PR-1422 at a glance
Where to buy
Designation
| Item | Value |
|---|---|
| Designation | PR-1422 |
| Class | Sealants |
| Type | polysulfide sealant |
Data from the guide
| Item | Value |
|---|---|
| Product | PR-1422 Class B |
| Maker | PPG |
| Form and class | Two-part; B-1/2 and B-2 |
| Life and cure (from the source) | B-1/2: life 1/2 h, tack-free under 8 h, 35 A in 24 h. B-2: life 2 h, under 20 h, 36 h (77 F, 50 % RH) |
| Specification stated | Tests per AMS-S-8802 Class B |
Sources: PPG PR-1422 sheet (09/10); distributor listings for PS-890 and PR-1440; PPG PR-1776M page; Flamemaster CS 3201 bulletin. Distributor lists are not PPG data sheets.
Notes from the guide
- Distributor lists for PR-1440 and PS-890: they are not PPG data sheets.
- No cross-reference table is authoritative. The SRM and the specification's QPL decide equivalents.
- Specifications are cited as the sources print them. AMS-S-8802 text is paid and was not read.
Where to buy
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Sources
- PPG Aerospace, PR-1422 Class B Fuel Tank Sealant, data sheet (issue 09/10, Lit 0157) — Application life, tack-free, cure, slump, service range, storage; tests per AMS-S-8802 Class B.
- Flamemaster Corporation, Chem Seal CS 3201 Technical Bulletin — Two-part polysulfide: classes A and B, mixing, temperature effect on application life, hardness, adhesion.
- PPG PS890 B-1/2 Fuel Tank Sealant (distributor listing) — Two-part manganese dioxide cured polysulfide, service range, classes. Distributor listing, not the PPG data sheet.
- PPG PR-1440 B-1/2 Fuel Tank Sealant (distributor listing) — AMS-S-8802D Type 2 designation. Distributor listing, not the PPG data sheet.
- PPG Aerospace, PR-1776M Class B Low Weight Fuel Tank Sealant (product page) — Described by PPG as a manganese dioxide cured Permapol P-5 modified polysulfide; service range.
- PPG PR1776M B-2 Low Weight Fuel Tank Sealant (distributor listing) — AMS 3281 Type 1 Class B-2 and BMS 5-45 Class B-2.
- Sealant application bulletin: class and applications (distributor document) — Class A brush, B fillet, C rollable.
- SAE International, AS5127/1C: Test Methods for Aerospace Sealants, Two-Component Synthetic Rubber Compounds — Scope: test methods for two-component sealing compounds.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.