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PPG PS870 B-2 Corrosion Inhibitive Sealant 6Floz Semkit *MIL-PRF-81733 Type II Class 1 Grade A

PPG PS870 B-2 Corrosion Inhibitive Sealant 6Floz Semkit *MIL-PRF-81733 Type II Class 1 Grade A
UN Number: UN1133 CL3 & 3082 CL9 III
Limited Quantity: 5L
Pro-Seal 870 Class B is a corrosion inhibitive sealant. It has a service temperature range from -54° (-65°) to 121° (250°), with intermittent excursions up to 135° (275°).


  • This material acts as an effective barrier against the common causes of corrosion on aluminium alloys or between dissimilar metals.
  • The cured sealant maintains elastomeric properties after limited exposure to both jet fuel and aviation gas.
  • P/S 870 Class A is a two-part, manganese dioxide cured polysulfide compound. The uncured material is suitable for application by brush in thickness up to 25 mils.
  • It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft  substrates.

Require more nozzles with this mixer? Take a look at the Semco 420 Standard Nozzle NOZZ220544 and buy more when needed. And why not look into Semco Model 285-A Semkit Mixing Machine to make the process even easier.

Need a gun for application? Semco Model 250-A Pneumatic Air Gun 6oz Kit GUN2500000 is a great tool for the Semkit or the Hand Held (Manual) Skeleton 160ml / 6oz Dispenser Gun TEAE05280.
More guns kits and retainers available in different sizes. Please take a look at our range.

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

Orders under £50 placed online for UK Mainland delivery is £6.95*

Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £19.50** 

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.

Sil-Mid Limited DO NOT GUARANTEE that the information on this page 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.