Dowsil PR-1204

DOWSIL PR-1204 Adhesion Promoter

DOWSIL PR-1204 is an aircraft-grade adhesion promoter formulated to improve the bond strength of silicone sealants and coatings on metals, composites and other demanding substrates. Used extensively in aerospace, defence and MRO environments, it ensures stable surface preparation and long-term performance where reliable adhesion is essential.

This product supports consistent, durable bonding in critical areas such as aircraft structures, panels, fuel systems, components and repair work. Its fast-drying, easy-to-apply formulation enhances compatibility with a wide range of DOWSIL silicone materials, delivering strong interlayer adhesion even under challenging operating conditions.

Key Features

• Improves adhesion of silicone sealants and coatings
• Suitable for metals, composites and various aerospace substrates
• Fast-drying, easy-to-apply liquid formulation
• Supports long-term bonding stability and durability
• Widely used in aviation, defence and MRO maintenance programmes

Typical Applications

• Aircraft structural sealing and bonding
• Surface preparation before silicone sealant application
• Maintenance, repair and overhaul operations
• Bond optimisation on metal and composite surfaces