Description
This product is in the process of being discontinued. The replacement for this product is Weld-On #3 Clear Acrylic Cement – DCM & TCE Free.
Weld-On® 3 is a water-thin, ultra-fast-setting acrylic cement designed for precise capillary bonding of cast and extruded acrylic (PMMA). Known for its fast fixture time and optically clear seams, it’s a longtime favorite in sign fabrication, display assembly, and plastic container manufacturing.
⚠️ Important Notice – Legacy MC-Based Formula ⚠️
This version of Weld-On® 3 contains methylene chloride (MC) and trichloroethylene (TCE)—both of which are regulated by the EPA and OSHA due to cancer risk and workplace exposure limitationsweldon 3 legacy.
-
Production ended: July 31, 2025
-
Sales must stop by: January 28, 2026
-
Use beyond that date requires a Workplace Chemical Protection Plan (WCPP) through April 28, 2034
A fully compliant DCM & TCE Free version is now available with the same bond strength, fixture time, and water-thin viscosity.
Shop Weld-On® 3 DCM & TCE Free
Key Features & Benefits
-
Water-thin viscosity for precise capillary action
-
Extremely fast fixture time — initial bond forms in 1–2 minutes
-
High bond strength within hours
-
Ideal for museum-quality seams and clear display work
-
Frequently used for trim capping, container bonding, and sign letter placement
-
Best applied with syringe or dropper for precise control
Technical Specifications
-
Substrate Compatibility: Cast & extruded acrylic (not for cross-linked acrylic)
-
Color: Clear
-
Viscosity: Water thin
-
Working Time: 1 minute
-
Fixture Time: 2 minutes
-
Full Cure Time: 24 hours
-
Specific Gravity: 1.330 ± 0.01
-
Shelf Life: 2 years (sealed container)
-
Available Sizes: ¼ pint, pint, quart, gallon
Common Applications
-
Cementing acrylic letters to flat panels
-
Butyrate trim-capping
-
Display case fabrication
-
POP displays and signage
-
Plastic bottles, pre-forms, and containers
-
Acrylic subassemblies and structural bonds
Why Choose Weld-On 3?
Weld-On® 3 is unmatched in speed and clarity for precision acrylic bonding. However, due to regulatory changes, this MC-based version is being phased out. If you’re currently using this product in production, now is the time to evaluate and switch to the DCM & TCE Free alternative.
Order Today
The legacy formulation is only available through January 2026.
For long-term projects and compliance, switch to the Weld-On 3 DCM & TCE Free version.
Need SDS documents, regulatory guidance, or test samples? Contact [email protected] for assistance.
Reviews
There are no reviews yet.