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- 3M Aircraft Sealants

Aircraft Sealants Solutions Featuring 3M
Why Choose Hisco for Aircraft Sealants?




Achieve more efficient aviation with 3MTM Aircraft Sealants
3M offers the durable, high quality sealants for aerospace manufacturing, maintenance and repair. Only 3M Aerospace Sealants cover your needs for aircraft performance, lightweighting and curing time.
Contact Hisco today to make the best choice for 3M Aerospace Sealants.

3M Aerospace Sealants deliver:
High temperature resilience and fuel efficiency
Resistance to degradation from jet fuel exposure
Streamlined production and increased efficiency
Reduced waste and diminished costs
Shop All 3M Aerospace Sealants | |||||||||
Class B Polysulfide Sealant Tack Free and Cure Times* | |||||||||
Specification | 3M Product | Specific Gravity | Class B‑1/4 (Tack Free/ Cure) |
Class B‑1/2 (Tack Free/ Cure) |
Class B‑1 (Tack Free/ Cure) |
Class B‑2 (Tack Free/ Cure) |
Class B‑4 (Tack Free/ Cure) |
Class B‑6 (Tack Free/ Cure) |
TDS |
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AMS-S-8802 Fuel Tank and Fuselage |
AC-350 | 1.4 | (2‑3h/ 2‑3h) | (7‑8h/ 7‑8h) | (32‑36h/ 32‑36h) | ![]() |
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AMS3276 High Temp Fuel Tank and Fuselage |
AC-350 | 1.4 | (1‑2h/ 1‑2h) | (2‑3h/ 2‑3h) | (7‑8h/ 7‑8h) | (32‑36h/ 32‑36h) | (48h/ 48h) | ![]() |
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AMS3281 Light Weight Fuel Tank and Fuselage |
AC-370 (Type 1) |
1.3 | (6‑7h/ 6‑7h) | (7‑8h/ 8‑10h) | ![]() |
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AC-370 (Type 2) |
1.1 | (5h/ 5h) | (8‑10h/ 8‑10h) | ![]() |
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AMS3265 Non-Chromated Corrosion Inhibitive |
AC-730 | 1.5 | (4h/ 6h) | (16h/ 24h) | ![]() |
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MIL-PRF-81733 Non-Chromated Corrosion Inhibitive |
AC-735 | 1.1 | (5h/ 5h) | (10‑12h/ 10‑12h) | ![]() |
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3M Standard Window & Canopy |
AC-251 Black |
1.6 | (4h/ 4h) | (5h/ 7h) | (8h/ 9h) | ![]() |
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*Measured at Standard Conditions (77°F / 25°C and 50% Relative humidity). These products were manufactured under a 3M Quality Management System registered to the AS9100 standard. |