The Plastic 24x12 inch Density Clear Acrylic 2mm is an extended-format, optical-grade polymethyl methacrylate (PMMA / Plexiglass) rigid sheet engineered for large-bed laser cutting, CNC routing, electronic instrument housings, transparent equipment guards, and architectural scale prototyping. Measuring an expansive 24 × 12 inches (approx. 609.6 mm × 304.8 mm / 2 × 1 foot profile) with a slim, consistent 2.0 mm thickness, it combines high dimensional stability, flexural rigidity, and shatter resistance with exceptional optical clarity, providing up to 92% visible light transmittance while weighing less than half of equivalent mineral glass. Perfectly flat, UV-stable, and distortion-free, it serves as a versatile transparent fabrication stock for custom robotic chassis, display viewing windows, desktop enclosure shells, and precision fixtures.

Specifications

• Material Type: Premium Cast / Extruded Polymethyl Methacrylate (PMMA / Acrylic / Plexiglass)
• Sheet Dimensions: 24 × 12 Inches (Approx. 609.6 mm × 304.8 mm / 2 Sq. Ft. Working Footprint)
• Nominal Thickness: 2.0 mm (±0.2 mm manufacturing gauge tolerance)
• Color / Optical Grade: Optical Clear / Fully Transparent
• Surface Finish: Dual-Sided High-Gloss Optically Smooth Finish
• Light Transmittance: ≥ 92% Visible Light Transmission (VLT)
• Refractive Index: Approx. 1.49
• Tensile Strength: ≥ 68 MPa to 76 MPa
• Flexural Modulus: Approx. 3000 MPa to 3300 MPa
• Density: Approx. 1.18 g/cm³ to 1.20 g/cm³
• Impact Resistance: Approx. 6 to 10 times higher than ordinary float glass
• Heat Deflection Temperature (HDT): Approx. 85°C to 100°C (Softening point ~105°C)
• Continuous Working Service Temperature: -40°C to +80°C
• Surface Protection: Dual-sided protective peel-off kraft paper or clear polyethylene (PE) film masking
• Fabrication Compatibility: CO2 laser cutters/engravers, CNC flatbed routers, table saws, scoring blades, and localized thermal line heaters
• Net Weight: Approx. 440 g to 470 g per sheet

Features

• Large-Bed Fabrication Footprint: The 24×12 inch profile fits standard 600×300mm laser cutter beds, allowing batch nesting of multiple faceplates or single-pass cutting of extended equipment chassis panels without pre-cutting down stock.
• High-Definition Optical Clarity: Provides crystal-clear 92% light transmission with minimal distortion, making internal electronics, displays, and indicators clearly visible through the protective shield.
• Polished Laser Cut Edges: Cuts cleanly under CO2 laser beams with minimal taper and zero edge discoloration, producing smooth, flame-polished borders straight out of the machine bed.
• Lightweight & Shatter-Resistant: Up to 10 times more impact-resistant than ordinary float glass while weighing less than half, offering robust physical defense for delicate internal displays and mechanics.
• Thermoforming Pliability: Can be heated locally between 140°C and 160°C along a strip heater or with a heat gun to execute clean, permanent 90° bends for custom desktop bezels, angled meter housings, and display stands.

Common Applications

• Large Electronic Enclosures: Fabricating custom top, bottom, and side panels for DIY laboratory bench supplies, audio amplifiers, DACs, and synthesizer casings requiring full internal visibility.
• Protective Machine Guards: Large transparent dust barriers, splash guards, and safety windows for desktop CNC routers, laser engravers, and 3D printer enclosures.
• Display Front Panels: High-clarity scratch-resistant viewing covers for LCD/OLED screens, 7-segment LED counters, and digital panel meters on industrial equipment consoles.
• Extended Mobile Robot Chassis: Lightweight, rigid baseplates and multi-tier decks for educational wheeled, tracked, or articulated robotic platforms.
• Architectural Facades & Prototyping: Precision laser-cut architectural models, clear vitrines, product display cases, and structural diorama components.

Usage Tips

• Protective Film Retention (CRITICAL):
  • Do not peel off the protective kraft paper or PE film prior to laser cutting, CNC routing, or drilling.
  • Keeping the film intact prevents vaporized acrylic condensates, exhaust smoke condensates, and machine bed scratches from marring the optical-grade clear surface. Strip the mask only after all machining, edge deburring, and drilling steps are completed.
• CO2 Laser Cutting Parameters:
  • For typical 40W to 80W CO2 laser machines, cut at moderate travel speeds with active air assist (10 to 15 psi). Air assist extinguishes flare-ups and clears vaporized gases from the kerf, ensuring clean, melted-glass edges without thermal distortion.
  • When raster engraving, engrave the mirrored artwork onto the reverse side of the sheet to leave a smooth, easily cleanable front surface.
• Drilling Recommendations: Use specialized plastic drill bits (60° to 90° tip angle with a zero-to-negative rake) or lightly dull the cutting lips of standard twist drills to prevent the bit from pulling through too fast. Always clamp a scrap piece of solid wood or MDF beneath the sheet to support the bottom face and prevent breakout cracking as the bit exits.
• Solvent Cementing Protocol: Standard cyanoacrylate (superglue) off-gasses during curing, causing unsightly white blooming and cloudiness on clear surfaces. Use water-thin acrylic solvent cement (methylene chloride base) with a precision needle applicator; capillary action draws the solvent into the seam to create an optically clear, chemically welded joint.
• Cleaning & Maintenance Precautions: Never wipe acrylic with rubbing alcohol, acetone, lacquer thinner, or ammonia-based glass sprays. These chemical solvents attack the polymer chains, causing immediate micro-crazing, stress fractures, and surface hazing. Clean exclusively with lukewarm water, mild liquid dish soap, and a clean microfiber towel.