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Aircraft Fuel Tank Sealants

Aircraft fuel tank sealants seal seams, rivets, and joints in fuel systems that face heat, pressure, and chemical exposure. Silmid stocks aircraft options from PPG, Naftoseal, 3M, and Flamemaster in integral tank, repair, barrier coating, potting, and moulding formats. For the most widely specified integral tank sealant, see our guide to PR-1440.

Use the filters and product names to compare cure profile, application method, and product form before you choose a sealant for the job. If you are sourcing an OEM or military requirement, check MIL-PRF-81733 (corrosion-inhibitive sealing and coating compound) or read our guide to navigating MIL-PRF specifications before ordering. 

 

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<  ...  5  6  7  8  > 

PPG PR1828 B-1/2 Rapid Curing Fuel Tank Sealant
PPG PR1828 B-1/2 Rapid Curing Fuel Tank Sealant
Silmid P/N: 
P017862
MFR PN: 
1828B1/2CA654SK
From £317.53 excl VAT
In Stock
View Details
PPG PR1828 B-1/4 Rapid Curing Fuel Tank Sealant 6oz Semkit *PPG/PRC Standard Spec
PPG PR1828 B-1/4 Rapid Curing Fuel Tank Sealant 6oz Semkit *PPG/PRC Standard Spec
Silmid P/N: 
1828B14654
MFR PN: 
1828B1/4CA654SK
£322.90 excl VAT
No Stock – Lead time 89 business days from date of order confirmation
Flamemaster CS 3204 B-2 Grey Fuel Tank Sealant Quart (24Floz Fill) Can Kit *AMS-S-8802 Type II
Flamemaster CS 3204 B-2 Grey Fuel Tank Sealant Quart (24Floz Fill) Can Kit *AMS-S-8802 Type II
Silmid P/N: 
C3204BBUSQ
MFR PN: 
-
£294.23 excl VAT
No Stock – Lead time 40 business days from date of order confirmation
PPG PR1440 M B-1/2 Fuel Tank Sealant 120ml Semkit *Dassault DGQT 1.7.0.0126A Issue C
PPG PR1440 M B-1/2 Fuel Tank Sealant 120ml Semkit *Dassault DGQT 1.7.0.0126A Issue C
Silmid P/N: 
P1400227
MFR PN: 
PR1440MB1/2-DA1004
£85.89 excl VAT
Available to Back Order - 40 available in 60 days
PPG PR1440 M A-2 Fuel Tank Sealant 120ml Semkit *Dassault DGQT 1.7.0.0125A Issue C
PPG PR1440 M A-2 Fuel Tank Sealant 120ml Semkit *Dassault DGQT 1.7.0.0125A Issue C
Silmid P/N: 
P1400228
MFR PN: 
PR1440MA2-DA1004
£81.72 excl VAT
Available to Back Order - 20 available in 87 days
Naftoseal MC-630 Class C-2 Normal Density Fuselage Sealant 137ccm Techkit 130 *AIMS 04-05-001 Issue 4
Naftoseal MC-630 Class C-2 Normal Density Fuselage Sealant 137ccm Techkit 130 *AIMS 04-05-001 Issue 4
Silmid P/N: 
P1400507
MFR PN: 
50600243
£59.45 excl VAT
No Stock – Lead time 75 business days from date of order confirmation
PPG PS892 CM-12 Faying Surface Sealant 130ml Semkit
PPG PS892 CM-12 Faying Surface Sealant 130ml Semkit
Silmid P/N: 
LJF892C100
MFR PN: 
PS892CM12-1002
£100.20 excl VAT
No Stock – Lead time 89 business days from date of order confirmation
PPG PR1826 B-1/2 Rapid Curing Fuel Tank Sealant
PPG PR1826 B-1/2 Rapid Curing Fuel Tank Sealant
Silmid P/N: 
VAR0000427
MFR PN: 
PR1826B1/2-1000 ...
PR1826B1/2-1000 | PR1826B1/2-1001
From £122.91 excl VAT
No Stock – Lead time 19 business days from date of order confirmation
View Details
PPG PR1782 C-24 Low Density Fuel Tank Sealant 500ml Kit
PPG PR1782 C-24 Low Density Fuel Tank Sealant 500ml Kit
Silmid P/N: 
P1500354
MFR PN: 
PR1782C24-BA1250
£236.80 excl VAT
No Stock – Lead time 89 business days from date of order confirmation
PPG PR1826 A-2 Rapid Curing Fuel Tank Sealant 6oz Semkit (Includes PR1826 Adhesion Promoter)
PPG PR1826 A-2 Rapid Curing Fuel Tank Sealant 6oz Semkit (Includes PR1826 Adhesion Promoter)
Silmid P/N: 
PR1826AB55
MFR PN: 
1826A002CA654SK
£361.21 excl VAT
No Stock – Lead time 103 business days from date of order confirmation
PPG PS890 C-80 Fuel Tank Sealant
PPG PS890 C-80 Fuel Tank Sealant
Silmid P/N: 
P017867
MFR PN: 
0890C080AM012PT
From £165.43 excl VAT
No Stock – Lead time 61 business days from date of order confirmation
View Details
PPG PS890 C-20 Fuel Tank Sealant 6oz Semkit *AMS-S-8802 Revision F Type 2 Class C-20
PPG PS890 C-20 Fuel Tank Sealant 6oz Semkit *AMS-S-8802 Revision F Type 2 Class C-20
Silmid P/N: 
PS890C20PT
MFR PN: 
0890C020AM654SK
£155.17 excl VAT
No Stock – Lead time 103 business days from date of order confirmation
Naftoseal MC-780 Class C-12 Lightweight Fuel Tank & Fuselage Sealant
Naftoseal MC-780 Class C-12 Lightweight Fuel Tank & Fuselage Sealant
Silmid P/N: 
P012945
MFR PN: 
50560745 ...
50560745 | 50600267 | 50600268
From £64.24 excl VAT
No Stock – Lead time 61 business days from date of order confirmation
View Details
Flamemaster CS 3201 A-1/2 Black Fuel Tank Sealant Pint (12Floz Fill) Can Kit *AMS-S-7124
Flamemaster CS 3201 A-1/2 Black Fuel Tank Sealant Pint (12Floz Fill) Can Kit *AMS-S-7124
Silmid P/N: 
CS3201AAPT
MFR PN: 
-
£429.50 excl VAT
No Stock – Lead time 54 business days from date of order confirmation
Flamemaster CS 3201 B-2 Black Fuel Tank Sealant Quart (24Floz Fill) Can Kit *AMS-S-7124
Flamemaster CS 3201 B-2 Black Fuel Tank Sealant Quart (24Floz Fill) Can Kit *AMS-S-7124
Silmid P/N: 
CS3201BBQT
MFR PN: 
-
£799.81 excl VAT
No Stock – Lead time 54 business days from date of order confirmation

<  ...  5  6  7  8  > 

What Are Fuel Tank Sealants?

When constructing an aircraft fuel tank, there are microscopic seams from rivets and metal joints. Fuel tank sealers plug these gaps, so gas or jet fuel doesn’t seep out. They are formulated to adhere to materials commonly used when making aircraft fuel tanks, such as steel and aluminium. An aeroplane fuel tank seal also has excellent resistance to common aircraft oils and chemicals, extreme pressure, and a wide range of temperatures. For these reasons and others, some technicians coat the entire inner or outer tank with sealant for maximum protection.

High-Performance Fuel System Sealants

We offer an assortment of sealants that are tested and proven in aircraft worldwide. Shop for integral fuel tank sealant kits in many sizes along with rapid cure repair sealants, secondary fuel barrier coatings, potting and moulding compounds, and high-strength sealants. Most formulas will cure at room temperature for easy application with a brush, roller, or spray. For broader comparisons, browse our sealants range.

A real-time digital inventory management system lets you know what’s available, so you can get the right sealants for a task with same-day shipping. The knowledgeable support team at Silmid is here to answer any questions.

Aircraft Fuel Tank Sealant FAQs

Which sealant class should I choose for my aircraft fuel tank job?

Choose the class that matches the job requirements, then confirm that the product listing is intended for your aircraft fuel tank application. If an OEM callout or part number is part of the job, use that reference first.

How do I match a fuel tank sealant to an OEM spec or part number?

Compare the item name, manufacturer part number, and any specification notes shown on the product listing. The best fit is the one that matches the reference you are working from as closely as possible. If you are working to a Boeing or defence requirement, our guides on BMS vs MIL-SPEC specifications and MIL-PRF specifications explain how to verify the correct approval before ordering.

What do the product suffixes and cure-time differences mean?

They usually indicate a different kit size, working profile, or handling time. Check the product details carefully so you choose a version that gives you enough time for application and curing.