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  Your are in: Home > Rubber SEALING > SILICONE RUBBER VMQ 60 GASKETS
 

 SILICONE RUBBER VMQ 60 GASKETS

SILICONE RUBBER VMQ 60 GASKETS

FDA-ANPASSAD KVALITET TRANSP. MED TALK

 

5404351979-00N

ASTM D1418 DesignationNBRSBR, BRIIRCREPM, EPDMFKMFSI, FVMQHNBRNR / IRACMSi, VMQ, MQ, MQ, PVMQ

Elastomer Buna-N (Nitrile) Butadiene, Styrene Butadiene Butyl Chloroprene (Neoprene®) Ethylene Propylene Fluorocarbon (Viton®) Fluorosilicone Hydrogenated Nitrile Natural Rubber / Isoprene Polyacrylate Silicone
Brief Summary Nitrile has good mechanical properties and high wear resistance relative to other elastomers. Unless they are specially compounded, nitrile is not resistant to weathering, sunlight and ozone. SBR is similar to natural rubber. SBR is mostly used in tires and seals for non-mineral oil based applications. Butyl has a very low permeability rate making it a great seal under vacuum. Butyl also has good electrical, shock dampening properties. Neoprene® exhibits good oil, ozone, weather, aging, refrigeration and chemical resistance. It also has good mechanical properties over a wide temperature range. Ethylene Propylene Copolymer has excellent resistance to phosphate ester fluids (Skydrol), brake fluids (glycol base), steam, weather, and ozone. Responds very well with resistance to ozone, high temperatures, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. The universal O-ring. Has excellent resistance to petroleum oils and fuels. Fluorosilicone has limited strength and abrasion resistance so it is generally recommended for static applications only. HNBR has excellent abrasion, compression set, tensile, and tear properties. Unlike standard nitriles, HNBR resists ozone, sunlight, and other atmospheric environments. Natural Rubber / Isoprene has excellent dynamic properties. However, it does not do well with petroleum oils, sunlight and ozone. Polyacrylate is used in applications such as transmissions or anything where there is petroleum oils and high temperature. Highly resistant to ozone and weathering. Silicon exhibits great temperature range capabilities. Silicones also has good resistance to ozone, weather and is also a good insulator. However, it has low tensile, tear and wear resistance.
Economy (Cost) 1 1 3 2 1 3 4 4 2 3 3
Tensile Strength 1.5 1.5 2 2 1.5 1.5 3.5 1 1 3 4
Maximum Elongation (%) 600 600 800 600 600 300 600 340 700 600 800
Min Hardness (Shore A) 40 40 40 40 40 50 50 50 40 40 25
Max Hardness (Shore A) 90 90 80 90 90 95 80 90 90 90 80
Resilience/
Rebound
2 2 4 1.5 2 2.5 2 - 1 3 2.5
Compression Set 1.5 1.5 2.5 2.5 1.5 1.5 1.5 1.5 2 3 1.5
Adhesion to Metals 1.5 1 2 1.5 2.5 2.5 2.5 1.5 1 2 2
Abrasion Resistance 2 1.5 2.5 2 1.5 2 4 1.5 1 2 4
Tear Resistance 2 2 2 2 1.5 2.5 4 2 1.5 2.5 4
Weather Resistance 3 3 1.5 1 1 1 1 2 3.5 1 1
Ozone Resistance 4 4 1.5 1.5 1 1 1 2 4 1 1
Dynamic Properties 1.5 2.5 3 3 1.5 1.5 4 1.5 1 3 4
Electrical Properties 3 2 2 3 2 3 1 3 2 3 1
Water Swell Resistance 2 1.5 1.5 2.5 1 2 2.5 1 1 4 2
Steam Resistance 4 4 2 4 1 4 4 1 4 4 3.5
Flame Resistance 4 4 4 2 4 1 2 4 4 4 3
Gas Impermeability 1.5 2.5 1 1.5 2 1.5 4 2 3 1 4
Chemical Resistance 2.5 2.5 1 2.5 1 1 1 2.5 2.5 4 1.5
Acid Resistance 2.5 2.5 1.5 2.5 2 1 2.5 1 2.5 4 2.5
Alkali Resistance 2 2.5 1.5 1.5 1 2.5 - 1 1.5 4 1
Alcohols 1.5 1.5 1 1.5 1 2.5 2 1 2 4 1.5
Lubricating Oils (Petroleum) 1 4 4 2 4 1 1.5 1 4 1 3
Aliphatic Hydrocarbons 1.5 4 4 3 4 1 2.5 1.5 4 2.5 4
Aromatic Hydrocarbons 4 4 4 4 4 1 2.5 3.5 4 4 4
Halogenated Hydrocarbons 3.5 4 4 4 4 1 3.5 4 4 3.5 4
Phosphate Ester (Skydrol) 4 4 2 4 1 4 3.5 - 4 4 4
Polar Solvents (Keytones) 4 4 2 4 1 4 4 4 2.5 4 4
                       
Key: 1: Excellent
2: Good
3: Fair
4: Poor
                   

                    

 
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