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ASI 70 Silicone Compound is a moisture-resistant, translucent, non-curing paste that retains its consistency and properties over a temperature range of -50°C to 200°C (-55°F to 390°F). Essentially non-toxic and non-melting, ASI 70 has excellent dielectric properties, is highly water repellent and resistant to oxidation. Practically non-volatile, ASI 70 is also odorless and resistant to a wide range of chemicals.


ASI 70 Compound is typically used where a silicone fluid would tend to migrate. The compound retains its paste-like consistency and will not soften or flow. There are a variety of applications requiring the unique combination of ASI 70 properties including moisture resistance, high dielectric, lubricity and release characteristics. Such applications include:

  • mold release agent for foundry shell and core molds
  • release agent for plastic extruders and processing equipment
  • break-in treatment for bladders on tire presses
  • mold release agent for plastic and rubber parts
  • disconnect junctions in electrical wiring systems
  • moisture-proof seal for ignition systems and spark plug connections
  • corrosion protection for copper conductors, battery terminals and device leads
  • cable pulling lubricant to draw rubber-covered cable through conduit
  • lubricant for cable connectors, rubber door seals, switches and rubber/plastic O-rings
  • mild chemical barrier coating


ASI 70 can be easily applied by brushing or wiping. For thin coatings, ASI 70 can be applied as a solvent dispersion by brushing, dipping or spraying. Suitable solvents include toluol, naphtha or chlorinated solvent. If a thinner consistency compound is required for applications where brushing, dipping or wiping is desirable, contact your ASI representative. ASI 70 should not be applied to any surface that will subsequently be painted or finished. Such coatings might not adhere to the silicone-treated surfaces. Contaminated parts can be wiped or washed with solvent, washed with detergent and then rinsed in clear water before painting. For more specific information regarding the removal of a silicone compound please contact manufacturer.


ASI 70 is insoluble in water, alcohols and mineral oil. It is partially soluble in ketones, ether, esters, chlorinated solvents and hydrocarbons. The suitability of a particular solvent should be based on testing prior to use. Flammability and toxicological properties should be considered in the choice.


ASI 70 is generally not affected by mineral and vegetable oils or air and generally resistant to dilute acids and alkalies and to most aqueous solutions. ASI 70 should not be used with liquid oxygen or in applications requiring LOX compatibility. FDA STATUS ASI 70 is permitted under regulations of the Food and Drug Administration where incidental food contact might be involved. FDA Regulation number is 175.300.


ASI 70 has a shelf life of 12 months from date of shipment.


ASI 70 might cause slight temporary discomfort if accidentally rubbed into eyes. It is essentially non-irritating to the skin.


ASI warrants only that its products will meet its specifications. ASI shall in no event be liable for incidental or consequential damages. Except as expressly stipulated, ASI’s liability, expressed or implied, is limited to the stated selling price of any defective goods.


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