Dapco DAPCO-3301 (4-oz-Kit)

Additional Product Information

Overview

DAPCO 3300 is a high-performance, clear, two-component silicone adhesive designed for bonding silicone rubber to a variety of substrates in aviation and MRO operations. It is widely used by maintenance and repair teams for its reliable room-temperature curing, flexible bonding, and long-lasting durability, ensuring aircraft components perform safely under demanding conditions.

Key Technical Specs for DAPCO 3300

• Type: Two-component, low-viscosity silicone adhesive
• Size/Volume: Available in standard kits; Part A and Part B mixed 100:10 by weight
• Color: Clear
• Viscosity/Consistency: 1000 cps @ 72 F (mixed)
• Cure/Working Time: Room temperature cure; working life up to 4 hours at 70 F (21 C)
• Tensile/Peel Strength: Adhesion strength to silicone rubber: 12 14 psi; Aluminum: 14 psi; Phenolic with primer: 10 psi
• Shore Hardness: Flexible bond upon full cure
• Service Temperature: -65 F to 200 F (-54 C to 93 C)
• Typical Uses: Bonding silicone rubber sheets, extrusions, RTV compounds to metal, glass, plastics, and silicone substrates
• Shelf Life: 6 months when stored below 80 F (27 C) in tightly sealed containers

Approvals & Specifications

• Meets manufacturer and military aircraft adhesive requirements
• Qualified for aerospace OEM applications
• Weatherable and stable under standard aviation environmental conditions

Typical Aircraft MRO / AOG Applications

• Bonding silicone seals and extrusions in aircraft environmental control systems
• Adhesion of RTV silicone components in engine and airframe assemblies
• Repair of flexible silicone hoses and gaskets during AOG situations
• General maintenance applications requiring high-temperature, weather-resistant adhesive bonds

Compatibility & Safety Notes

• Compatible with silicone rubber, aluminum, phenolic, glass, and plastics
• Use appropriate PPE, including gloves and eye protection, when handling
• Ensure surfaces are clean, dry, and free of oils, grease, and contaminants
• Keep away from ignition sources; flammable solvents present

Packaging & Procurement

• Available in two-component kits; Part A and Part B
• Easy-to-use mixing ratios for accurate application
• Store in cool, dry conditions below 80 F (27 C) with containers tightly sealed
• Convenient for field or hangar use during AOG operations

Why DAPCO 3300 is Chosen for AOG / MRO

• Provides fast, reliable bonding with flexible adhesion
• Versatile use across multiple substrates and aircraft systems
• Room-temperature curing supports rapid repairs in the field
• Minimal outgassing ensures safe use in sensitive aerospace environments

Practical Suggestions for Your Team (AOG Mindset)

• Keep stock of pre-measured kits for rapid deployment during aircraft maintenance
• Train personnel on proper mixing and surface preparation techniques
• Cover containers when not in use to maximize working life
• Discard partially gelled mixtures and prepare fresh batches for consistent performance

Manufacture / Aviation Spec Codes

• Manufacturer: Cytec Engineered Materials, Aircraft Products, Inc.
• Product ID: DAPCO 3300
• MIL/OEM/Export Codes: Meets relevant military and aerospace OEM adhesive specifications

Alternative Names & Descriptions

• DAPCO 3300 Silicone Adhesive
• Two-Part Silicone Adhesive DAPCO 3300
• Clear Room Temperature Cure Silicone Adhesive
• Aerospace RTV Silicone Bonding Compound
• DAPCOTM 3300 RTV Adhesive