- Applicator Bottle with Needle Optional
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Weld-On 4 Acrylic Adhesive - 4 Oz and Weld-On Applicator Bottle with Needle
|Price:||$7.88 + $4.50 shipping|
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|EAN||5915903851190 , 7241870887565 , 7535001383355|
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Moderately Fast-Setting Solvent Cement for Bonding Acrylic. WELD-ON 4 is a water-thin, somewhat flammable cement formulated to quickly develop very clear and high strength bonds for many thermoplastic substrates. The bond is achieved by first softening the surfaces to be joined and then fusing them together with the dissipation of the solvent. The initial bond forms within a matter of minutes and is followed by a significant and continual increase in bond strength over the next several hours. WELD-ON 4 may be preferred by some plastic fabricators because it is less likely to leave white marks (commonly called blushing). For similar applications but faster setting cement, WELD-ON 3 is recommended. Weld-On 4 Acrylic Adhesive water thin, somewhat flammable, moderately fast-setting, blush-resistant solvent cement for bonding acrylic. It will also bond with other thermoplastics such as polystyrene, CAB (cellulose acetate butyrate), and polycarbonate to themselves. Does not bond to cross-linked acrylics. SUBSTRATE RECOMMENDATIONS : WELD-ON 4 is formulated as a blush-resistant cement for bonding acrylic (poly-methyl methacrylate) to itself. It will also form strong bonds with other thermoplastics such as polystyrene, CAB (cellulose acetate butyrate), and polycarbonate to themselves. It is not recommended for cross-linked acrylic. SUGGESTED BONDING APPLICATIONS: WELD-ON 4 is used extensively in sign fabrication for cementing acrylic letters to fat acrylic presentation panels and trim-capping of cut out acrylic letters. Strong butt joints are made with fat sheets by using the soak method. WELD-ON 4 is also widely used in many applications e.g. fabrication of display and presentation cases, medical equipment assembly, the bonding of plastic containers and pre-forms, and in the manufacture of numerous solvent welded structures and subassemblies using the capillary method. Color: Clear Contents of
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If you're using this solvent intermittently, I don't see you having a problem as long as you do your work in a well ventilated area. But if you regularly need to use this stuff, be sure you do it in a fume hood with plenty of access to fresh air. Please google "Methylene Chloride" for proper handling instructions, an MSDS, and to educate yourself about the possibly cancerous effects of the stuff.
The seller should really attach a warning to the product.
It worked well enough for acrylic. I did have a little more trouble stick acrylic and polycarbonate together. I don't if this was designed to adhere to poly or not, I'm not an expert just a guy doing a hobby project.
I'm not sure why others have struggled with it, but they may have applied it more as a glue or silicone rather than a solvent that welds the 2 pieces together. This will only work if you squirter a small amount inside the full length of the crevasse between the pieces, don't overapply.
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Also, won't work on "scratch resistant" acrylic.Read more