Weld Mount AT-8040 is a 1:1, meter-mix methacrylate-based structural adhesive. Engineered to bond a variety of materials including thermoplastics, thermosets, composites, and metals, this adhesive shines in versatility. Count on its remarkable adhesion to various metal surfaces like aluminum, galvanized, stainless, and plated steels. Surpassing the strength of PVC, ABS, acrylic, polycarbonate, fiberglass, and many other composites and engineering plastics, it forms robust, high-strength bonds with no surface preparation needed. With a quick 3-4 minute open time, you can expect swift fixture. This non-sag, high-viscosity adhesive, enriched with a special filler, secures anchoring studs and clips to walls and ceilings. Reach for AT-8040 for dependable low-temperature impact and peel strength. This formula is compliant with Reach regulations and is acid-free, ensuring reliability and quality.

Chemical Family: Methacrylates

Product Type: 2K (2 component) Adhesive, Structural Adhesive

Compatible Substrates & Surfaces: Aluminum, Composites, Galvanized Steel, Metal, Plastics, Plated Steel, Stainless Steel

Features: Chemical Resistant, Excellent Substrate Adhesion, Excellent Toughness, Fast Fixation, Good Bonding Strength, Good Green Strength, Good Peeling Strength, Good Sagging Resistance, High Viscosity, Low Temperature Impact Resistance, Room Temperature Curing

Technical Data Sheet
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Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Labeling Claims
Product Highlights
  • AT-8040 is a 1:1, meter-mix, methacrylate-based structural adhesive formulated to bond engineered thermoplastics, thermosets,composites, and metal structural elements in any combination.
  • It has excellent adhesion to as-received metal surfaces, includingaluminum, galvanized, stainless and plated steels.
  • It exceeds the strength of PVC, ABS, acrylic, polycarbonate, fiberglass andmany other composites and engineering plastics.
  • It forms tough, high-strength bonds without surface preparation, primers, orchemical wipes.
  • It features a 3-4 minute open time for fast fixturing.
  • This product is formulated as a non-sag, high viscosity product with a special filler for holding anchoring studs and clips to walls and ceilings and is easily dispensed from cartridges withstatic mixer tubes. AT-8040 also provides low temperature impact and peel strength.
  • This formulation is Reach Compliant and acid free.
  • Substrate : Almost all substrates (except low energy & rubber)
  • Non-slide General Purpose Bonder 30 ml cartridge
  • Dispense Gun : AT-300
  • Static Mix Tip : AT-850 3.25" Mix Tip

Applications & Uses


Mechanical Properties
ValueUnitsTest Method / Conditions
Peel Strength (Steel, at 0.432 mm Gap)11.4N/mmASTM D 1876
Impact Strength (Aluminum, 2 kg Hammer)9.6KJ/m²GM9751P
Tensile Shear (Steel, After 24 Hours Cure)22.0N/mm²ASTM D1002
Tensile Shear (Aluminum, After 24 Hours Cure)22.4N/mm²ASTM D1002
Tensile Shear (Galvanized, After 24 Hours Cure)15.2N/mm²ASTM D1002
Tensile Shear (Steel, After 1 Hours Cure (Approx 75% full cure))16.6N/mm²ASTM D1002
Tensile Shear (Aluminum, After 1 Hours Cure (Approx 75% full cure))16.7N/mm²ASTM D1002
Tensile Shear (Galvanized, After 1 Hours Cure (Approx 75% full cure))12.4N/mm²ASTM D1002
Uncured Properties
ValueUnitsTest Method / Conditions
Brookfield Viscosity (Part A, TD at 2.5 rpm)250000.0cPs-
Brookfield Viscosity (Part B, TD at 2.5 rpm)350000.0cPs-
Brookfield Viscosity (Part A, TD at 20 rpm)50000.0cPs-
Brookfield Viscosity (Part B, TD at 20 rpm)90000.0cPs-
Density (Part A)8.82pounds/gallon-
Density (Part B)8.45pounds/gallon-
Mix Ratio1:1Weight & Volume-
Typical Cured Properties
ValueUnitsTest Method / Conditions
Hardness (Shore D)68 - 70--
Operating Temperature- 40 to 125°C-
Brookfield Viscosity (Mixed, TD at 2.5 rpm)265000.0cPs-
Brookfield Viscosity (Mixed, TD at 20 rpm)65000.0cPs-
Density (Mixed)8.63pounds/gallon-
Working Time3 - 4Minutes-
Fixture Time (3 kg weight, Aluminum/ Aluminum)5 - 6Minutes-
Peak Exotherm Temperature (Range)125 to 135°C-
Peak Exotherm Time (Range)12 - 14Minutes-
Chemical Resistance
  • AT-8040 exhibits good resistance to commonly encountered service environments and chemicals.
  • Resistance to specific chemicals and environments must be tested by the end-user to ensure theadhesive is compatible to both the substrate and the environment.

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging Information

AT-8040 is available in 50 ml, 400 ml, and 5-gallon pail kits.

Storage & Handling

Shelf Life
6 months (in original sealed bulk containers), 12 months (in cartridges)
Storage Conditions
  • The materials can be used with conventional meter/mix dispense equipment.
  • All materials should be stored in a cool place when not used for anextended period of time.
  • Do not freeze.
  • Shelf life of this product is six (6) months at 73°F (23°C) whenstored in original sealed bulk containers and 12 months in cartridges.