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How To Measure and Cut-To-Size Policy | Close it

Cut-To-Size Items are Non-Returnable!

As per our Shipping and Returns Policy, custom cuts and fabricated parts are non-returnable. If you need an over- or undersized item, note it under \"Comments\" during Checkout. Cut-to-size orders have an acceptable cut tolerance of 1/8" (0.125"), so clarify if the adjustment is to be made on the (+) or (-) side of the saw blade. Please review our full return and shipping policy here.

Measure Twice, Cut Once

Since custom cuts and fabricated parts are non-refundable, be very careful while measuring your dimensions. As each cut is nominal, even the slightest miscalculation could be costly.

How to Use a Measuring Tape

Extend your tape measure several inches to find the 1 and 2 inch markers. In between the inch markers you’ll find 16 equally spaced tick marks.

Measure by counting the increments beyond the nearest inch. As the increments decrease, so does the length of the mark. For example, 1/2\" has a bigger mark than 1/4\" which has a bigger mark than 1/8\". The smallest mark follows at 1/16\". Please be aware that some measuring tapes may have even smaller increments.

Features of a Measuring Tape: Sliding End Hook

The sliding end hook is designed for two different types of measurements. An outside measurement (where the hook of the tape hangs over an edge), requires the hook to slide out a bit to account for the thickness of the material. When making an inside measurement (where the hook will push up against a surface), the clip slides in, again, accounting for its thickness. The measuring tape self-adjusts to guarantee an accurate measurement (as far as the tape is concerned).

Craft Plastic Mirror | Blue Acrylic Sheet

Craft Plastic Mirror | Blue Acrylic Sheet

12" X 20" Laser Cutter Compatible Mirror Acrylic Sheet

SKU: ACRL4EESH00125x012000x0020000

Price for .125" x 12" x 20" Blue Extruded Acrylic Mirror Sheet Qty: 1


* Prices are subject to change every 6 days
Login or Create an Account to Get As low as $4/month with


12" x 20" craft plastic mirror sheets are optimized for use with laser cutting systems. Extruded acrylic mirror sheets are CO2 laser compatible - they can be used with Glowforge, Mira, Thunder, Trotec, Epilog, and other lasers, routers, Dremels and scroll saws. They can also be glued, bent with heat, and drilled. Acrylic is stronger than glass against impacts and is suitable for use in many custom projects.

Blue acrylic mirror sheet is reflective:

[Acrylic Spec Sheet]

  • CO2 laser compatible craft plastic
  • More impact resistant than glass
  • Lightweight
  • Reflective
  • Easy to machine, fabricate, and glue
  • Low water absorption

acrblue, acrextmirror

Product Reviews


Specific Gravity (g/cc): 1.19 g/cc
Water Absorption: 0.4%
Tensile Strength: 11030 psi
Tensile Modulus: 490 ksi
Flexural Strength: 17000 psi
Elongation: 6.4% @ Break
Izod Impact Strength: 0.4 ft-lbs/in.
Hardness: M95
Heat Deflection Temp: 203?F @ 264 psi
Melting Point: 300-315?F
Self Ignition Temp: 833?F
Linear Expansion Coefficient: 3 x 10-5 in./in./?F

Frequently Asked Questions

What sets Interstate Advanced Materials apart?
Interstate Advanced Materials empowers customers to choose their pricing by maintaining a membership, available through tier levels that unlock access to exclusive pricing as well as shipping and volume discounts

What is Interstate Advanced Materials's Shipping Policy?
Shipping will vary based on whether your order contains custom or cut-to-size products. Details about shipping can be found here.

Is your site secure?
Yes, we implement a variety of security measures to maintain the safety of your personal information. Your information is protected both online and offline.

WARNING: This product can expose you to chemicals including Ethyl acrylate, CAS 140-88-5, which are known to the State of California to cause cancer. For more information go to?
Disclaimer: Interstate Advanced Materials makes no representations about any of its products that are modified in any way after they leave its possession, nor do its representations apply when any of its products are improperly used or stored. Each customer of Interstate Plastics bears full responsibility for making its own determination as to the suitability of each material, product, recommendation or advice provided by Interstate Plastics. Each customer of Interstate Plastics must identify and perform all tests and analyses necessary to assure that its finished parts incorporating materials from Interstate Plastics will be safe and suitable for use under end-use conditions.