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Acrylic is usually the best choice for a glass-like finish and outdoor clarity; polycarbonate is the strongest choice when impact resistance and heat matter; and PETG is often easiest to thermoform into complex shapes. None is the universal winner: the right sheet depends on its grade, thickness, support, exposure and fabrication method.
At a glance
| Choose | When your priority is | Watch out for |
|---|---|---|
| Acrylic (PMMA) | High visual clarity, a polished appearance, surface hardness, outdoor weathering, or laser cutting. | It is more brittle under impact than polycarbonate and can crack or craze around holes or under stress. |
| Polycarbonate (PC), including Lexan | Impact resistance, toughness, cold-weather durability, or higher heat capability. | Uncoated PC scratches more easily; outdoor service may require a UV-protected grade or coating. |
| PETG | Thermoforming, deep draws, fabrication versatility, or a potentially useful balance of toughness and chemical resistance. | Its heat capability is generally lower than PC’s, and outdoor performance must be confirmed for the exact grade. |
These are general tendencies, not guarantees for every sheet. Thickness, sheet-making process, coatings, color, grade and test method can change the result. For construction glazing, guards or other safety-critical work, select and size the actual product for the applicable loads and code—not just the polymer name.
What the names mean
Acrylic usually means polymethyl methacrylate (PMMA), a rigid transparent thermoplastic used in signs, displays and glazing. Cast acrylic is commonly chosen for laser cutting, engraving, solvent bonding and optical finish; extruded acrylic is often selected for cost, consistent thickness and forming. They are not interchangeable specifications, and impact-modified or outdoor grades may behave differently from general-purpose sheet. See acrylic material information.
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Polycarbonate (PC) is a tough, transparent engineering thermoplastic. Lexan is a SABIC brand family of polycarbonate products, not a separate type of plastic. Lexan sheet is sold in multiple constructions and grades, including UV-protected, coated and specialty products. Confirm the product code, surface treatment and technical data rather than assuming every PC sheet has the same performance. SABIC describes LEXAN resin as polycarbonate; LEXAN sheet products include different sheet options.
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- SUPERIOR MATERIAL--This plexiglass sheets 1/8 inch thick is made from recyclable PET material, making plexiglass sheets non-toxic and environmentally friendly.The plexiglass is equipped with an anti-ultraviolet coating, so plexiglass cut to size provids excellent UV resistance and scratch resistance properties. In addition, a protective paper on the surface of the plexi glass protect the surface from scratches, stains and fingerprints.
- MULTI-PURPOSE--Your go-to material for endless projects! These acrylic sheets can ideal for DIY craft projects, and plastic sheet are great for wedding invitations, table top and protective barriers, acrylic signs, display cases, photography backdrops, wall art, art studio palettes, work surfaces, window glass, decorative projects, engraving and painting projects. Let your imagination run wild!
- HIGN DURABILITY--The clear acrylic sheet not only has better clarity, but also unlike glass, this plexiglass sheet naturally possesses shatter resistance and is extremely durable，and clear plexiglass cut to size is not only prone to deformation but also plexiglass sheets chemical resistance. Plexiglass panels are extremely lightweight, making it easy to operate and install in all of projects.
- EASY TO DIY--Unleash your creativity with ease! This 1/8 plexiglass sheets is remarkably easy to cut to size. You can ues plexiglass sheets 1/8 inch thick cut to size achieve clean, precise cuts with a engraving machine，table saw, miter saw, jigsaw, router, or rotary tool—perfect for achieving polished edges. Acrylic sheets also drills cleanly with any standard drill bit. The plexiglass sheets offers plenty of material to bring your unique vision to life.
- FULL SIZE -- Our plexiglass sheets 24x36 come in a full range of sizes and are all available in sets of 2 or 5. Polycarbonate sheet can be combined and put together at will, with this set, you will be free to create whatever you want with plxeiglass sheets. Whether you're a professional artist, hobbyist, or beginner, acrylic sheet are great for all kinds of crafting and DIY projects, and your ideas determine their endless possibilities!
PETG is a glycol-modified PET copolyester. It is related to PET but is not identical to ordinary bottle PET. Sheet grades are widely used in formed displays, covers, trays and barriers. Food-contact compliance, fire performance and outdoor suitability are product-specific, not properties to assume from the letters PETG alone. Product data for Plaskolite VIVAK and Eastman Spectar illustrates why the exact grade matters.
How the materials compare
| Property | Acrylic / PMMA | Polycarbonate / PC | PETG |
|---|---|---|---|
| Clarity | Usually the strongest choice for a glass-like appearance. | Very clear, though common comparisons often place it below acrylic. | Very clear; results vary by product. |
| Impact | Least forgiving under impact; can still be suitable when properly designed and supported. | Usually the highest impact resistance of the three. | Often tougher than general-purpose acrylic, but normally not a substitute for PC where impact margin is critical. |
| Surface wear | Generally harder and more scratch-resistant than uncoated PC. | Scratches relatively easily unless a suitable hard coat is used. | Surface performance is product-specific; do not assume all grades have repairable scratches. |
| Sun and weather | Often a good starting point for outdoor clarity and weathering; confirm the grade. | Use a grade designed for outdoor exposure, such as UV-stabilized, capped or coated sheet. | Verify documented weathering performance before permanent outdoor use. |
| Heat | Moderate. | Generally the best of these three for heat, subject to grade and load. | Generally lower heat-deflection capability than PC. |
| Forming | Can be thermoformed; often selected where finish and optics matter. | Can be formed, but may demand more process control and higher temperatures. | Often an attractive choice for deep draws and complex thermoformed shapes. |
| Laser cutting | Commonly preferred, especially suitable cast acrylic. | Ordinary PC sheet is generally not the standard choice for laser cutting. | Requires process-specific evaluation; do not assume acrylic-like edges or settings. |
| Chemicals and cleaning | Solvent-sensitive; check the specific cleaner and stress conditions. | Some solvents and cleaners can cause stress cracking or other damage. | Often a promising starting point, but compatibility remains chemical- and grade-specific. |
| Food contact | Only if the exact grade and finished assembly have suitable documentation. | Only if the exact grade and use have suitable documentation. | Some grades are documented for food contact; the polymer name alone is not proof. |
Published transmission figures show why a single ranking should not be treated as a specification: one comparison gives representative values around 92% for acrylic, 88% for PC and 90% for PETG, while manufacturer data lists 86% for VIVAK and 91% for Spectar Clear. Thickness, haze, color, surface and test method affect these measurements. See the representative comparison, VIVAK data and Spectar data. Transmission alone does not capture perceived clarity: haze, gloss, thickness, edge finish and reflections also matter.
Acrylic: best for appearance, not impact abuse
Acrylic is a strong choice for display windows, picture covers, illuminated signs, lenses and decorative glazing where appearance and clarity matter. It is generally harder at the surface than uncoated PC, and an edge can be polished to a clean finish. Acrylic is also commonly suited to laser cutting and engraving when the sheet grade and equipment are appropriate.
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- Package Include: 10 pcs 20 Mil 8.5 x 11 inch clear PET sheets, large and wide enough polycarbonate sheet to provide excellent support for your complex design projects.
- Reliable Quality: Our clear plastic sheets are made using premium grade, highly durable materials, a combination of PET plexiglass and smooth finishes which is easy to clean.
- Double Sided Protective Film: Clear plastic board sheet have double sided protective film to ensure scratch and damage free sheets. Remove the clear protective film on both sides of the PET sheets before use.
- Easy to Cut: Simply cut your designed stencils out of the stencil card with a cutting machine. The flexible and bendable mylar sheets for stencils are washable & therefore reusable. Enough stiffness and flexibility for various crafting projects.
- Wide Range of Applications: The clear PET sheet is an excellent solution for a wide variety of activities, including poster framing, photo framing, arts & crafts, painting, printed signs, arts and crafts, DIY face shields and more.
Its trade-off is brittle failure. It can chip, crack or craze if struck, drilled poorly, clamped under stress or exposed to an incompatible solvent. That does not mean acrylic cannot carry a load: its suitability depends on thickness, support, geometry and design. For an exposed guard or safety screen, consider what happens if the panel is hit and whether brittle fracture is acceptable.
For outdoor signs or glazing, start with an appropriate outdoor acrylic grade and check the manufacturer’s data for the intended exposure and service life. “Acrylic” by itself is not a weathering specification.
Polycarbonate: best for impact and higher heat
When a transparent panel may be hit, dropped against, vandalized or exposed to cold-weather impact, polycarbonate is usually the strongest starting point. Its toughness also makes it useful for machine guards, protective covers and impact-resistant glazing. Suitable sheet can be machined and, in some applications, cold-formed. Fabrication guidance for Lexan sheet describes cold-forming applications; allowable curves still depend on the exact sheet and design.
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- Polycarbonate / Polycarb (PC sheet) is the superior choice over Plexiglass for use around the home, workshop, car, and in the VEX Robotics Competition. Extremely easily workable without cracking or chipping. Exclusive EasyRuler Protective Film makes work even easier, then just peel it off to expose a pristine, smooth, clear surface.
- Shatter resistant, easy to cut, drill, bend, and thermoform. Use simple tools like snips or hacksaws to cut and standard drill bits without cracking or fracturing. Simple to bend with a heat gun, may also be cold-bendable. Thermoformable, often used for vacuum molding.
- This polycarbonate plastic sheet is manufactured from 100% virgin, brand-name polycarbonate PC resin. This means you get the same high quality clear plastic sheet you expect with the exclusive EasyRuler film you can't find anywhere else. This polycarbonate sheet is UV stabilized, making it suitable for general-purpose applications with moderate sunlight exposure. For significant direct sun exposure over extended periods, UV coated sheets are recommended.
- Exact size sheet is precisely 12x12", unlike other nominal sheets that can be up to 1/4" smaller than specified. Includes a single accurately square & straight cut sheet of 1/16" (0.060 inch, approx 1.5mm/1.6mm) thick Polycarbonate. 1 foot by 1 feet, 1/16 inch (0.06 inches) thick.
- DIY Picture Frame glass sheet replacement, like PET or glass for 4x6 picture frame, 5x7 photo, 8x10 image mounting, 11x14 photo frame fixing. VEX Robotics Plastic Sheet. The best resource for VEX EDR Robotics plastic sheet. Legal for use on VEX Robotics competition robots: Rule R9 permitted.
PC’s common drawbacks are a softer, more scratch-prone surface and the need to choose carefully for outdoor exposure. For long-term sunlight, specify a UV-stabilized, capped or coated product intended for that environment. Some LEXAN grades are designed for improved outdoor weathering; unprotected PC should not be treated as equivalent. Hard-coated versions can improve abrasion resistance, but coatings may affect forming, chemical compatibility and finishing.
Polycarbonate generally handles heat better than acrylic and PETG, but no broad temperature number replaces the product’s service data. A loaded panel, an unsupported panel, a brief temperature spike and continuous service are different conditions. For construction use near heaters, engines, lights or hot enclosures, check the exact rating and the expected load.
PETG: best for many formed parts
PETG often makes sense when the shape is the hard part of the job. It is widely used for thermoformed displays, trays, covers, barriers and enclosures, including parts with deeper draws or more complex geometry. It can also be routed, bent, printed or die-cut in suitable grades. Eastman describes Spectar as suitable for deep thermoforming, while Plaskolite gives a forming range for VIVAK; follow the exact manufacturer’s process guidance rather than transferring settings between products.
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- SUPERIOR MATERIAL -- High quality acrylic material coupled with superior thermoforming process make our acrylic sheets durable, light and non-toxic. This 3mm acrylic sheet has an ultra-clear surface without impurity or scratches. In addition, a protective paper on the surface of the acrylic board protects the surface of acrylic sheets for laser cutting from scratches, stains and fingerprints.The installation of plexi glass Installation is quick and easy, simply peel off the protective paper before use.
- VERSATILE USE -- You can design and create your desired goodies with DIY plexiglass cut to size. These plexiglass sheets are suitable for a range of DIY craft projects, and are great for wedding table numbers, invitations,table top, acrylic signs, window glass,sneeze guard for counter, engraving, calligraphy, display cases, photography backdrops, wall art, art studio palettes and work surfaces and painting projects. Get plexiglass sheets 1/8 inch thick today and let your creativity run wild!
- HIGH TRANSPARENCE -- In addition to improved weather resistance and UV resistance of plastic sheet, our clear acrylic sheets offer superior visual clarity with excellent light transmission and visibility. Plexipolycarbonate panels are stronger than traditional standard polycarbonate, less fragile, and polycarbonate sheet have their unique toughness that plastic sheets for crafts works well indoors and outdoors.
- EASY TO CUT -- You can cut to size plexiglass quickly and easily with table saw, jigsaw, drill, router or band saw. Acrylic sheets for laser cutting is works with laser cutters and power tools can be no melting, burning or scorching during laser engraving. Acrylic panel can easily drill holes with a drill bit, acrylic sheet with a table saw ，miter saw, jigsaw, router, or rotary tool for clean, polished edges.
- FULL SIZE -- Our acrylic sheets for laser cutting come in a full range of sizes and are all available in sets of 2 or 4.Lexan sheet 1/8 inch thick can be combined and put together at will, with this set, you will be free to create whatever you want. Whether you're a professional artist, hobbyist, or beginner, these cast acrylic sheet 1/8 for laser are great for all kinds of crafting and DIY projects, and your ideas determine their endless possibilities!
PETG may offer a useful balance of toughness, clarity and chemical resistance, but it is not “chemical-proof” or unbreakable. A commercial chemical-resistance table such as VIVAK’s identifies both compatible and incompatible substances. Check the chemical, concentration, temperature, contact time and whether the part is bent, drilled or clamped. Stress can make a sheet fail even when an unstressed sample tolerates the same liquid.
Heat is an important limit. VIVAK lists heat-deflection temperatures of 157°F at 264 psi and 164°F at 66 psi, and a forming range of about 280–320°F. Those are different measurements: a forming temperature is not a safe operating temperature. See the product data and test conditions before specifying a part exposed to heat.
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| Application | Starting choice | What to verify |
|---|---|---|
| Indoor sign, display window or picture cover | Acrylic | Required clarity, thickness, mounting and whether impact is likely. |
| Outdoor sign or glazing | Outdoor-rated acrylic; UV-protected PC if impact resistance is also important. | UV/weathering documentation, wind or other loads, expansion allowance and expected service life. |
| Machine guard or impact-prone cover | Polycarbonate | Applicable safety requirements, thickness, support, coating and chemical exposure. |
| Thermoformed retail display or cover | PETG | Draw depth, wall-thickness distribution, optics, process controls and service temperature. |
| Food display or formed tray | A documented food-contact grade of PETG or another suitable polymer. | Exact product certification, contact conditions, cleaning, inks, coatings, adhesives and jurisdiction. |
| Laser-cut decorative part | Suitable acrylic, often cast for engraving or polished edges. | Sheet grade, equipment compatibility, ventilation and manufacturer fabrication guidance. |
| Frequently cleaned barrier | Often PETG or a specified coated product, depending on cleaner and impact risk. | Compatibility with the actual disinfectant or cleaner, under stress, plus impact and scratch requirements. |
| Greenhouse, skylight or large panel | No material can be selected on polymer name alone. | Product data, spans, wind/snow loads, UV exposure, mounting and applicable building requirements. |
For aquariums or other applications that hold water under sustained pressure, do not use this general comparison as a design recommendation. Panel thickness, support, joints, creep and the manufacturer’s intended use must be engineered for the actual load.
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- OVERVIEW- PETG Optically Clear Plastic Plexiglass Sheets are Flexible, More Durable than Glass
- DIMENSIONS – PETG 48” x 96” - 30 mil / 0.03" (0.76MM) Thickness, Heavy Duty, Plexiglass
- USES – PETG SNEEZE GUARDS, SHIELDS, RAILING GUARDS, BARRIERS, WINDOWS, DIY, Crafting Projects
- QUALITY – PETG Crystal Clear, DIY Plexiglass Plastic, Shadows, Similar to Acrylic and Acid Free
- CLARITY - Crystal Clear PETG, Similar to Glass and Acrylic, See through it with Optical Clarity
Fabrication and installation considerations
- Cutting and machining: Use tooling and feeds suited to the exact sheet. Dull tools and excess heat can damage edges; acrylic may chip or crack, while PC can melt or produce gummy chips. Follow the sheet maker’s fabrication instructions.
- Drilling and fastening: Holes and fasteners concentrate stress. Use appropriate clearance, edge distances, washers or gaskets and avoid over-tightening. Acrylic is particularly vulnerable to cracking around poorly made holes; other plastics can also craze or fail under stress.
- Thermal movement: All three expand more than glass or metal. Large panels need room to move, especially outdoors or in mixed-material frames. Do not trap a sheet rigidly as though it were glass.
- Forming: PETG is often the easiest starting point for deep forming, but heating and draw conditions affect wall thickness and clarity. Acrylic and PC can also be formed with grade-specific processes. Uneven heating, tooling marks and cooling stress can distort a clear part.
- Bonding: Acrylic often works with solvent cement systems designed for PMMA. PC and PETG need compatible adhesives and surface preparation. A clear-looking bond can still craze or fail later; test on production-grade material.
- Protective film: Keep and remove film according to the maker’s handling instructions. Film, coatings and adhesives are product-specific; prolonged heat or sun can make film harder to remove.
- Laser work: Acrylic is common for laser cutting, but settings and safety depend on the material and equipment. Do not substitute PVC: chlorine-containing plastics can produce hazardous fumes and damage equipment. Evaluate PETG and PC only with manufacturer guidance and suitable equipment and ventilation.
Cleaning, safety and specification checks
A cleaner that is harmless to glass can damage a plastic panel. Depending on the material and conditions, incompatible products can cause haze, softening, discoloration, crazing or stress cracking. Consult the exact chemical-resistance data and test a sample that is mounted or stressed as the real part will be. This matters especially for barriers, machine windows and panels cleaned frequently with disinfectants.
For food contact, verify the exact sheet grade and finished assembly for the intended direct or indirect contact, temperature, repeated-use conditions and cleaning regime. Colorants, coatings, inks, adhesives and fabrication residues can affect suitability. VIVAK documentation, for example, identifies food-contact compliance for the relevant product; that does not certify every PETG sheet. See the VIVAK product information and Spectar product information.
Fire behavior is separate from heat resistance and varies by grade, thickness and test. Do not call any of these materials fireproof or assume one family has a universal fire rating. Specify the classification required for the project and check the documentation for the exact product; SABIC’s product information, for example, describes particular flame-retardant grades rather than all polycarbonate.
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Ask suppliers to quote the same thickness, dimensions, grade, color, finish and coating so the comparison is meaningful. Include cut-to-size work, forming, edge finishing, packaging, shipping, installation and likely replacement in the project cost. Basic acrylic is often less expensive than PC, but market prices vary; PETG’s forming advantages may reduce waste or fabrication effort in some jobs. Neither tendency guarantees the lowest installed cost.
Before ordering, confirm:
- The actual product and grade—not just “acrylic,” “Lexan” or “PETG.”
- Thickness, dimensions, support and the loads the panel must withstand.
- Indoor or outdoor exposure, UV protection and expected service life.
- Continuous and peak temperatures, including solar heating or nearby equipment.
- Every cleaner, chemical or adhesive that may contact the sheet.
- Fabrication method, required edge finish, forming depth and optical quality.
- Any required food-contact, fire, glazing, safety or building-code documentation.
- Manufacturer installation, expansion, cleaning and maintenance instructions.
Recycling claims also depend on local collection and sorting, product additives, coatings and whether the finished item is mixed with other materials. Check local rules rather than assuming a polymer name guarantees curbside acceptance.
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