How To Weld Acrylic Sheets

Use clamps or masking tape to hold acrylic sheeting in place while applying solvent.

How to weld acrylic sheets.

Start at the top of the crack or area you wish to join. Hold the gun downward at about a 45 degree angle touching the edge of the nozzle to the plastic. However since this method is used this blog mentions it too. 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. Seldom is welding used to join polycarbonates because the degree of success has never been constant. Put the acrylic on the edge where you want it and place the needle of the glue filled applicator where the two pieces meet. 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.

If acrylic sheeting is being welded for box corner joints apply solvent on the inside edge of the acrylic sheeting. To glue acrylic with solvent glue typically a squeeze bottle applicator with a needle tip is used. To weld two sheets of plexiglass we need to use plexiglass solvent. Apply cement solvent on both sides of sheeting if you re applying to flat joints.

Allow the coating to fully dry. Lightly squeeze the applicator while pulling it toward you. Then heat the plastic until you see it beginning to melt. Use masking tape on the glass to tape out the desired size and shape of the acrylic sheet.

Move the tip of the welding gun slowly over the plastic for a speed weld. 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. Capillary action will draw the glue into the joint.