SCIGRIP SG300-40 Metal Bonding Methacrylate Adhesive - 35 to 45 Minute Working Time

SCIGRIP SG300-40 Primerless Metal Bonding Acrylic Adhesive Overview

SCIGRIP SG300-40 Methacrylate Adhesive provides dependable bonding for metals, composites, and plastic components. This two-component adhesive features a 10:1 mix ratio and bonds most metals without the need for primer, simplifying preparation and improving efficiency. Available in black and off-white 490 mL cartridges, it offers a working time of 35 to 45 minutes and a fixture time of 80 to 90 minutes, making it ideal for large or complex assemblies. Designed to meet the specific requirements of the transportation industry, it minimizes bond line read-through for a clean, finished appearance on show surfaces.

Key Adhesive Properties

• Primerless Metal Bonding: Bonds most metals without surface preparation, saving time and effort.
• High Shear Strength: Provides reliable structural bonds for demanding applications.
• No-Sag Application: Ensures precise placement on vertical or inverted surfaces.
• Reduced Bond Line Read-Through: Minimizes visibility of adhesive lines for a smooth finish.
• Durable and Elastic: Resists fatigue, impact, and shock loads while maintaining flexibility.
• Environmental Resistance: Maintains strong, permanent bonds in harsh operating conditions.
• Extended Work and Fixture Times: Features a 35 to 45-minute working time and 80 to 90-minute fixture time, perfect for larger assemblies.

Specifications

• Model: SG300-40
• Type: Methacrylate Adhesive
• Application: Structural Bonding
• Substrates: Aluminum, Carbon Steel, Stainless Steel, Coated Metals, ABS, Acrylics, PVC/CPVC, Styrenics, Epoxy, Polyester/DCPD, Vinyl Ester, Gelcoats
• Colors: Black and Off-White
• Available Size: 490 mL Cartridge
• Mix Ratio by Volume: 10:1
• Mix Ratio by Weight: 9.0:1
• Mix Density: 1.02 g/cc
• Gap Fill: 0.02 - 0.375" (0.50 - 9.5 mm)
• Working Time: 35 - 45 Minutes
• Fixture Time: 80 - 90 Minutes
• Tensile Strength: 1,700 - 2,200 psi (12 - 15 MPa)
• Maximum Tensile Elongation: >40%
• Shear Strength: 2,300 - 2,800 psi (16 - 19 MPa)
• Tensile Modulus: >30,000 - 40,000 psi (207 - 276 MPa)
• Service Temperature: -40 to 180°F (-40 to 82°C)

Note: All results are based on testing at 75°F (24°C).