The Plastic 24x12 inch Density White Acrylic 2mm is an extended-format, precision-manufactured polymethyl methacrylate (PMMA / Plexiglass) rigid sheet engineered for large-bed laser cutting, CNC routing, electronic instrument housings, commercial faceplates, and high-efficiency backlight diffusion. 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 provides exceptional flexural strength, dimensional stability, and impact resistance while weighing less than half of equivalent float glass. Formulated with high-density white light-diffusing pigmentation, it spreads high-intensity LED light uniformly across broad surfaces without hot-spotting, making it the preferred raw stock for robotics platforms, illuminated signage panels, industrial front consoles, and maker lab prototypes.

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 Area)
• Nominal Thickness: 2.0 mm (±0.2 mm gauge manufacturing tolerance)
• Color / Opacity: Density White (Engineered dense white with high-efficiency light-diffusion properties)
• Surface Finish: Dual-Sided Ultra-Smooth High-Gloss Finish
• Tensile Strength: ≥ 68 MPa to 76 MPa
• Flexural Strength: ≥ 100 MPa to 115 MPa
• Density: Approx. 1.18 g/cm³ to 1.20 g/cm³
• Thermal Deflection Temperature (HDT): Approx. 85°C to 100°C (Softening point ~105°C)
• Continuous Working Service Temperature: -40°C to +80°C
• Light Diffusion Characteristic: Eliminates localized LED glare and hot-spots, producing an even, soft planar glow
• Surface Protection: Dual-sided peel-off protective craft paper or clear polyethylene (PE) film
• 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 seamlessly onto standard 600×300mm laser cutter beds, allowing batch nesting of smaller brackets or single-pass fabrication of long chassis panels without pre-cutting down stock.
• High-Density Planar Diffusion: Disperses concentrated LED diodes into a uniform, edge-to-edge ambient glow, making it ideal for edge-lit signage, LCD backlights, and illuminated control panels.
• Polished Laser Cut Edges: Cuts cleanly under CO2 laser beams with minimal taper and zero edge discoloration, yielding smooth, flame-polished borders right out of the machine bed.
• Impact-Resistant & Lightweight: Up to 10 times more shatter-resistant than mineral glass, offering robust protection for delicate internal electronic circuitry and display screens without adding structural bulk.
• Thermoforming Pliability: Can be bent cleanly along localized heat lines (140°C to 160°C) with a line-strip heater or heat gun to produce seamless custom brackets, L-shaped equipment stands, and instrument consoles.

Common Applications

• Large Electronic Enclosures: Fabricating custom top, bottom, and side panels for DIY laboratory bench supplies, audio amplifiers, and synthesizer casings.
• Commercial Lightboxes & Channel Signage: Backlit illuminated signage, edge-lit menu displays, museum exhibits, and emergency wayfinding signs.
• Instrument & Console Faceplates: Machine control consoles with precise cutouts for panel meters, rotary encoders, toggle switches, and graphical LCD/OLED displays.
• 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, display cases, product display risers, and structural diorama components.

Usage Tips

• Protective Film Management (CRITICAL):
  • Do not remove the protective paper or PE film before laser cutting, sawing, or drilling.
  • Keeping the mask on prevents vaporized acrylic condensates, scorch smoke, and workbench abrasions from marring the glossy white face. Peel off the film only after all processing and deburring is finished.
• CO2 Laser Bed Settings:
  • For typical 40W to 80W CO2 laser machines, cut at moderate travel speeds with high air assist (15 to 20 psi). Air assist extinguishes flare-ups and blows vaporized gas out of the cut furrow, ensuring clean, melted-glass edges.
  • When vector engraving or etching graphics, reduce laser power to prevent heavy trenching or excessive thermal distortion on 2mm stock.
• Drilling Recommendations: Use specialized plastic drill bits with a negative rake angle (or lightly dull the cutting edge of standard twist drills) to prevent the bit from pulling through too fast and cracking the bottom exit hole. Back up the acrylic sheet firmly against a scrap piece of solid wood while drilling.
• Chemical Bonding Protocol: Never use standard cyanoacrylate superglues, as outgassing will cause severe white blooming and hazing on the surface. Use water-thin solvent cement (methylene chloride) applied with a needle-tip applicator; the capillary action pulls the solvent into the joint to create a clean, chemically welded bond.
• Cleaning & Maintenance Precautions: Never clean acrylic with alcohol, acetone, lacquer thinner, or ammonia-based spray window cleaners. These solvents attack the polymer bonds, causing immediate crazing, hairline fractures, and surface hazing. Clean exclusively with lukewarm soapy water and a soft microfiber towel.