Polycarbonate had earned the tag since the the best option material to use from the automotive industry. However, in recent times, Polymethyl Methacrylate, the PMMA polymer or commonly known acrylic plastic, has efficiently risen for the growing demands from the automotive industry in replacing polycarbonate for the best important use within a, namely, automotive glazing.

Long established to use in many different vehicle applications for example decorative trim, ambient lighting and door entry strips, automotive glazing is one kind of those fields that offer the best growth possibility of PMMA.
Related key popular features of acrylic plastic which render it well suited for the process of automotive glazing are discussed below.
Light-weight
To generate a comparison on the simple level, PMMA is half the body weight plus much more transparent than glass, thereby providing magnificent visibility even during the situation of fluctuating and unstable temperatures. Owing to its molecular structure, thermoformed polymer resin have become used almost just for car window glazing where each of the necessary requirements for light-weight materials that are safe, easy to process and perform in all of the weathers are met.
High on Scratch Resistance
Another important requirement for glazing is scratch resistance. Standard PMMA already has got the highest surface hardness coming from all thermoplastics even if uncoated. However, for automotive glazing, you’ll find stringent conditions to be fulfilled to meet the optimal state of scratch resistance. The usage of a coating is therefore mandatory. Due to the fact PMMA is intrinsically UV and also weathering-resistant, a single-step coating is effective. As opposed, thermoplastics who have low resistance to weathering need a two-step coating system. This leads to relatively expensive for coating.
New design possibilities
PMMA glazing is Forty to fifty percent lighter than conventional glass, which piques a persons vision of automobile manufacturers. Together with the advantages being immediately obvious, PMMA is currently viewed as the correct fit for automotive glazing. Weight savings apart, the transparency of acrylic plastic with its quite high weathering resistance, pleasant acoustic properties, and exceptional form ability allow freedom enabling entirely new design possibilities.
Less stress birefringence
PMMA exhibits hardly any stress birefringence which serves as a major benefit over other thermoplastics for example polycarbonate, which has been primarily employed for glazing in the past. In contrast to traditional materials for example polycarbonate, moulded PMMA, comes with a distinct possibility of functional integration – reducing recess depth and assembly costs.
Environment-friendly
The modern goal from the automotive market is to produce clean low fuel consumption vehicles. In the awareness as well as the dependence on eco-friendly initiatives with the current economic scheme of things, PMMA serves as a perfect replacement for glass from the automotive glazing segment. As vehicle manufacturers push the boundaries of design, so too is automotive glazing evolving.
SUMIPEX® PMMA polymer offers characteristics that meet the latest challenges from the transportation sector. It’s a monumental challenge for auto makers that are looking for to adjust to recent environmental requirements and are contemplating alternatives that reduce greenhouse gas and save fuel. It is the perfect partner within this movement since it can make cars lighter.
As a leading manufacturer of SUMIPEX® PMMA polymer, Sumitomo Chemical is satisfied to help you understand its properties and exactly how it ideal to automotive glazing.
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Polycarbonate had earned the tag since the the most suitable material for use in the automotive industry. However, recently, Polymethyl Methacrylate, the PMMA polymer or commonly known acrylic plastic, has efficiently risen for the growing demands in the automotive industry in replacing polycarbonate for the most important use within the market, namely, automotive glazing.

Long established for use in a variety of vehicle applications like decorative trim, ambient lighting and door entry strips, automotive glazing is one kind of those fields offering the very best growth prospect of PMMA.
Related key options that come with acrylic plastic that make it perfect for the whole process of automotive glazing are discussed below.
Light weight
To generate a comparison on a very basic level, PMMA is half the weight plus more transparent than glass, thereby providing magnificent visibility even in the truth of fluctuating and unstable temperatures. Owing to its molecular structure, thermoformed acrylic sheet are now used almost just for car window glazing where all the necessary requirements for light-weight materials which are safe, an easy task to process and perform in all weathers are met.
At the top of Scratch Resistance
Another critical requirement of glazing is scratch resistance. Standard PMMA already gets the highest surface hardness coming from all thermoplastics even when uncoated. However, for automotive glazing, you’ll find stringent conditions to become fulfilled in order to meet the optimal state of scratch resistance. The application of a coating is thus mandatory. Considering that PMMA is intrinsically UV along with weathering-resistant, a single-step coating is useful. In comparison, thermoplastics who have low effectiveness against weathering have to have a two-step coating system. This leads to relatively expensive 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 all the advantages being immediately obvious, PMMA is considered the best fit for automotive glazing. Weight savings apart, the transparency of acrylic plastic with its high weathering resistance, pleasant acoustic properties, and exceptional form ability allow freedom enabling entirely new design possibilities.
Less anxiety birefringence
PMMA exhibits almost no stress birefringence and this works as a major benefit over other thermoplastics like polycarbonate, that has been primarily used for glazing previously. In comparison with traditional materials like polycarbonate, moulded PMMA, offers a distinct possibility of functional integration – reducing recess depth and assembly costs.
Environment-friendly
The brand new goal in the automotive marketplace is to formulate clean low fuel consumption vehicles. Given the awareness along with the dependence on eco-friendly initiatives in the present general scheme of things, PMMA works as a perfect alternative to glass in the automotive glazing segment. As vehicle manufacturers push the bounds of design, so too is automotive glazing evolving.
SUMIPEX® PMMA polymer offers characteristics that satisfy the latest challenges in the transportation sector. It’s a monumental challenge for car makers looking to sit in recent environmental requirements and so are thinking of alternatives that reduce greenhouse gas and save fuel. It’s the perfect partner with this movement given it helps make cars lighter.
Being a leading manufacturer of SUMIPEX® PMMA polymer, Sumitomo Chemical is pleased to help you in understanding its properties and the way it most suitable to automotive glazing.
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Just how do a liquid which includes just 5 carbon atoms, 2 oxygen atoms and eight hydrogen atoms supply for robust purposes where thermal resistance, electrical resistance and mechanical strength is of prime importance? The solution lies in a word – “Polymerisation”.
Through this infographic, we trace the journey of MMA (Methyl Methacrylate), a liquid monomer which can be polymerised to lead to PMMA polymer (Polymethyl Methacrylate), and it is various grades.

MMA could be polymerised to PMMA through solution polymerisation, emulsion polymerisation and bulk polymerisation techniques. Each one of these reactions occur in the presence of a catalyst. The resulting pmma could be modified to varied shapes, sizes and forms depending on the additives.
Various grades of SUMIPEX®, the Polymethyl methacrylate resin produced by Sumitomo Chemical, which are obtained on adding additives are:
• ‘High Impact Grade of SUMIPEX® PMMA’ – Properties like high flow and good heat resistance get this to well suited for manufacturing extruded sheets/ pipes/ rods, construction materials, automotive parts and industrial applications
• ‘Extrusion Grade of SUMIPEX® PMMA’ – Good extrusion molding characteristics, high surface hardness, superb weatherability and excellent chemical resistance include the properties with this grade that favour its utilization in extruded sheets/ pipes/ rods.
• ‘Heat Resistant Grades of SUMIPEX® PMMA’ – Excellent heat resistance, excellent surface hardness and mechanical strength enables the application of this grade in automotive parts for example tail lamp, instrument cluster, optical Lens, general light fittings, etc.
• ‘Optical Grades of SUMIPEX® PMMA’ – With excellent heat resistance and flow properties, the optical grades with extremely low quantities of foreign contaminants can be used light Guide panels and optical lenses.
• ‘High Flow Grade of SUMIPEX® PMMA’- With characteristics like high-flow during injection molding and good moldability, this grade is mandatory for intricate parts and thin-wall parts molding for example watch and clock cover, lighting cover, name plate, house ware, etc.
• ‘General Purpose Grades of SUMIPEX® PMMA’ – General Purpose Grades determine difference between normal and optical grades/special grades. General Purpose Grades like MH, LG, LG2, etc. will comw with under “Extrusion Grade”, “Heat Resistance Grade” and “High Flow Grade”. With balanced properties for example heat resistance and mechanical strength, this grade is acceptable for making number of products for example house ware, stationery, telephone buttons, piano keys, electrical accessories, ornaments, etc.
For additional information about pmma you can check this popular site: check here

Just how do a liquid containing just 5 carbon atoms, 2 oxygen atoms and eight hydrogen atoms be used for durable purposes where thermal resistance, electrical resistance and mechanical strength is of prime importance? A better solution is based on one word – “Polymerisation”.
Through this infographic, we trace your way of MMA (Methyl Methacrylate), a liquid monomer that’s polymerised to bring about PMMA polymer (Polymethyl Methacrylate), and it is various grades.

MMA could be polymerised to PMMA through solution polymerisation, emulsion polymerisation and bulk polymerisation techniques. Every one of these reactions happen in the presence of a catalyst. The resulting methyl methacrylate resin could be modified to various shapes, sizes and forms depending on the additives.
Various grades of SUMIPEX®, the Polymethyl methacrylate resin produced by Sumitomo Chemical, which can be obtained on adding additives are:
• ‘High Impact Grade of SUMIPEX® PMMA’ – Properties like high flow and good heat resistance get this to ideal for manufacturing extruded sheets/ pipes/ rods, construction materials, automotive parts and industrial applications
• ‘Extrusion Grade of SUMIPEX® PMMA’ – Good extrusion molding characteristics, high surface hardness, superb weatherability and ideal chemical resistance will be the properties of this grade that favour its used in extruded sheets/ pipes/ rods.
• ‘Heat Resistant Grades of SUMIPEX® PMMA’ – Excellent heat resistance, excellent surface hardness and mechanical strength enables the usage of this grade in automotive parts like tail lamp, instrument cluster, optical Lens, general light fittings, etc.
• ‘Optical Grades of SUMIPEX® PMMA’ – With excellent heat resistance and flow properties, the optical grades with extremely low levels of foreign contaminants can be used light Guide panels and optical lenses.
• ‘High Flow Grade of SUMIPEX® PMMA’- With characteristics like high-flow during injection molding and good moldability, this grade is mandatory for intricate parts and thin-wall parts molding like watch and clock cover, lighting cover, name plate, house ware, etc.
• ‘General Purpose Grades of SUMIPEX® PMMA’ – General Purpose Grades determine among normal and optical grades/special grades. General Purpose Grades like MH, LG, LG2, etc. also come under “Extrusion Grade”, “Heat Resistance Grade” and “High Flow Grade”. With balanced properties like heat resistance and mechanical strength, this grade is suitable in making number of products like house ware, stationery, telephone buttons, piano keys, electrical accessories, ornaments, etc.
For more details about methyl methacrylate resin check this useful webpage: look at this

Just how do a liquid that has just 5 carbon atoms, 2 oxygen atoms and 8 hydrogen atoms be used for heavy duty purposes where thermal resistance, electrical resistance and mechanical strength is of prime importance? The result is in a word – “Polymerisation”.
Through this infographic, we trace right onto your pathway of MMA (Methyl Methacrylate), a liquid monomer that is polymerised to cause PMMA polymer (Polymethyl Methacrylate), and its particular various grades.

MMA can be polymerised to PMMA through solution polymerisation, emulsion polymerisation and bulk polymerisation techniques. Every one of these reactions take place in a good a catalyst. The resulting pmma suppliers can be modified to numerous shapes, sizes and forms depending on the additives.
Various grades of SUMIPEX®, the Polymethyl methacrylate resin created by Sumitomo Chemical, which are obtained on adding additives are:
• ‘High Impact Grade of SUMIPEX® PMMA’ – Properties like high flow and good heat resistance get this suitable for manufacturing extruded sheets/ pipes/ rods, construction materials, automotive parts and industrial applications
• ‘Extrusion Grade of SUMIPEX® PMMA’ – Good extrusion molding characteristics, high surface hardness, superb weatherability and excellent chemical resistance will be the properties with this grade that favour its use within extruded sheets/ pipes/ rods.
• ‘Heat Resistant Grades of SUMIPEX® PMMA’ – Excellent heat resistance, excellent surface hardness and mechanical strength enables the application of this grade in automotive parts like tail lamp, instrument cluster, optical Lens, general light fittings, etc.
• ‘Optical Grades of SUMIPEX® PMMA’ – With excellent heat resistance and flow properties, the optical grades with extremely low numbers of foreign contaminants bring light Guide panels and optical lenses.
• ‘High Flow Grade of SUMIPEX® PMMA’- With characteristics like high-flow during injection molding and good moldability, this grade is mandatory for intricate parts and thin-wall parts molding like watch and clock cover, lighting cover, name plate, house ware, etc.
• ‘General Purpose Grades of SUMIPEX® PMMA’ – General Purpose Grades determine among normal and optical grades/special grades. General Purpose Grades like MH, LG, LG2, etc. also come under “Extrusion Grade”, “Heat Resistance Grade” and “High Flow Grade”. With balanced properties like heat resistance and mechanical strength, this grade is suitable for making wide range of products like house ware, stationery, telephone buttons, piano keys, electrical accessories, ornaments, etc.
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