Plastic Material-PMMA
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Introduction of PMMA
Polymethyl methacrylate, commonly known as PMMA, is a transparent and versatile synthetic polymer with a wide range of applications. It is a type of acrylic material that offers optical clarity, high impact resistance, and ease of processing, making it a popular choice in various industries. PMMA is recognized for its ability to mimic the appearance of glass while being lighter and more shatter-resistant, which has led to its use in both practical and aesthetic applications.
PMMA Information
Process: Injection Molding, Insert Molding, Overmolding, CNC Machining, 3D Printing
Colors: custom-colors
Tolerance:±0.1mm to ±0.5mm
Price: Cost-effective material
Application: architectural glazing, automotive lenses, lighting fixtures, displays, medical devices, consumer goods, and more.
Recommended Wall Thickness: 1mm-5mm
PMMA Properties
PMMA stands for Polymethyl Methacrylate, a transparent thermoplastic material commonly known as acrylic or acrylic glass. Here’s a table summarizing some typical properties of Polymethyl Methacrylate (PMMA):
Property | Value |
Density (g/cm³) | 1.17-1.20 |
Shrinkage Rate (%) | 0.2-0.8 |
Pockwell Hardness | M75-M105 |
Tensile Strength at Yield (MPa) | 50-70 |
Elongation at Break (%) | 2-5 |
Flexural Modulus (GPa) | 2.5-3.2 |
Flexural Strength (MPa) | 90-120 |
Drying Temperature (°C) | 70 – 80 |
Drying Time (hrs) | 2 – 4 |
Melt Temperature (°C) | 160-220 |
Mold Temperature (°C) | 40-70 |
FAQ About PMMA Plastic Material
PMMA offers optical clarity, impact resistance, ease of processing, UV resistance, lightweight nature, and versatility in design.
PMMA is lighter, impact-resistant, and shatter-resistant compared to glass. It also has good optical properties and is easier to process.
PMMA has lower scratch resistance compared to glass and certain other plastics. It can also experience thermal expansion under elevated temperatures.
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