Momentive SS4044P (500-ml-Btl)

Additional Product Information

Overview

The SS4044P Primer is a one-component, ready-to-use solution formulated to enhance adhesion of RTV silicone rubber adhesives to challenging substrates. In aviation and MRO applications, it ensures strong, reliable bonds on metals, porous materials, ceramics, and wood. Maintenance teams rely on it for consistent performance, colorless application, and fast room-temperature drying to minimize aircraft downtime.

Key Technical Specs for SS4044P Primer

• Type: One-component, solvent-based primer
• Size/Volume: Supplied in ready-to-use containers (various commercial sizes)
• Color: Light yellow, virtually colorless on application
• Viscosity/Consistency: Easily pourable liquid
• Cure/Working Time: Dries in approximately 30 minutes at room temperature (ambient humidity)
• Tensile/Peel Strength: Optimized for adhesion to metals, porous surfaces, ceramics, and wood
• Shore Hardness: Not applicable (primer layer)
• Service Temperature: Compatible with RTV silicone sealants operating within typical aircraft temperature ranges
• Typical Uses: Adhesion promotion for RTV silicone sealants, especially where substrate appearance must remain unaffected
• Shelf Life: Refer to Certificate of Analysis; store in tightly closed containers

Approvals & Specifications

• FDA compliant for incidental food contact (where applicable)
• Complies with Momentive Performance Materials internal quality standards

Typical Aircraft MRO / AOG Applications

• Sealing and bonding of aircraft panels and structural components
• Adhesion promotion for RTV silicone applications during cabin or cockpit refurbishments
• Maintenance bonding on metals, wood trim, and unglazed ceramics

Compatibility & Safety Notes

• Compatible with aluminum, copper, steel, stainless steel, brass, galvanized metals, porous surfaces, unglazed ceramics, and wood
• PPE: Use gloves and eye protection when handling solvents
• Store in a well-ventilated area; flammable liquid
• Avoid contamination of primed surfaces prior to RTV application

Packaging & Procurement

• Available in multiple container sizes for industrial or field use
• Ready-to-use liquid for brushing, wiping, or dipping
• Room-temperature storage recommended; keep containers tightly closed

Why SS4044P Primer is Chosen for AOG / MRO

• Transparent application preserves surface aesthetics
• Fast drying minimizes aircraft downtime
• One-component formulation simplifies handling in field or shop environments
• Reliable adhesion on challenging substrates

Practical Suggestions for Your Team (AOG Mindset)

• Stock multiple container sizes for quick field access
• Apply with a single, continuous stroke to avoid substrate crazing
• Allow 30 minutes drying at room temperature before RTV application
• Keep primed surfaces protected from dust and contaminants for up to 24 hours

Manufacture / Aviation Spec Codes

• Manufacturer: Momentive Performance Materials
• Product ID: SS4044P
• MIL/OEM Codes: Refer to Momentive documentation for applicable RTV primers

Alternative Names & Descriptions

• SS4044
• Momentive Primer 4044P
• RTV Adhesion Promoter SS4044P
• SS4044 Clear Primer
• Silicone Adhesion Primer SS4044P