When it comes to clear plastics, acrylic and PETG are two popular options. While they look similar at first glance, each material has unique properties that make it a better fit for different applications. In this guide, we’ll break down the key differences between acrylic and PETG to help you select the best material for your project!
What is Acrylic?
Acrylic (also known as PMMA or brands like Plexiglas® and Lucite®) is a transparent thermoplastic often used as a lightweight, shatter-resistant alternative to glass.
Key Advantages of Acrylic:
- Crystal Clarity: Offers exceptional optical clarity, even better than glass in some cases.
- Scratch Resistance: More resistant to surface scratches than polycarbonate.
- UV Resistance: Naturally resists yellowing and damage from sunlight.
- Cost-Effective: Generally more affordable than polycarbonate.
- Ease of Fabrication: Easy to cut, polish, and thermoform.
Typical Uses for Acrylic:
- Custom Display Cases
- Interior & Exterior Signage
- Clear partitions for offices, restaurants, etc.
- Tabletops & Shelving
- Brochure Holder & Display Stands
What is PETG?
PETG (Polyethylene Terephthalate Glycol) is a clear, tough thermoplastic that offers a balance of strength, flexibility, and ease of fabrication. It’s commonly used when impact resistance and ease of forming are priorities.
Key Advantages of PETG:
- Impact Resistance: More impact-resistant than acrylic, making it less likely to crack or shatter.
- Flexibility: Can be bent and shaped without cracking, even at thinner gauges.
- Ease of Fabrication: Very easy to cut, drill, and thermoform — lower risk of breakage during fabrication compared to acrylic.
- Food-Safe Options: Available in FDA-compliant grades for food and beverage applications.
- Cost-Effective: Typically, slightly less expensive than polycarbonate, but slightly more than basic acrylic.
Typical Uses for PETG:
- Protective clear cases for consumer goods
- Food containers and displays
- Medical device enclosures
- Retail displays that require high durability
- Rapid-formed custom shapes where glass-like clarity and strength are needed
Side-by-Side Comparison
| Property | Acrylic | PETG |
| Optical Clarity | Excellent | Very Good |
| Impact Resistance | Good | Very Good |
| Scratch Resistance | Better | Moderate (can scratch more easily) |
| UV Resistance | Very Good | Needs UV-stabilized versions |
| Workability | Easy, but can crack if stressed | Very easy, flexible during fabrication |
| Cost | Lower | Slightly higher |
Which Material is Right for Your Project?
- Choose Acrylic if you need superior optical clarity, scratch resistance, and a more rigid, glass-like look — ideal for signage, displays, and windows.
- Choose PETG if you need impact resistance, easy fabrication, and flexibility, especially for high-traffic environments, protective barriers, or when working with intricate designs.
Need help deciding?
Our team at BAW Plastics specializes in helping customers select the best material for their unique project needs. Contact us today to discuss your project and receive a custom quote!
See all the products we have made in the past here: Explore Our Product Catalog | Retail Display Solutions
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