Fix acrylic glass

Acrylic glass is just a popular working material for hobbyists and do-it-yourselfers, which can be edited in many ways. Of course, this also includes attaching acrylic glass. What has to be considered when fixing acrylic glass is explained below.

Acrylic glass - a versatile material

The technical plastic polymethyl methacrylate, PMMA for short, colloquially referred to as acrylic or Plexiglas, can be processed in a variety of techniques. These include the following edits:

  • Grind acrylic glass
  • Glue acrylic glass
  • Acrylic glass welding
  • Milling acrylic glass
  • Cut acrylic glass, saw
  • Pour acrylic glass
  • Drilling acrylic glass

Requirements for mounting with acrylic glass

All machining techniques also have an influence on the mounting options of acrylic glass. Because of the numerous processing options, different fastening techniques are available. Accordingly, the subsequent requirements should decide on the type of attachment of acrylic glass:

  • high mechanical load (tensile forces)
  • waterproof
  • again detachable or dismountable (dismountable)
  • Production of a unit (virtually the fusion of two acrylic glass parts)
  • Attachment with another acrylic part in general
  • Attachment with another plastic
  • Fastening with another material, non-technical plastic (metal, glass, wood, etc.)

Depending on what you would like to connect, different fastening techniques are available.

Screws of PMMA

Classic is probably the screwing of acrylic glass. Again, you can proceed differently:

  • self-tapping screws
  • screw into a thread in the acrylic glass
  • Tighten or rivet over a connecting hole with screw / threaded rod with locknut

Screws that are fastened differently (can be removed at any time)

With self-tapping screws, it is like many other materials you want to screw so: If you need to loosen such a screw and you want to tighten later, it may be that the connection does not hold so well. Likewise, the forces acting on a cut thread in the acrylic glass, can only be claimed to a certain extent.

On the other hand, screws that are locked on the opposite side with a nut can cause stress cracks in the acrylic glass when tightened too tightly. Nevertheless, the mechanical stress that can be exerted in principle is relatively high. For such screwed fasteners but not really waterproof.

Non-removable fasteners

If the fixing does not necessarily have to be dissolved at a later date, but should be waterproof, you can also glue the acrylic, weld it or cast it with acrylic. When gluing acrylic with acrylic, you can use glue that loosens the acrylic.

If the solvents that cause it evaporate, the acrylic hardens again and is firmly bonded together. The same principle also applies to the casting of two acrylic parts. Acrylic dissolved in solvent is painted on the two surfaces and glued together. When welding, the acrylic can also be welded to acrylic glass because of its thermoplastic properties.

Fixing acrylic with other materials and plastics

In order to obtain a strong bond with other materials or other plastics, the specialist trade offers different products especially for the adhesives, so that metal, glass or wood can be perfectly glued with acrylic glass. However, if you want to attach acrylic glass to another engineering plastic, you must use a product that is equally compatible with both plastics, especially in terms of chemical reactions.

Tips & Tricks

Of course, you can also use liquid acrylics to partially pour other materials into the acrylic. For example, a metal hook to attach to a wall or ceiling (on a suitable screw or nail, etc.).

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