Skip to main content

MOLYKOTE™/Dow Corning® 4 Electrical Insulating Compound *SAE AS 8660 in various sizes

MOLYKOTE™/Dow Corning® 4 Electrical Insulating Compound *SAE AS 8660 in various sizes
Dow Corning DC4 is a moisture resistant electrical insulating compound used to seal aircraft ignition systems and spark plug connections.
From £6.85 excl VAT
£8.22 inc VAT
to view stock levels and prices please select product option

Please select a size.

Non Hazardous
Commodity Code: 32141010
Country of Origin: United States

Features of DC4:

  • High dielectric strength
  • Low volatility
  • Moisture resistant
  • Good thermal oxidation and chemical stability
  • Retains its grease like consistency from -40°C ( -40°F) to +200°C (392°F)
  • Odourless
  • Highly water repellent
  • Adheres readily to dry metals, ceramics, rubber, plastics and insulating resins


  • Meets requirements of SAE AS 8660
  • Certification to NSF 51 and 61
  • Meeting requirements of FDA 21 CFR 175.300

Orders over £50 placed online will now qualify for FREE UK Mainland delivery*

Orders under £50 placed online for UK Mainland delivery is £8.00*

**Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £21.00, orders placed through the office will incur additional charges.** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.
Please refer to our delivery page for more information.

Document Downloads
Sil-Mid Limited DO NOT GUARANTEE that the information in these documents is the most up to date information available from the manufacturer, there are times when updated information is released and we are not made aware immediately.