PMMA Board for Microfluidic Chips — 25-Pack
Optically transparent PMMA (acrylic) board for microfluidic chip fabrication. >92% light transmittance, compatible with laser cutting, hot embossing, and solvent bonding. Available in thicknesses from 0.2 mm to 20 mm, multiple sheet sizes. Pack of 25.
Louise Corscadden, PhD
Neuroscience · ConductScience
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PMMA (polymethyl methacrylate) board is a versatile, optically transparent thermoplastic substrate widely used in the fabrication of microfluidic chips and lab-on-a-chip devices. Valued for its high optical clarity, chemical stability, and machinability, PMMA enables rapid prototyping of microchannels via hot embossing, laser cutting, and CNC milling — making it the preferred choice for academic research groups and industrial microfluidics labs.
Material
- PMMA (Polymethyl Methacrylate)
Thickness
- 0.2 mm
- 0.5 mm
- 1 mm
- 1.5 mm
- 2 mm
- 3 mm
- 5 mm
- 8 mm
- 10 mm
- 15 mm
- 20 mm
Sheet Size
- 100x100 mm
- 150x150 mm
- 200x150 mm
- 200x200 mm
- 300x200 mm
Optical Transmittance
- >92%
Refractive Index
- 1.49
Surface Finish
- Polished, both sides
Chemical Resistance
- Resistant to dilute acids; use solvent bonding for assembly
Weight
- 3.3 kg
Dimensions
- L: 181.8 mm
- W: 136.3 mm
- H: 90.9 mm
Specifications
| Parameter | Value |
|---|---|
| Material | Polymethyl methacrylate (PMMA / acrylic) |
| Light transmittance | >92% (visible spectrum) |
| Available thicknesses | 0.2 mm, 0.5 mm, 1.0 mm, 2.0 mm, 3.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10.0 mm, 12.0 mm, 15.0 mm, 20.0 mm |
| Standard sheet sizes | 100×100 mm, 200×200 mm, 300×300 mm, 400×400 mm, 600×600 mm; custom sizes available |
| Color options | Transparent (colorless), black opaque |
| Surface finish | Polished both sides |
| Chemical resistance | Resistant to dilute acids, bases, alcohols, and oils |
| Operating temperature | Up to 70°C continuous; up to 90°C short-term |
| Refractive index | ~1.49 at 589 nm |
| Pack size | 25 sheets per pack |
Key Features
- Exceptional optical clarity: Over 92% light transmittance enables fluorescence microscopy, brightfield imaging, and colorimetric detection directly through the chip substrate
- Machinability: Compatible with CO₂ laser cutting, CNC milling, hot embossing, and solvent bonding — supports full rapid prototyping workflows
- Broad thickness range: From 0.2 mm ultra-thin to 20 mm structural — accommodates master molds, channel layers, and cover plates in a single material system
- Chemical stability: Inert to common aqueous buffers, alcohols, and mild solvents; suitable for biological and biochemical assays
- Solvent bonding: Bonds readily with dichloromethane (DCM) or chloroform for chip assembly without specialized equipment
- UV transparency: Transmits down to ~300 nm, enabling UV detection and photopolymerization applications
- Consistent flatness: Polished both sides for uniform bonding contact and leak-free chip sealing
Applications
- Microfluidic chip substrates and cover plates
- Hot embossing master mold fabrication
- Droplet generation and digital microfluidics
- Cell culture chambers and organ-on-a-chip devices
- Point-of-care diagnostic chip prototyping
- Fluorescence and optical detection platforms
- Electrophoresis and DNA separation chips
- Lab-on-a-chip rapid prototyping
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