How To Weld Acrylic Sheets

Plexiglass sheets are acrylic or plastic sheets which are see through in nature these are used instead of glass sheets as they are light and shatter resistant.

How to weld acrylic sheets.

Hold the gun downward at about a 45 degree angle touching the edge of the nozzle to the plastic. Any of the two types of welding vibration welding and ultrasonic welding are used and the results depend on the shape and thickness of the sheets to be bonded. You can use a thinner to thin the mixture to create minimal brush marks. However since this method is used this blog mentions it too.

Use clamps or masking tape to hold acrylic sheeting in place while applying solvent. To glue acrylic with solvent glue typically a squeeze bottle applicator with a needle tip is used. Use masking tape on the glass to tape out the desired size and shape of the acrylic sheet. Apply the desired amount of acrylic fluid medium inside the tape using a one half to two inch soft artist brush.

Apply cement solvent on both sides of sheeting if you re applying to flat joints. If acrylic sheeting is being welded for box corner joints apply solvent on the inside edge of the acrylic sheeting. The cement will begin to dissolve the acrylic and form a strong bond immediately. Use a needle nose application bottle to apply the acrylic cement to the acrylic sheets.

Then heat the plastic until you see it beginning to melt. To weld two sheets of plexiglass we need to use plexiglass solvent. Seldom is welding used to join polycarbonates because the degree of success has never been constant. Allow the coating to fully dry.

It is also very economical and useful. Put the acrylic on the edge where you want it and place the needle of the glue filled applicator where the two pieces meet. Start at the top of the crack or area you wish to join. Capillary action will draw the glue into the joint.