As listed
| Field | Value |
|---|---|
| Seller | Aircraft Spruce |
| Seller's item # | 09-04644 |
| Type | Two-part manganese dioxide cured polysulfide |
| Class | A: brush and fay sealing, up to 25 mils |
| Service temperature | -54 °C to 121 °C, excursions to 135 °C |
| Pack | 6 oz cartridge, 3.5 fl oz of material |
| Listing checked | 2026-09-30 |
Taken from Aircraft Spruce's product page on 2026-09-30. Where the listing does not state a figure, this table does not either.
What it is for
For fillets, see PS-890 Class B.
Use the product and class your maintenance data names.
Where to buy
The link opens Aircraft Spruce's own page for this item, so the price and stock you see are theirs and current. We do not copy prices.
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Sources
- Aircraft Spruce — Pro-Seal Fuel Tank Sealant 890 A2 — product listing, item 09-04644, checked 2026-09-30.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.