Optical Clear PMMA 3D printed part — Industrial SLA general purpose material
Industrial SLA
General Purpose

Optical Clear PMMA

Transparent resin for light pipes, lenses, and visual models requiring clarity.

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Max build size1000 x 1000 x 600mm
Tolerances±0.2mm
Lead timeFrom 7 business days
Applications
ProtoProd
01

Material spec

Light pipes, lenses, and visual models requiring optical clarity.

TransparentPolishableRigid
Strengths
True optical clarity when polished
Good for light pipes and lenses
Large format available
Limitations
Requires polishing for full clarity
Brittle
Yellows with UV exposure
Colors
Clear
02

Performance profile

Flexible
Rigid
0.0030 GPa10.00 GPa
Textured
Smooth
60 Ra μm1 Ra μm
Low Detail
High Detail
500 μm25 μm
Brittle
Impact Resistant
12 J/m220 J/m
Low Temp
Heat Resistant
41 °C238 °C
Opaque
Transparent
5 %90 %
Soft
Hard
2890
Small Build
Large Build
145 mm1200 mm
04

Design guidelines

Guidelines

Recommended parameters when designing parts for Optical Clear PMMA on Industrial SLA.

Wall thickness
1.0mmMinimum recommended wall thickness
Support & overhangs
45°
AlwaysSupport requirements and max overhang angle
Holes
Ø 0.5 mmMinimum hole diameter
Tolerance
±
±0.2mmExpected dimensional accuracy
Minimum features
0.5 mmSmallest printable feature
Clearance
0.125 mmRecommended clearance between parts
05

Post-processing

Standard finishing included with every Optical Clear PMMA order on Industrial SLA.

Included (standard)

✓
Support removal— Heavier supports cut with flush cutters and contact surfaces sanded smooth.
✓
IPA washing— Solvent baths to remove uncured resin. Extended wash times for large parts.
✓
UV post-curing— Large-format UV curing chamber. Longer cycles for thick-walled parts.
✓
Sanding— Support marks sanded flush. Presentation models get full surface sanding.

Optional (quoted separately)

+
Wet sanding— Progressive wet sanding up to 2000 grit for near-polished surfaces.
+
Polishing— Multi-stage polishing for optical clarity on Optical Clear parts.
+
Painting / priming— Filler primer and paint for architectural models and display pieces.
+
Clear coating— UV-resistant clear coat for Optical Clear parts or painted surfaces.
+
Assembly— Multi-piece builds bonded with structural adhesive. Seams filled and sanded.

View full post-processing details →

06

Shipping & delivery

Every Industrial SLA order ships from our production facility in Brooklyn, NY. Lead time starts at From 7 business days. Enter your zip code to see exactly when parts will arrive at your door.

Local Pickup

Same day, free. Brooklyn facility, Mon\u2013Fri 10am\u20135:30pm ET.

Courier

Same day across all five boroughs and northern NJ.

Nationwide Shipping

UPS Ground, 2nd Day Air, and Next Day Air. Tracked and insured.

All shipping options →
02

Datasheet

Data Sheet

Mechanical properties

Tensile Modulus2.28 GPa
Tensile Strength (UTS)28 MPa
Elongation at Break16%
Flexural Modulus2.73 GPa
Flexural Strength70 MPa
Impact Strength (Izod)64 J/m
HardnessShore D 75
Density1.13 g/cm³

Physical & thermal

Heat Deflection (HDT)55°C @ 0.45 MPa
Surface Roughness1 Ra μm
Min Layer Height100 μm
Light Transmission90%
Max Build Dimension1000 mm
03

Other Industrial SLA materials

All Industrial SLA
ABS-Like Resin — Industrial SLA 3D printing material by Makelab

ABS-Like Resin

Tough, impact resistant. Good for large functional parts, enclosures, and assemblies.

Frosted PMMA — Industrial SLA 3D printing material by Makelab

Frosted PMMA

Translucent diffused finish. Lighting, display models, and medical visualization.

05

Compare Optical Clear PMMA with others

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