The joints or surfaces you wish to bond must fit together.
Bonding acrylic sheets together.
Acrylic cement for example bonds plexiglass pieces permanently.
When connecting two acrylic sheets fabricators commonly use a substance called acrylic cement or weld on adhesive.
If acrylic sheeting is being welded for box corner joints apply solvent on the inside edge of the acrylic sheeting.
Unlike many other gluing processes acrylic glue softens the surfaces of the acrylic and welds them together chemically bonding the two pieces into one.
There are several cementing methods you can use to bond plexiglass to plastic or other materials.
The most popular plastics used for commercial and residential use are polystyrene pvc plexiglas and polycarbonate.
To glue acrylic with solvent glue typically a squeeze bottle applicator with a needle tip is used.
An investigation into alternatives to acrylic cement with things found at the hardware store.
The best method of gluing acrylic sheets together involves a chemical solvent that must be used very carefully.
Using a 25 gauge syringe apply a small amount of methylene chloride such as weld on 3 to the joint between the two acrylic glass pieces drawing the syringe toward you rather than pushing it away.
Use clamps or masking tape to hold acrylic sheeting in place while applying solvent.
Gluing acrylic sheets is a much different process.
The glue must be applied with a syringe because it is water thin and works by melting the acrylic to bond two pieces together.
How to bond acrylic sheet without acrylic cement.
Once you have these two things you can get started with bonding your sheets together.
To fuse the material all you need are your polycarbonate sheets and some methylene chloride which can easily be bought online.
Plexiglass pieces are not glued together they are chemically welded together using special cement.
In fact you are not necessarily gluing the two sheets together you are welding.
Acrylic is typically glued using solvent based glues such as weld on 4.
Acrylic is a very distinct material.
While it only takes 15 minutes for the acrylic to lightly bond a strong bond requires the acrylic cement to completely dry.
It is easy to bond the same kind of plastic together with the right adhesive but it may be difficult or impossible to bond different types of plastic no matter what glue is used.
Projects that require gluing two or more acrylic sheets together can be very difficult as acrylic should not be glued together with an adhesive.
Once this adhesive is applied it will actually soften the two plastic surfaces.
Bonding polycarbonate your best first step would be to thoroughly clean the areas that will be adhered.
