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HomeOwner ShopShop SuppliesFuel Tank SealantAC Tech 250B-1/6 Low Temperature Quick Repair Sealant - AMS-S-83318

AC Tech 250B-1/6 Low Temperature Quick Repair Sealant - AMS-S-83318

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AC Tech 250B-1/6 Low Temperature Quick Repair Sealant - AMS-S-83318
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ProductUnitLeadQuantityAdd Ons
Our Price: $38.99
2.5 oz6 Days
Certification
Code: UN1866 | Class: 3 | Group: III
Material Safety Data Sheets (MSDS): MSDS1, MSDS2
Our Price: $41.99
6 oz30 Days
Certification
Code: UN1866 | Class: 3 | Group: III
Material Safety Data Sheets (MSDS): MSDS1, MSDS2

This two-part, polysulfide, quick repair sealant for integral fuel tank and fuselage sealing applications cures to a fuel resistant rubber at temperatures above 20°F. The mixed compound is a thixotropic paste and can be readily appliced with a spatula or extrusion gun. Exhibits excellent tooling properties. AMS-S-83318 and TAPS 1163 Ty V qualified.
USE INSTRUCTIONS

1. Holding the cartridge, grasp the dasher rod and pull back approximately one inch.

2. Insert the ramrod into the hollow of the dasher rod, break the piston loose, and inject about 1/3 of the contents into the cartridge.

Note: Do not inject all of the catalyst in one location. Distribute evenly throughout base material.

3. Repeat steps 2 and 3 until all the contents of the rod are emptied into the cartridge. Remove the ramrod.

4. Mix for the required number of strokes (hand mixing) or for the required amount of time (machine mixing) indicated in the kit instructions.

5. When mixing is complete, remove bottom cap.

6. Pull the dasher rod back to the neck of the cartridge, grasp the cartridge firmly at the neck, unscrew the dasher rod and remove.

7. Screw the nozzle into the cartridge, insert into the extrusion gun and use as required. For hand extrusion, press the used dasher rod against the plunger to force the material from the cartridge.

STORAGE LIFE

Shelf life is 6 months from date of packaging, when stored at temperatures between 40°F and 80°F in its original container.

Specifications
Typical Physical & Application Properties
Color
Base
Accelerator

White
Dark Brown
Mixing Ratio (by weight) 100 base / 10 accelerator
Nonvolatile Content 95%
Base Viscosity (Brookfield #7 Spindle @ 2 RPM) 9,000 - 13,000 poise
Application Life* 10 minutes @ 77°F, 50% RH
Typical Tack-Free Time**
@ 77°F
@ 40°F
@ 20°F

1 hour
5 hours
10 hours
Typical Cure Time***
@ 77°F
@ 40°F
@ 20°F

2 hours
8 hours
14 hours

Typical Properties of Cured Compound (AMS-S-83318)
Color Gray
Specific Gravity 1.62
Hardness 55 Shore A
Temperature Range -65° to +250°F (-54° to +121°C)
Low Temp. Flexibility No cracking, checking or loss of adhesion when tested at -65°F (-54°C)
Fluid Rupture Resistance Retains Jet Reference Fluid 24 hours at 10 psig
JFR Immersed Cure Rate (Hardness A)
6 hours - 42A
24 hours - 45A
Repairability Peel strength to itself, AMS-S-883318, and AMS-S-8802 sealant is 35 lbs.
Corrosion Resistance Does not cause corrosion
Fungus Resistance Non-nutrient
Hydrolytic Stability 40 Shore A
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