Skip to contentMackay All
Cookieshelp us to give you the best experience on our website. By continuing to use our website we'll assume that you agree to our use of cookies. or Learn more
A silicone rubber sealant ideal for sealing leaking windscreens andmaking replacement instant gaskets.
It forms a tough, flexible, water resistant rubber seal which willnot shrink, crack or discolour and will withstand temperatureextremes from 55 degrees celcius to +150 degrees celcius.

Suggested Uses
Ideal for sealing lamps, leaking water hoses, windscreens andwindows, water-proofing joints and electrical junctions and curingvibration and noise problems.

Instructions For Use
When using as an instant gasket, ensure all surfaces are clean. Toenable components to be dismantled easily at a later date, apply alight coating of oil to both surfaces. Remove nozzle and cut tip torequired width of gasket. Apply Auto Sealant to one surface only.Brad should be 1.5mm-3mm thick. Ensure that the bead is spreadevenly, conforming to to surface shape. Torque down immediately.When Auto Sealant has cured (12 hours) excess may be trimmed awaywith a sharp blade. The engine may be run as soon as the job hasbeen completed- before sealant is fully cured.
When using Dow Corning as a sealant , ensure surfaces are clean,dry and free from grease.Tooling should be carried out within 5minutes before skin forms.

Dow Corning Auto is not recommended for use on cylinder heads,carbuettors or for continous immersion in petrol.
DescriptionCodePriceINC VATBasket
Dow Corning 2939177 Silicon Auto Sealant 310ml Black2939177£8.50
Dow Corning 2939177 Silicon Auto Sealant 310ml Black