Description
Loctite AA H4500 Multi-Substrate Bonding Acrylic Adhesive Overview
Loctite AA H4500 is a two-part, thixotropic adhesive system designed for high-strength bonding across a variety of substrates. This gray adhesive features a 10:1 mix ratio and maintains its strength over a wide range of temperatures. Suitable for metals, epoxy-coated materials, SMC, and plastics, it offers excellent environmental resistance, high impact and peel strength, and requires no primer for application.
Loctite AA H4500 Features and Benefits
- Wide Temperature Tolerance: Maintains bond strength under extreme conditions.
- Primer Not Required: Simplifies application for faster assembly.
- High Impact and Peel Strength: Provides durable bonds capable of withstanding stress.
- Thixotropic Formula: Ideal for gap filling up to 12.7 mm.
- Off-Ratio Mixing Tolerance: Ensures reliable performance even with slight mix deviations.
Specifications
- Series: Loctite AA H4500
- Type: Two Part Acrylic Adhesive
- Components: Resin & Hardener
- Application: Bonding
- Substrates: Steel, Aluminum, Stainless Steel, Epoxy Coated Metal, SMC, Plastic
- Color: Gray
- Available Sizes: 50 mL and 490 mL Cartridges
- Mix Ratio by Volume: 10:1
- Cure: Room Temperature Cure After Mixing
- Cure Time: 24 Hours @ 77F (25C)
- Shore D Hardeness: 73
- Working Time: 15 Minutes
- Fixture Time: 10 to 15 Minutes
- Glass Transition Temperature (Tg): 224.6F (107C)
- Linear Shrinkage: 6.2%
- Volume Shrinkage: 17.5%
- Elongation at Break: 11%
- Elongation at Yield: 5%
- Tensile Strength at Yield: 4,660 psi (32 N/mm)
- Tensile Modulus: 198,700 psi (1,370 N/mm)
- Storage Temperature: 35.6F to 46.4F (2C to 8C)
Recommended Applications
Ideal for bonding steel, aluminum, stainless steel, SMC, and plastics. Suitable for applications requiring high peel and impact strength in challenging environmental conditions.
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