Description
Weld-On® 46C is a two-component, clear, thixotropic, reactive acrylic adhesive designed for high-strength bonding of metals, acrylics, and plastics. Its translucent cure ensures invisible bond lines with no read-through, making it the ideal adhesive for sign fabrication, display manufacturing, and other precision assembly applications.
Weld-On 46C is ideal for sign and display manufacturing, bonding trim cap to polycarbonate lettering.
Key Features & Benefits
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Translucent Cure – Creates clear, invisible bond lines with no read-through.
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Fast Processing – Working time of 6–9 minutes; fixture in 15–25 minutes.
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High Bond Strength – Up to 2,200 psi on aluminum after 24 hours.
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No-Sag Formula – Excellent vertical hold, even on inverted surfaces.
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Primerless Metal Bonding – Requires only solvent cleaning on most metals.
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UL 746C Approved – Certified for indoor/outdoor electrical signage applications (File E322348).
Common Applications
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Sign & display manufacturing (trim cap to polycarbonate lettering)
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Metal-to-acrylic bonding
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Acrylic-to-acrylic and polycarbonate-to-polycarbonate joints
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Cold rolled steel and stainless steel assemblies
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General fabrication requiring clear adhesive lines
Technical Specifications
| Property | Value |
|---|---|
| Color (Mix) | Cures Clear |
| Mix Ratio | 10:1 (by volume) |
| Working Time | 6–9 minutes |
| Fixture Time | 15–25 minutes |
| Tensile Shear Strength (Aluminum) | 2,200 psi (15.2 MPa) |
| Tensile Shear Strength (Stainless Steel) | 1,900 psi (13.1 MPa) |
| Tensile Shear Strength (Acrylic) | 800 psi (5.5 MPa) – substrate break |
| Tensile Shear Strength (Polycarbonate) | 750 psi (5.2 MPa) – substrate break |
| Shelf Life | 9–12 months (stored at 50–80°F / 10–27°C) |
Weld-On 46C shown bonding plastic to metal with translucent cure.
Compliance & Certifications
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UL 746C Approved – Electrical equipment assemblies for indoor/outdoor signage (File E322348).
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VOC emissions ≤ 75 g/L.
Compatible Substrates
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Aluminum (primerless)
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Stainless steel
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Cold rolled steel
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Acrylic
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Polycarbonate
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PVC
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VEFRP
Packaging & Ordering Info
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50ml Cartridge – Case of 12 (Stock #35936)
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490ml Cartridge – Case of 12 (Stock #35935)
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Dispensing guns and mixing tips also available.
Upgrade your sign and display assemblies with Weld-On® 46C for a clear, reliable, and professional bond. Contact Chemical Concepts at (800) 220-1966 or request a quote online today.
Explore more options in our Structural Acrylic Adhesives Collection.
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