LOCTITE® AA H8100 (#1056942) Green, 2-Part, Non-Sag, Room Temperature Curing Methacrylate Acrylic Adhesive

Product Name

LOCTITE® AA H8100 (#1056942) Green, 2-Part, Non-Sag, Room Temperature Curing Methacrylate Acrylic Adhesive

Brief Description

LOCTITE® AA H8100 is a non-sag, two-component, room temperature curing methacrylate acrylic adhesive system. It is engineered for fast fixture time and excellent bond strength across a wide range of substrates, including metals, plastics, and composites. This adhesive forms resilient bonds, maintains its strength over a broad temperature range, and provides high elongation with excellent cold temperature impact strength.

Popular Applications & Uses

- Structural bonding of advanced materials in sectors like aerospace, automotive, and transport.- Bonding magnets in applications such as loudspeakers and electric motors.- Attaching panels for trucks and construction equipment, including side/roof panels, door panels, and aerodynamic components.- Composite bonding for truck trailer beds, fenders, stiffeners to door panels, and sliding roofs.- Marine applications such as bonding hulls, deck liners, ski boats, yachts, internal fixtures, canoes, and kayaks.- Bonding aluminum composite panels in building construction.- Fabrication of signage and displays, including acrylic panels, frames, and metal supports.- Plastic-to-metal joins in electronics and enclosures.- General industrial bonding where high strength, durability, and rapid processing are required.

Industries that Commonly Use It

- Aerospace/Defense- Automotive Service/Repair- Construction/ Building Services- Countertop- Electrical Services or Products- Energy- Fabrication- General Manufacturing- LED/Electronics- Marine- Metal Fabrication- Plastic Fabrication- Sign & Display- Transportation/ Specialty Vehicle

Special and Unique Features

- Non-sag formulation for easy application on vertical surfaces.- Fast fixture time and rapid cure at room temperature, enhancing production speed.- Provides excellent bond strength on a wide variety of substrates.- Offers high elongation and excellent cold temperature impact strength.- Maintains its strength effectively over a wide range of operating temperatures.- Exhibits excellent tolerance to off-ratio mixing.- Requires little or no surface preparation, simplifying the bonding process.- Forms resilient bonds that resist fatigue.- Resistant to shear, peel, and impact stresses.- Capable of bonding dissimilar materials effectively.- Offers good environmental resistance, including water, water/glycol, unleaded gasoline, salt fog, solvents, temperature swings, and vibration.- Can serve as a replacement for traditional mechanical fasteners like welding or riveting.- Possesses good gap-filling ability for irregular surfaces.

Key Properties

- Chemistry: Methacrylate Acrylic (2-part)- Color: Green (mixed)- Cure Method: Room temperature cure- Mix Ratio (by volume): 10:1- Viscosity: Non-sag- Fixture Time: Rapid, typically 15-20 seconds for grit blasted mild steel.- Full Cure: Achieves full strength typically within 24-72 hours at room temperature.- High tensile strength.- Excellent peel strength.- Minimal bond shrinkage.

Surface Compatibility

- Metals: Steel, Aluminum, Stainless Steel, Galvanized Steel, Grit Blasted Mild Steel.- Plastics: Polyethylene, Acrylic (PMMA), Epoxy, ABS, PVC, Polycarbonate, and certain low surface energy (LSE) plastics like polypropylene and polyethylene (with specific formulations).- Composites: FRP (Fiberglass Reinforced Plastic), Fiberglass, Carbon Fiber, Unsaturated Polyester, Vinyl Ester, Gelcoat, Sheet Molding Compound.- Glass.- Wood.- Magnets.

Known backups / known substitutes

- Other Methyl Methacrylate (MMA) adhesives from various manufacturers such as Permabond, Bostik, 3M, Adtech, Infinity Bond, and Ultralok.- Epoxy structural adhesives, though MMAs often offer advantages in cure speed, flexibility, and reduced surface preparation.- Polyurethane adhesives, where MMAs typically provide higher bond strength and better resistance to impact and fatigue.- Mechanical fasteners like welds, rivets, screws, and bolts, which MMAs are designed to replace for improved performance and aesthetics.

Comparison Note

LOCTITE® AA H8100, as a high-performance methacrylate acrylic adhesive, offers significant advantages over traditional mechanical fastening methods and often outperforms other structural adhesives like epoxies and polyurethanes. It stands out due to its rapid cure speed, inherent flexibility, excellent impact resistance, and minimal surface preparation requirements. This product is particularly effective for bonding dissimilar materials and maintaining robust strength across a wide range of temperatures and challenging environmental conditions.