Aircraft sealants
Aircraft sealants on sale in the Americas and Europe & UK: 7 sealants, from Flamemaster. Each with the specs its distributor lists and the date they were checked.
Sealants
PR1440 Fuel Tank Sealant
- TypeTwo-part manganese dioxide cured polysulfide
- Service temperature-54 °C to 121 °C, excursions to 135 °C
- Packaging100 ml and 150 ml Semkits
EU
Sealants
PR1750 Fuel Tank Sealant
- TypeTwo-part manganese dioxide cured polysulfide
- Service temperature-54 °C to 121 °C, excursions to 182 °C
- Packaging150 ml Semkit (01750AB015)
EU
Sealants
PS870 Corrosion Inhibitive Sealant
- TypeTwo-part manganese dioxide cured polysulfide
- Service temperature-54 °C to 121 °C, excursions to 135 °C
- Packaging100 ml Semkits
EU
Sealants
PR812 Firewall Sealant
- TypeTwo-part synthetic rubber
- Service temperature-54 °C to 204 °C; flash to 1093 °C
- Packaging100 ml Semkit (PR812SKIT)
EU
Sealants
Pro-Seal Fuel Tank Sealant P/S 890 B2
- TypeTwo-part manganese dioxide cured polysulfide
- Service temperature-54 °C to 121 °C, excursions to 135 °C
- ClassB: low-sag paste for fillet sealing
USSealants
Pro-Seal Fuel Tank Sealant 890 A2
- TypeTwo-part manganese dioxide cured polysulfide
- Service temperature-54 °C to 121 °C, excursions to 135 °C
- ClassA: brush and fay sealing, up to 25 mils
US
Flamemaster
Flamemaster Chemseal B2 Tank Sealant CS3204 Gray
- AMS-S-8802 · 4 kits · cure table
US
| Product | Type | Service temperature | Packaging | Class | Sold in |
|---|---|---|---|---|---|
| PR1440 Fuel Tank Sealant | Two-part manganese dioxide cured polysulfide | -54 °C to 121 °C, excursions to 135 °C | 100 ml and 150 ml Semkits | not listed | EU |
| PR1750 Fuel Tank Sealant | Two-part manganese dioxide cured polysulfide | -54 °C to 121 °C, excursions to 182 °C | 150 ml Semkit (01750AB015) | A (brush sealing, up to 25 mils) | EU |
| PS870 Corrosion Inhibitive Sealant | Two-part manganese dioxide cured polysulfide | -54 °C to 121 °C, excursions to 135 °C | 100 ml Semkits | not listed | EU |
| PR812 Firewall Sealant | Two-part synthetic rubber | -54 °C to 204 °C; flash to 1093 °C | 100 ml Semkit (PR812SKIT) | not listed | EU |
| Pro-Seal Fuel Tank Sealant P/S 890 B2 | Two-part manganese dioxide cured polysulfide | -54 °C to 121 °C, excursions to 135 °C | not listed | B: low-sag paste for fillet sealing | US |
| Pro-Seal Fuel Tank Sealant 890 A2 | Two-part manganese dioxide cured polysulfide | -54 °C to 121 °C, excursions to 135 °C | not listed | A: brush and fay sealing, up to 25 mils | US |
| Flamemaster Chemseal B2 Tank Sealant CS3204 Gray | not listed | not listed | not listed | not listed | US |
Questions people actually ask
Where can I buy sealants?
7 of the 7 products on this page have a distributor checked by hand, in the Americas and Europe & UK. Each product page links to the distributor's own listing for the live price and stock.
Educational reference only, not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.