Silicon O-ring 70 Shore A

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What is VMQ Silicones?

VMQ Silicones is a group of elastomeric materials made from silicones, oxygen, hydrogen and carbon. As a group, silicones have poor tensile strength, tear resistance and abrasion resistance. Special compounds have been developed with exceptional resistance to heat and pressure changes. High-strength compounds have also been made, but their strength is not comparable to conventional rubber.
 
The compounds:
Some special compounds withstand even higher temperatures.
Silicone compounds are very clean and are used in many food and medical applications because they do not give off odor or taste. Silicone compounds are not recommended for dynamic sealing applications due to the relatively low tear strength and high coefficient of friction.
 
Siicones can be formulated to be electrically resistant, conductive or flame retardant. Many silicone compounds have a higher shrinkage than normal. That is why production molds for silicone products are often different from molds for nitrile.
 
Characteristics of silicone compounds:
• Extreme temperature range
• Low temperature flexibility
 
VMQ benefits:
• Excellent resistance to extreme temperatures from -50 °C to + 232 °C (-58 °F to + 450 °F)
• The retention of properties of silicone at high temperatures is superior to most other elastic materials.
• Resistant to hot air, ozone, UV radiation, engine and transmission oils, animal and vegetable fats and oils and brake fluids.
• Low resistance
• Stays stable in extreme environments
• Material properties remain the same over a wide temperature range
• High temperature resistance
• Extremely suitable for industrial applications
• The rubber with the largest temperature range (-100 °C to more than +300 °C) phenyl silicone rubber
• Superior aging and ozone resistance
• High electrical insulation values
• Wide range of chemical resistances
• Good compression set at higher temperatures
• Restituent for bacteria and fungi
• 54 to 232 °C
• Resistant to oxygen ozone and UV light
• Silicones are generally non-reactive, odorless, tasteless, non-toxic and antifungal. They have also set a high level of flexibility and low compression.
 
Cons of VMQ:
Low resistance to mineral oils
Silicone rubber is difficult to attach
Poor gas density
Non-resistant to hydrocarbon, based fuels, aromatic hydrocarbons, low molecular weight silicone oils, strong acids and alkalis.
It is known as a mechanically weaker
Poor mechanical performance, sensitive to shear forces and therefore not suitable for dynamic or rotating closure applications.
 
What is it used for?
  • Medical industry
  • Pharmaceutical industry
  • Food industry
  • Stimulant industry
 
History of VMQ silicone
In 1943, Dow Corining (a collaboration of Dow Chemicals and the Corning Glass Company) was the first to produce silicone rubber. Moments later General Electric followed with the production of silicone rubber. They patented their production method.
 
Trade Names:
KE® (Shin-Etsu Silicones), Silastic® (Dow Corning Corp.), Silplus® (Momentive Performance Materials Inc.), Tufel® (Momentive Performance Materials Inc.)
Momentive Performance Materials Inc.)
30143 products
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ProductDimensionsMaterialHardness (Shore A)CertificationStock
O-Ring 11.8x3 Silicone (VMQ) - 70 Shore A - Red - ses-305460 O-ring Red11.8 X 3Silicone (VMQ)70 Shore ANee52 icon
O-Ring 18x9.5 Silicone (VMQ) - 70 Shore A - Red - ses-103987 O-ring Red18 X 9.5Silicone (VMQ)70 Shore ANee60 icon
O-Ring 11.89x0.81 Silicone (VMQ) - 70 Shore A - Red - ses-408357 O-ring Red11.89 X 0.81Silicone (VMQ)70 Shore ANee51 icon
O-Ring 18x2.8 Silicone (VMQ) - 70 Shore A - Red - ses-103976 O-ring Red18 X 2.8Silicone (VMQ)70 Shore ANee59 icon
O-Ring 11.94x1.02 Silicone (VMQ) - 70 Shore A - Red - ses-489121 O-ring Red11.94 X 1.02Silicone (VMQ)70 Shore ANee54 icon
O-Ring 23.01x0.99 Silicone (VMQ) - 70 Shore A - Red - ses-489254 O-ring Red23.01 X 0.99Silicone (VMQ)70 Shore ANee54 icon
O-Ring 106x4.75 Silicone (VMQ) - 70 Shore A - Red - ses-411844 O-ring Red106 X 4.75Silicone (VMQ)70 Shore ANee52 icon
O-Ring 4.8x1.3 Silicone (VMQ) - 70 Shore A - Red - ses-103275 O-ring Red4.8 X 1.3Silicone (VMQ)70 Shore ANee50 icon
O-Ring 35.97x2.62 Silicone (VMQ) - 70 Shore A - Red - ses-489328 O-ring Red35.97 X 2.62Silicone (VMQ)70 Shore ANee55 icon
O-Ring 12x2.65 Silicone (VMQ) - 70 Shore A - Red - ses-410119 O-ring Red12 X 2.65Silicone (VMQ)70 Shore ANee58 icon
O-Ring 75x16 Silicone (VMQ) - 70 Shore A - Red - ses-105771 O-ring Red75 X 16Silicone (VMQ)70 Shore ANee52 icon
O-Ring 4.9x1.9 Silicone (VMQ) - 70 Shore A - Red - ses-30265 O-ring Red4.9 X 1.9Silicone (VMQ)70 Shore ANee58 icon
O-Ring 28.5x0.8 Silicone (VMQ) - 70 Shore A - Red - ses-408531 O-ring Red28.5 X 0.8Silicone (VMQ)70 Shore ANee52 icon
O-Ring 12x4.6 Silicone (VMQ) - 70 Shore A - Red - ses-103690 O-ring Red12 X 4.6Silicone (VMQ)70 Shore ANee60 icon
O-Ring 5x3.25 Silicone (VMQ) - 70 Shore A - Red - ses-408243 O-ring Red5 X 3.25Silicone (VMQ)70 Shore ANee50 icon
O-Ring 1.5x1.9 Silicone (VMQ) - 70 Shore A - Red - ses-409528 O-ring Red1.5 X 1.9Silicone (VMQ)70 Shore ANee54 icon
O-Ring 32.5x3.55 Silicone (VMQ) - 70 Shore A - Red - ses-305835 O-ring Red32.5 X 3.55Silicone (VMQ)70 Shore ANee50 icon
O-Ring 140.7x3.16 Silicone (VMQ) - 70 Shore A - Red - ses-412062 O-ring Red140.7 X 3.16Silicone (VMQ)70 Shore ANee53 icon
O-Ring 260x4 Silicone (VMQ) - 70 Shore A - Red - ses-86896 O-ring Red260 X 4Silicone (VMQ)70 Shore ANee60 icon
O-Ring 550x3.53 Silicone (VMQ) - 70 Shore A - Red - ses-268778 O-ring Red550 X 3.53Silicone (VMQ)70 Shore ANee59 icon
O-Ring 9.8x2.4 Silicone (VMQ) - 70 Shore A - Red - ses-103554 O-ring Red9.8 X 2.4Silicone (VMQ)70 Shore ANee59 icon
O-Ring 69x5.3 Silicone (VMQ) - 70 Shore A - Red - ses-105630 O-ring Red69 X 5.3Silicone (VMQ)70 Shore ANee60 icon
O-Ring 245x2 Silicone (VMQ) - 70 Shore A - Red - ses-307188 O-ring Red245 X 2Silicone (VMQ)70 Shore ANee60 icon
O-Ring 399x3.5 Silicone (VMQ) - 70 Shore A - Red - ses-307965 O-ring Red399 X 3.5Silicone (VMQ)70 Shore ANee51 icon
O-Ring 1.65x0.89 Silicone (VMQ) - 70 Shore A - Red - ses-488918 O-ring Red1.65 X 0.89Silicone (VMQ)70 Shore ANee53 icon
O-Ring 32.5x2.5 Silicone (VMQ) - 70 Shore A - Red - ses-305831 O-ring Red32.5 X 2.5Silicone (VMQ)70 Shore ANee51 icon
O-Ring 77.5x3.25 Silicone (VMQ) - 70 Shore A - Red - ses-489480 O-ring Red77.5 X 3.25Silicone (VMQ)70 Shore ANee58 icon
O-Ring 221x5 Silicone (VMQ) - 70 Shore A - Red - ses-107630 O-ring Red221 X 5Silicone (VMQ)70 Shore ANee60 icon
O-Ring 625x4 Silicone (VMQ) - 70 Shore A - Red - ses-269656 O-ring Red625 X 4Silicone (VMQ)70 Shore ANee51 icon
O-Ring 10.6x1.8 Silicone (VMQ) - 70 Shore A - Red - ses-305429 O-ring Red10.6 X 1.8Silicone (VMQ)70 Shore ANee53 icon
O-Ring 69.1x5.8 Silicone (VMQ) - 70 Shore A - Red - ses-408758 O-ring Red69.1 X 5.8Silicone (VMQ)70 Shore ANee51 icon
O-Ring 207x4.5 Silicone (VMQ) - 70 Shore A - Red - ses-307025 O-ring Red207 X 4.5Silicone (VMQ)70 Shore ANee51 icon
O-Ring 400x20 Silicone (VMQ) - 70 Shore A - Red - ses-309597 O-ring Red400 X 20Silicone (VMQ)70 Shore ANee60 icon
O-Ring 19x2.62 Silicone (VMQ) - 70 Shore A - Red - ses-410426 O-ring Red19 X 2.62Silicone (VMQ)70 Shore ANee50 icon
O-Ring 58x3.2 Silicone (VMQ) - 70 Shore A - Red - ses-105351 O-ring Red58 X 3.2Silicone (VMQ)70 Shore ANee60 icon
O-Ring 205.3x6 Silicone (VMQ) - 70 Shore A - Red - ses-107510 O-ring Red205.3 X 6Silicone (VMQ)70 Shore ANee53 icon
O-Ring 399.3x5.7 Silicone (VMQ) - 70 Shore A - Red - ses-108514 O-ring Red399.3 X 5.7Silicone (VMQ)70 Shore ANee60 icon
O-Ring 807x3.5 Silicone (VMQ) - 70 Shore A - Red - ses-490702 O-ring Red807 X 3.5Silicone (VMQ)70 Shore ANee54 icon
O-Ring 6.8x1.7 Silicone (VMQ) - 70 Shore A - Red - ses-409826 O-ring Red6.8 X 1.7Silicone (VMQ)70 Shore ANee60 icon
O-Ring 37.86x3.53 Silicone (VMQ) - 70 Shore A - Red - ses-410984 O-ring Red37.86 X 3.53Silicone (VMQ)70 Shore ANee55 icon