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Conductive Sealants / PPG Aerospace

PPG PR1764 B-2 Electrically Conductive Sealant 150 ML Semkit

Electrically conductive aerospace sealant supplied in 150 ml Semkit format for specialist bonding, sealing and shielding applications.

PPG PR1764 B-2 Electrically Conductive Sealant 150 ML Semkit

Documents

Technical and safety data

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Product information

Conductive sealing for bonding and shielding

PPG PR1764 Class B is a two-part, electrically conductive sealant designed to provide both corrosion protection and long-term EMI/RFI shielding in aerospace applications. Once cured, it maintains electrical continuity across bonded surfaces while offering resistance to aviation fuels, including jet fuel and avgas.

Electrical bondingSealed joints requiring electrical continuity.
EMI and static controlShielding and static discharge support.
Aircraft structuresControlled application around interfaces.

Full product record

Technical details, specifications and compliance notes

For technical buyers
01Product description

PPG PR1764 Class B is a two-part, electrically conductive sealant designed to provide both corrosion protection and long-term EMI/RFI shielding in aerospace applications. Once cured, it maintains electrical continuity across bonded surfaces while offering resistance to aviation fuels, including jet fuel and avgas.

02Product properties
BrandPPG
Pack Size150ml Semkit
Manufacturer NamePPG Industries
Manufacturer Part NumberPR1764 Class B
Product ColourBlack / Grey
Application Time2 Hours
Sealant ClassClass B
Sealant TypeElectrically Conductive, Two-Part Polythioether
UN NumberUN1133
Transport ClassClass 3
Commodity Code32141010
Country of OriginUnited States
SAEAMS 3266 Type 1 Class B-2
03Technical information

This sealant is a manganese dioxide-cured, nickel-filled polythioether compound based on Permapol P-3 technology. In its uncured state, it has a thixotropic, low-sag consistency, allowing controlled application using standard extrusion equipment or hand tools. When used with a suitable adhesion promoter such as PR148, it achieves strong bonding to typical aerospace substrates. The material performs across a service temperature range of -55°C (-67°F) to 121°C (250°F), with intermittent exposure up to 182°C (360°F). Its corrosion-inhibiting formulation helps protect aluminium alloys and interfaces between dissimilar metals from common corrosion mechanisms.

04Specifications

SAE AMS 3266 Type 1 Class B-2

Specifications and approvals may change. Always refer to the relevant AMM or OEM documentation to confirm suitability.