MIL-S-83318 Sealing Compound, Low Temperature Curing, Quick Repair Integral Fuel Tanks And Fuel Cell Cavities S/S By Sae-Ams-S-83318This specification covers a two component, temperature??resistant ??65??F to +250??F ??54??C to +120??C, low temperature 20??F minimum curing synthetic rubber compounds for quick repair of aircraft integral fuel tanks and fuel cell cavities. During application, the sealing compounds shall be a suitable, fluid consistency.

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MIL-S-83318A(USAF)

4.9.19 Accelerated storage. Five sectional-type containers (MIL-S-38714) filled with base compound and curing compound along with matching primer shall be stored for 14 days at

120°F (49°C) in a suitably vented oven . After cooling at standard conditions for at least 24

hours, tests shall be conducted in accordance with 4.9.5, 4.9.6, 4.9. Two QQ-A-250/13 aluminum-alloy peel panels shall also be prepared and tested, without fuel immersion, in accordance with 4.9.9.

4.9.20 Long term storage. Five sectional-type containers (MIL-S-38714) filled with base compound and curing compound along with matching adhesion promoter shall be stored at

77°F (25°C) for six months. At the end of the storage tests shall be conducted in

accordance with 4.9.5, 4.9.6, and 4.9.7. Two QQ-A-250/13 aluminum alloy peel panels shall also be prepared and tested without fuel immersion in accordance with 4.9.9.

5. PACKAGING

5.1 Preservation and packaging. Preservation and packaging shall be Level A.

5.1.1 Level A

5.1.1.1 Sectional-type containers. The base compound and the curing compound shall be furnished in highly density polyethylene sectional-type 2.5 oz. (75 ml) or 6 oz. (175 ml) cartridges, conforming to MIL-S-38714, as specified in the purchase order. The total content of the base compound and the curing compound contained in each sectional-type container shall be as follows:

Size of container Total content (base and curing)

2.5 oz. (75 ml) 2 fl oz. + 1/8 (60 ml +5)

6 oz. (175 ml) 3.5 fl oz. + 1/8 (105 ml +5)

Sufficient adhesion promoter in a glass vial will be provided with each sectional-type container.

5.2 Packing. Packing shall be level A, B, C or as specified (see 6.3).

5.2.1 Levels A . The sealing compound shall be packed in overseas-type shipping containers in accordance with the requirements of the appendix to PPP-C-96.

5.2.2 Levels B . The sealing compound shall be packed in domestic-type shipping containers in accordance with the requirements of the appendix to PPP-C-96.

5.2.3 Level C., The sealing compound shall be packed in a manner to insure carrier acceptance with safe delivery at destination. Containers shall be in accordance with Uniform Freight Classification Rules or Regulations of other carriers applicable to the modes of transportation.