Sealants · SKU F021G4SJV
PR-1440 Fuel Tank Sealant
A two-part polysulfide fuel tank sealant: Class A brushes over fasteners, Class B is a paste for fillets.
- TypeTwo-part manganese dioxide cured polysulfide
- Service temperature-54 °C to 121 °C, excursions to 135 °C
- Packaging100 ml and 150 ml Semkits
Where to buy
AmericaDistributor coming soonOur partner for this region is on its way
EuropeDistributor coming soonOur partner for this region is on its way
OceaniaDistributor coming soonOur partner for this region is on its way
More distributors
AmericaMore distributors coming soon
EuropeMore distributors coming soon
OceaniaMore distributors coming soon
The number after the class (1/2, 2) is the grade: roughly how long you can work it. A distributor's writes the Class B low end as "-65°C (-54°C)"; the Class A text gives -65 °F (-54 °C), which is the figure we show.
Which class and grade a repair calls for is in the aircraft's maintenance data, not in this listing.
Specifications
| Type | Two-part manganese dioxide cured polysulfide |
|---|---|
| Class A | Brush sealing of fasteners, up to 25 mils thick |
| Class B | Low-sag paste for fillet sealing, by gun or spatula |
| Service temperature | -54 °C to 121 °C, excursions to 135 °C |
| Packaging | 100 ml and 150 ml Semkits |
Source: a distributor's listing, checked 2026-09-30.
Sizes listed 5 rows
| Part | Type | Cure Time | Size |
|---|---|---|---|
| PR1440-A1/2-150ML-SEM | Type A | 1/2 Hour | 150ml Semkit |
| PR1440-A2-150ML-SEM | Type A | 2 Hour | 150ml Semkit |
| PR1440-B1/2-150ML-SEM | Type B | 1/2 Hour | 150ml Semkit |
| PR1440-B2-100ML-SEM | Type B | 2 Hour | 100ml Semkit |
| PR1440-B2-150ML-SEM | Type B | 2 Hour | 150ml Semkit |
Questions people actually ask
Where can I buy the PR1440 Fuel Tank Sealant?
A distributor we checked lists it in the Europe & UK. The link to its page, with the live price and stock, opens when the partnership does.
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