The Polymethyl Methacrylate (PMMA) is the best known type of acrylate. The methacrylic acid polymerized in bulk, in emulsion or in suspension produces a thermoplastic material of high molecular weight, precisely the PMMA. There are also some special variants, such as PMMA-HI (impact resistant) and PMMA + ABS (suitable for making components for the automotive, electrical and electronic).
CHARACTERISTICS AND APPLICATION FIELDS
The PMMA is usually present on the market in the form of semi-finished products such as plates, solid profiles and pipes, all characterized by great strength, good surface finish and high modulus of elasticity. With the addition of multi-functional components are obtained partially crosslinked materials. The PMMA can be processed by injection molding, extrusion and welding. Usually the molecular weight is so high that the only permitted subsequent processes are bonding, thermoforming and machining notch.
PMMA is a brittle material with high strength, not to mention the high surface hardness and excellent gloss. It also has a high modulus of elasticity. Can be polished, it is resistant to the elements and to various substances such as weak acids, not concentrated alkali, non-polar solvents, fats, oils and water. Stress can present cracks. And ‘transparent and it is suitable for coloring.
The PMMA can be used for the realization of piping components, sanitary equipments, glasses, lenses, housings, coverings, road signs, special masses in rigid or elastic formulation for surgery or orthopedics, stickers, discs for buttons or buttons, plates of lighting, cabin windows and electronic charts.
Shown below are the most common PMMA trade names available at LIMA.
PMMA: TRADE NAMES
Shown below are the most common trade names for the PMMA material.
Please remember that LIMA can provide both generic materials and materials covered by trademark (ie that show the TM or ® endorsements), based on the requirements of the customer. If the customer wishes to details made of plastic material covered by trademark, LIMA will stock up directly by the holding company of the said trademark.