Description

Methyl Methacrylate Polymer CAS NO 68458-11-7 is a synthetic polymer derived from the monomer methyl methacrylate, known for its exceptional optical clarity, weather resistance, and mechanical strength. This versatile material is crucial for manufacturers requiring durable, transparent components with excellent weatherability and chemical resistance. It is essential for industries producing high-performance coatings, advanced adhesives, optical lenses, and impact-resistant plastics, serving as a foundational resin for applications demanding longevity and aesthetic quality.

Application

• High-Performance Coatings & Paints: Used as a primary resin in automotive, industrial, and architectural coatings for superior gloss retention, UV resistance, and durability.
• Adhesives & Sealants: Serves as a key component in structural adhesives and sealants, providing strong bonding, flexibility, and resistance to environmental degradation.
• Optical Components: Essential for manufacturing clear, scratch-resistant lenses, light guides, and optical films due to its high transparency and light transmission properties.
• Plastic Modifications & Impact Modifiers: Used to enhance the toughness, clarity, and surface hardness of other thermoplastic polymers like PVC and engineering plastics.
• Acrylic Sheet & Casting Resins: A fundamental material for producing cast acrylic sheets (PMMA), signage, sanitaryware, and displays.
• Industrial & Composite Materials: Employed in gel coats, synthetic marble, and composite materials requiring a robust, weather-resistant polymer matrix.

Basic Information

Product Name	Methyl Methacrylate Polymer
CAS No.	68458-11-7
Molecular Formula	(C5H8O2)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(methyl methacrylate); PMMA; Acrylic resin; Methyl methacrylate homopolymer; Acrylic polymer; Perspex; Plexiglas; Polymethylmethacrylate; 2-Methyl-2-propenoic acid methyl ester homopolymer
EINECS	Contact for details

Quality Control

Our Methyl Methacrylate Polymer is manufactured under a stringent quality management system. Each batch undergoes rigorous testing for key parameters including molecular weight distribution, viscosity, residual monomer content, and thermal properties to ensure consistent performance and compliance with relevant industry specifications. Certificates of Analysis (COA) detailing all test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from heat sources and open flames. Keep away from strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Colorless granules or pellets
Identification (IR)	Conforms to standard
Inherent Viscosity	Contact for details
Molecular Weight (Mw)	Contact for details
Residual Monomer	< 0.1%
Glass Transition Temp (Tg)	~105 °C
Light Transmittance	> 92%
Moisture Content	< 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.