PPG Aerospace® P/S 890 B-1/2 Gray PRC Standard Spec Fuel Tank Sealant - 6 oz 654-SemKit

PPG Aerospace® P/S 890 B-1/2 Gray PRC Standard Spec Fuel Tank Sealant - 6 oz 654-SemKit
Our Part #: SGP7297
Manufacture Part #: 0890B1-2CA654SK
Our Price: $63.60
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In-Stock: 147 Units available.
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Sealing aircraft fuel tanks is easy when you have PPG Aerospace® P/S 890 B-1/2 Fuel Tank Sealant from SkyGeek. The two-part aircraft fuel tank sealant is sold in a 6 oz. SemKit and goes on smooth, filling in gaps and cracks while sealing around hardware and fasteners. PPG Aerospace® sealant fuel tank products are resistant to aviation gas and jet fuel, delivering a long-lasting seal in some of the most challenging conditions.

PPG Aerospace® P/S 890 B-1/2 Fuel Tank Sealant is a gas tank sealer that sticks. The high-quality PRC standard spec fuel tank sealer is gray when cured, blending in seamlessly with the rest of the fuel tank. Use the sealant for internal or exterior gas tank sealing with excellent results. The sealer for gas tank application is lightweight and easy to use, adding minimal bulk to the aircraft. The next time you need to seal a fuel tank, order a tube of PPG Aerospace® P/S 890 B-1/2 Fuel Tank Sealant from SkyGeek. The fuel tank sealant is eligible to ship with a manufacturer's certification if needed.

Features

Application Properties (typical)
Color Part A - Black
Part B - White
Mixed - Gray
Mixing ratio by weight Part A: Part B
10:100
Base Viscosity 11,000, (1100)
(Brookfield #6 @ 10rpm), Poise (Pa-s)
Application life and cure time
@ 77°F (25°C), 50% RH
Application life (hours) Tack free time (hours) Cure time to 35 A Durometer (hours)
B-1/2 1/2 <10 24
B-2 2 <20 48
B-4 4 <36 90

Performance Properties (typical)
Cure Time 14 days @ 77°F (25°C), 50% RH
Cured specific gravity 1.55
Nonvolatile content,(%) 95%
Ultimate cure hardness (Durometer A) 49
Peel strength, pli (N/25 mm),100% cohesion
JRF immersion, 7 days @140°F (60°C) JRF/NaCl-H2O immersion, 7 days @ 140°F (60°C)
MIL-A-8625 (Anodized aluminum) - 41 (182) MIL-A-8625 (Anodized aluminum) - 39 (173)
MIL-C-5541 (Alodine aluminum) - 42 (187) MIL-C-5541 (Alodine aluminum) - 40 (178)
MIL-C-27725 (IFT coating) - 44 (196) MIL-C-27725 (IFT coating) - 43 (191)
MIL-S-5059 (Stainless steel)* - 44 (196) MIL-S-5059 (Stainless steel)* - 42 (187)
MIL-T-9046 (Titanium comp. C)* - 43 (191) MIL-T-9046 (Titanium comp. C)* - 45 (200)
QQ-A-250/13 (Alclad) - 39 (173) QQ-A-250/13 (Alclad) - 42 (187)
*Primed with PR-148 Adhesion Promoter
Tensile strength, psi (KPa) 300 (2069) - Standard cure,14 days @77°F(25°C), 50% RH
Elongation, % 300 - Standard cure,14 days @77°F(25°C), 50% RH
Thermal rupture resistance Retains pressure of 10 psi with only negligible deformation, both before and after immersion in JRF.
Low temperature flexibility @ -65°F (-54°C) No cracking, checking or loss of adhesion.
Resistance to hydrocarbons Weight loss : 5.0% - 7 days @ 140°F(60°C) immersed in Type III fuel.
Flexibility No cracks after bending 180 degrees over 0.125 inch (3.18 mm) mandrel.
Repairability to itself Excellent to both freshly cured as well as fuel aged and abraded fillets.
Corrosion resistance No corrosion, adhesion loss, softening, or blistering after 20-day immersion in 2-layer salt water/JRF @ 140°F (60°C).
Resistance to other fluids Excellent resistance to water, alcohols, petroleum-base and synthetic lubricating oils.
Fungus resistance Non-nutrient

Note: The application and performance property values above are typical for the material, but not intended for use in specifications or for acceptance inspection criteria because of variations in testing methods, conditions and configurations.

Surface preparation

Immediately before applying sealant to primed substrates, the surfaces should be cleaned with solvents. Contaminants such as dirt, grease, and/or processing lubricants must be removed prior to sealant application.

A progressive cleaning procedure should be employed using the appropriate solvents and new lint free cloth (reclaimed solvents or tissue paper should not be used). Always pour solvent on the cloth to avoid contaminating the solvent supply. Wash one small area at a time.

It is important that the surface is dried with a second clean cloth prior to the solvent evaporating to prevent the redeposition of contaminants on the substrate.

Substrate composition can vary greatly. This can affect sealant adhesion. It is recommended that adhesion characteristics to a specific substrate be determined prior to application on production parts or assemblies.

For a more thorough discussion of proper surface preparation, please consult the SAE Aerospace Information Report AIR 4069. This document is available through SAE, 400 Commonwealth Avenue, Warrendale, PA 15096-0001.

Mixing instructions

P/S 890 Class B is supplied in a two-part kit. Mix according to the ratios indicated in the application properties section. Mix Part A and Part B separately to uniformity, then thoroughly mix entire contents of both parts of the kit together taking care to avoid leaving unmixed areas around the sides or bottom of the mixing container.

Storage life

The storage life of P/S 890 Class B is at least 9 months when stored at temperatures below 80°F (27°C) in original unopened containers.

Health precautions

This product is safe to use and apply when recommended precautions are followed. Before using this product, read and understand the Material Safety Data Sheet (MSDS), which provides information on health, physical and environmental hazards, handling precautions and first aid recommendations. An MSDS is available on request. Avoid overexposure. Obtain medical care in case of extreme overexposure.

For industrial use only. Keep away from children.

For emergency medical information call 1-800-228-5635.

Downloads

download icon Safety Data Sheet

Country of Origin
United States
Size
6 oz
Shipping Weight
0.75 pounds
ECCN
EAR99
Color Family
Gray
Manufacturer P/N
P/S 870 B-1/2
Schedule B Code
3214.10.0010
Pack Quantity
1
Ship Dimensions
12 x 2 x 2 inches
Size
6 oz 654-SemKit
Spec
PRC Standard Spec
Class
B-1/2
Color
Gray
Alternate PN#s
P/S 890 B-1/2, PS890B1/2, P/S 890B1/2