Sealants

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TitleProduct Description and UseSpecificationsChem Seal SealantsChemistryApplicationSDSTech
Firewall SealantUsed for sealing firewall structures. It is elastomeric and is able to withstand intermittent temperatures of up to 2000 deg. F.Mil-S-38249 Type ICS 1900Epoxy / AmineFirewall
Aluminum Exterior SealantRecommended for sealing external seams, depressions and gaps on aircraft to yield weather tightness and achieve aerodynamic smoothness. Withstands jet fuels and weathering. Available in Application Times of 1/2 hour and 2 hours.DMS 1819C,
Mil-S-38228 Cl B,
STM40-006 Class A
CS 2415Polysulfide / Manganese DioxideFuselage Sealant
Epoxy Bonding CompoundHigh adhesion to most construction materials. Used for repairing spalled and cracked areas in concrete, plaster, stucco, stone, slate, wood and tile. Also used as a mortar for ceramic tile, stone work, block and brick.DOD-C-24176
Type I and II
CS 2725Epoxy / AmineSpecialty Adhesives and Sealants
Flexible Epoxy Joint SealerUsed as concrete joint sealer. Excellent adhesion to concrete, wood and other materials without primer. LOX compatible.Air Force SpecCS 2727Epoxy / AmineSpecialty Adhesives and Sealants
Potting & Sealing CompoundFor sealing and moisture proofing adhesive bonded structures. Available in three application times and three consistencies.Mil-PRF-8516GCS 3100Polysulfide / Lead DioxideElectrical Potting Compounds
Potting & Sealing CompoundFor sealing and moisture proofing adhesive bonded structures. Available in three application times and three consistencies.STM-M225-5CS 3100MPolysulfide / Lead DioxideElectrical Potting Compounds
Low Adhesive Potting CompoundSimilar to CS 3100 with the exception of Low Adhesion. Its low adhesive strength makes it possible to remove the encapsulating material from connections.131208-27, modified
Mil-PRF-8516G
to Flamemaster Specification
CS 3104MPolysulfide / Lead DioxideElectrical Potting Compounds
Junction Box SealerThixotropic, polysulfide sealant suitable for use in edge seal encapsulation. Easily applied with an extrusion gun or spatula.Flamemaster Specification
8030-01-469-7150
CS 3105Polysulfide / Lead DioxideElectrical Potting Compounds
Sealing CompoundFor aircraft structures. Cures at room temperature to a flexible resilient rubber with excellent adhesion to metals. Available Class A and Class B various application times. Colors- Tan or BlackAMS 7124 formerly
Mil-S-7124
& Mil-S-7502
CS 3201 CLASS A & BPolysulfide / Lead DioxideElectrical Potting Compounds
Optical Sealing CompoundUsed for bonding glass to metal in optical instruments or fire control instruments. Standard application time about 3 hours.Mil-S-11031B
AA 59293
CS 3202Polysulfide / Lead DioxideSpecialty Adhesives and Sealants
Integral Fuel Tank SealantDesigned to withstand the attack of sulfur compounds present in jet fuels. Also used as pressurized cabin sealant.AMS-S-8802 formerly
Mil-S-8802F Type II
CS 3204 CLASS B & CPolysulfide / Manganese DioxideFuel Tank Sealant
Weld Through SealantConductive, Fuel resistant faying surface sealant for metal parts joined by spot welding.MIS-31868CCS 3204 WTPolysulfide / Manganese DioxideFay Surface
Integral Fuel Tank SealantDesigned to withstand the attack of sulfur compounds present in jet fuels. Also used as pressurized cabin sealant. This is a rapid curing material.AMS-S-8802 formerly
Mil-S-8802F Type II
CS 3204RPolysulfide / Manganese DioxideFuel Tank Sealant
Integral Fuel Tank SealantDichromate cured polysulfide base compound. Type-1 AMS-S-8802 material will readily cure in the absence of humidity and therefore ideal for application in dry or desert climates. This material has a higher overall performance then the Type-2 material.AMS-S-8802 (Type I)CS 3205Polysulfide / DichromateFuel Tank Sealant
Electrically Conductive SealantUsed as a faying surface sealant. Meets all the requirements of AMS-S- 8802. Designed to conduct static electricity.STM 40-109 Rev. C CMNPO94 TY XVCS 3209Polysulfide / Manganese DioxideFay Surface
Low Density Pressurized Cabin SealantThe low specific gravity of 1.00 can result in substantial weight savings over conventional sealant.STM 40 107CS 3210Polysulfide / Manganese DioxideVoid Filler
Corrosion Inhibitive SealantA corrosion inhibitive sealant for use in the sealing and coating of metal components on weapons and aircraft systems for protection against corrosion when subject to contact with water and/or weathering.MIL-PRF-81733CS 3213 Class A B & CPolysulfide / Manganese DioxideFuel Tank Sealant
Windshield SealantA windshield sealant for use when setting or repairing windshields and transparencies of Glass, Acrylic, or Polycarbonate in composite or metal frames.AMS 3333CS 3247Polysulfide / Manganese DioxideWindshield Sealant
Corrosion Inhibitive Access Door SealantA non chromate Corrosion inhibiting sealant, used as an access door sealant for integral fuel tanks and pressurized cabins, as a strippable fillet and as a gasket for removable parts.AMS 3284 Type 2CS 3330 Cl CLASS A CS 3330 Cl CLASS BPolysulfide / Manganese DioxideAccess Door Sealant
Access Door SealantUsed as a strippable fillet for integral fuel tanks and pressurized cabins, as a strippable fillet and as a gasket for removable parts. Available Class A or Class B, 1/2 hr. or 2 hrs.AMS 3284 Type 1
Formerly Mil-S-8784B
CS 3330 CLASS A CS 3330 CLASS BPolysulfide / Manganese DioxideAccess Door Sealant
Top Coat & AdhesiveFuel tank, Buna N Type and high bond strength adhesive. Protective coating for synthetic rubber sealant and metal surfaces of integral fuel tanks. Protection against oils, fuels, fresh or salt water, corrosion and weathering.AMS 4383
formerly Mil-S-4383C (2)
CS 3600Rubber-basedProtective Coating
Room Temperature SiliconeUsed as an insulating coating and thermal barrier in missile applications where heat transfer must be retarded.Pratt & Whitney TS10425 Areojet - AGC 34076CS 3802SiliconeThermal Barrier
Room Temperature SiliconeChemically cured it is used for aircraft, missile and electronic applications.BMS-8-68 (Boeing) MMS M138 Rev. 13CS 3808SiliconeElectrical Potting Compounds
Low Density Silicone Thermal BarrierEasily applied, heavy coating to be used in areas where thermal insulation is required. Excellent adhesion, high electrical insulation properties, short term high temperature exposure to 600 deg. F or more.Various Company SpecsCS 3810SiliconeThermal Barrier
Polythioether Quick Repair Fuel SealantUsed on aircraft to yield weather tightness and fuel resistant seal. Able to cure at lower temperatures. Faster than standard sealant. CS 5310 Class B-2, CS 5306 Class A & Class B available 1/4 hr. & 1/2 hr. CS 5311 available Class A and Class B, 2 hr. 1/2 hr. and 1/4 hr.AMS 3277 Type I
Formerly Mil-S-29574
AMS 3277 Type II
No Primer required
formerly Mil-S-29574
CS 5306Polythioether / EpoxyFuel Tank Sealant
Polythioether Windshield Sealant Fast CureHigh temperature sealant. Developed for the installation and sealing of windshield and transparencies on high-speed aircraft.Flamemaster SpecificationCS 5447Polythioether / EpoxyWindshield Sealant
Corrosion Inhibitive SealantPermapol P5 polymer, High temperature, sealant - Non chromated. Will be used to replace Mil-S-81733 in some applications.AMS3265 FMS 3104
Formerly FMS 3055-1
CS 5500 CIPermapol® P-5 Polysulfide / Manganese DioxideFuel Tank Sealant
High Temperature Fuel Tank & FuselageUsed for sealing fuel tanks and on aircraft fuselage. Withstands higher temperatures than the standard AMS-S-8802 sealant. Available in Class A or Class B, with various application times.AMS 3276
Formerly Mil-S-83430,
FMS 1044,
FMS 3055
CS 5500 CLASS A
CS 5500 CLASS B
Permapol® P-5 Polysulfide / Manganese DioxideFuel Tank Sealant
High Temperature Low Density Fuel & FuselageHigh temperature resistant Low Density Sealant. Fuel tank and fuselage sealant. Density 1.3Flamemaster Specification Test to AMS 3281CS 5530Permapol® P-5 Polysulfide / Manganese DioxideFuselage Sealant
Aircraft Windshield SealantRoom Temperature cure, high temperature sealant. Used when installing and sealing windshields and transparencies.Flamemaster SpecificationCS 5547Permapol® P-5 Polysulfide / Manganese DioxideWindshield Sealant
Epoxy Sealant CompoundUsed for sealing and moisture proofing adhesive bonded structures. Available in three consistencies.STM 40-601CS 91Epoxy / AmineSpecialty Adhesives and Sealants