Polycarbonate had earned the tag because the the most suitable material for usage within the automotive industry. However, in recent times, Polymethyl Methacrylate, the PMMA polymer or commonly known acrylic plastic, has efficiently risen for the growing demands with the automotive industry in replacing polycarbonate which are more important used in the industry, namely, automotive glazing.
Long established for usage in a number of vehicle applications such as decorative trim, ambient lighting and door entry strips, automotive glazing is one kind of those fields that provide the highest growth possibility of PMMA.
Related key top features of acrylic plastic that make it well suited for the process of automotive glazing are discussed below.
Light weight
To produce a comparison on the simple level, PMMA is half the body weight and more transparent than glass, thereby providing magnificent visibility even just in the truth of fluctuating and unstable temperatures. Due to its molecular structure, thermoformed acrylic glass are used almost mainly for car window glazing where all of the necessary requirements for light-weight materials which are safe, easy to process and perform in most weathers are met.
At the top of Scratch Resistance
Another essential requirement of glazing is scratch resistance. Standard PMMA already gets the highest surface hardness of thermoplastics regardless if uncoated. However, for automotive glazing, you can find stringent conditions being fulfilled to fulfill the optimal state of scratch resistance. The application of a coating thus remains mandatory. Considering that PMMA is intrinsically UV along with weathering-resistant, a single-step coating works well. In comparison, thermoplastics which may have low potential to deal with weathering demand a two-step coating system. This leads to relatively expense for coating.
New design possibilities
PMMA glazing is Forty to fifty percent lighter than conventional glass, which piques a persons vision of automobile manufacturers. With the advantages being immediately obvious, PMMA is currently known as the right fit for automotive glazing. Weight savings apart, the transparency of acrylic plastic as well as its high weathering resistance, pleasant acoustic properties, and exceptional form ability allow freedom enabling entirely new design possibilities.
Less negative feelings birefringence
PMMA exhibits almost no stress birefringence which serves as a major benefit over other thermoplastics such as polycarbonate, that has been primarily used for glazing before. In comparison with traditional materials such as polycarbonate, moulded PMMA, provides a distinct potential for functional integration – reducing recess depth and assembly costs.
Environment-friendly
The new goal within the automotive industry is to produce clean low fuel consumption vehicles. In the awareness and the requirement for eco-friendly initiatives in the present general scheme of things, PMMA serves as a perfect substitute for glass within the automotive glazing segment. As vehicle manufacturers push the bounds of design, so too is automotive glazing evolving.
SUMIPEX® PMMA polymer offers characteristics that fulfill the latest challenges within the transportation sector. It’s a monumental challenge for car makers that are looking to adjust to recent environmental requirements and they are contemplating alternatives that reduce greenhouse gas and save fuel. Oahu is the perfect partner within this movement given it helps make cars lighter.
Being a leading manufacturer of SUMIPEX® PMMA polymer, Sumitomo Chemical is satisfied to assist you in understanding its properties and just how it most suitable to automotive glazing.
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