PMMA
List of Plastic Material
List of Elastomer & Rubber
List of Metal Material
Price
$$$$$
Strength
Relatively low scratch resistance, limited chemical resistance, poor impact resistance
Weakness
Poor resistance to acids and bases, limited resistance to high temperatures, and challenges in achieving high-quality surface finishes
Common Application
Headlight lenses, windows, illuminated signs, electronic screens, dental materials
| Property | Metric | English |
|---|---|---|
| Density | 1.17-1.2 g/cm³ | 73.01-74.89 lb/ft³ |
| Shore Hardness D | 90-99 | 90-99 |
| Transparency | 80-93% | 80-93% |
| Max Temp. Air | 70~90 °C | 158~194 °F |
| Flammabilitiy, UL94 | HB | HB |
| Elongation at Break | 2-10% | 2-10% |
*Please Note: Material properties are for reference only and may vary by brand.
How Additives Improve PMMA Properties?
In PMMA plastic material, By incorporating suitable additives into PMMA formulations, its properties can be tailored to meet the requirement of various applications.
- Plasticizers increase the flexibility and impact resistance of PMMA, making it less brittle.
- Silica or glass microspheres can be added to PMMA to enhance its mechanical properties, such as strength, stiffness, and dimensional stability.
- UV stabilizers enhance the weatherability of PMMA by protecting it from degradation.
- Colorants are added to PMMA formulations to achieve specific aesthetic requirements.
- Flame retardants increase the fire resistance of PMMA.
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Is PMMA material recyclable?
Polymethyl methacrylate is highly biocompatible. Recycled Acrylic can be formed into sheets. They are used in:
- The construction of windows and doors,
- The medical sector,
- The advertising industry, and more.
Is PMMA material toxic?
Acrylic, a BPA-free alternative to PC, is non-toxic in its solid state and naturally compatible with human tissue. In the past, it was commonly used for contact lenses and is now utilized for dental implants and bone replacements.
What is the difference between PMMA and PC?
PMMA is transparent, rigid, and less impact-resistant compared to PC. PC, on the other hand, is stronger, more impact-resistant, and has higher temperature resistance than PMMA.
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