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Weld-On® 4 is a water-thin cement formulated to develop clear bond within minutes with a longer time full bond strength than Weld-On 3. It is less likely to leave white marks (commonly called blushing) with significant and increased strength reached over several hours.
Not recommended for cross-linked acrylic.
SUBSTRATE RECOMMENDATIONS A blush-resistant cement for bonding acrylic (poly-methyl methacrylate) to itself.
The bond is achieved by first softening the surfaces to be joined and then fusing them together with dissipation of the solvent. Strong butt joints are made with flat sheets by using the soak method for such applications as cementing letters to acrylic panels.
Used extensively for fabrication and cementing of: