It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). The material is designed for use as an access door sealant or in the fabrication of form-in-place (FIP) gaskets.
PR-1428 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 removable seal 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.