (NBR) ME0996 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90 Black No For drinking water. Compound with very good mechanical characteristics and an excellent Compression Set. Suitable for use in contact with hot and cold drinking water according to all major world standards. WRC-WRAS, ACS, NSF61, DVGW-W270, DVGWKTW


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