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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).


Delrin® Plastic Sheet - Black

Delrin® Plastic Sheet - Black

Black Delrin® 150 | Cut-to-Size & Full Sheet | Precision Machinable POM-H

SKU: ACEBE5 SH

Select your custom cut sizes:

  inches
  inches
  inches
Full sheet size: 48" x 120"

Options
Available hole sizes: 1/8”, 5/32”, 3/16”, 1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”, 15/16”, and 1” increments

Price for 0.250" X 12.000" X 12.000" Qty: 1

$65.40


ESTIMATED SHIPPING TO 93001: $22.22
* Prices are subject to change every 6 days
Login or Create an Account to Get As low as 0% for 30 days with

Description

High-Strength Black Delrin® 150 Sheet for Precision Components

Black Delrin® 150 (Acetal Homopolymer) provides an excellent balance of stiffness, dimensional stability, and impact resistance. This versatile engineering thermoplastic is formulated for demanding mechanical environments that require structural rigidity under standard operating conditions.

With its low coefficient of friction and strong fatigue endurance, this black homopolymer acetal serves as a highly effective metal replacement. It is a popular material in the manufacturing of sliding parts, bearings, bushings, and gears where consistent wear resistance is necessary.

Looking for alternate grades or colors? We also offer Natural Delrin® 150 and Acetal Copolymer.

Why Choose Black Delrin® 150?

Black homopolymer acetal is engineered for tight-tolerance machining and long-term mechanical reliability. It is a suitable option when your project requires:

Low Moisture Absorption:
Retains shape and mechanical properties reliably in damp or highly humid conditions.
Structural Rigidity:
The crystalline formulation supports sustained mechanical loads and offers good impact resistance in standard operating environments.
Exceptional Machinability:
Machines cleanly to tight tolerances with standard tooling, reducing fabrication time.
Low Friction & Wear:
Provides a smooth, continuous surface for sliding elements and rotating parts.

Black Delrin® 150 vs. Acetal Copolymer vs. Nylon: Which Do You Need?

While these engineering thermoplastics share some similarities, they are designed for specific operational environments.

  • Select Black Delrin® 150 (This Sheet) if you need higher stiffness, tensile strength, fatigue endurance, and creep resistance than standard acetal copolymer for precision mechanical parts.
  • Select Acetal Copolymer if your application requires improved resistance to centerline porosity, better hot-water or chemical resistance, or a verified food-contact grade. Always confirm FDA compliance by exact grade, color, and supplier documentation.
  • Select Nylon if you need an exceptionally tough, abrasion-resistant plastic capable of handling repeated, heavy impacts.

Read Acetal (POM) vs. Nylon (PA) Guide ›

Fabrication & Machining

This material is known for its excellent machinability. Using proper support and standard machining equipment, operators can consistently produce clean cuts and precision finishes. Controlled speeds and feeds, rigid fixturing, sharp tooling, and low vibration are recommended to hold tight tolerances.

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Specifications

Material: ACETAL / DELRIN® UNFILLED
Specific Gravity (g/cc): 1.42
Water Absorption: 0.9% @ Saturation
Density: 0.05 lbs/in3
Friction Coefficient: 0.2
Tensile Strength: 11000 psi
Tensile Modulus: 450 ksi
Flexural Modulus: 420 ksi
Flexural Strength: 16000 psi
Elongation: 25% @ Break
Izod Impact Strength: 1.5 ft-lb/in.
Hardness: M94/R120
Continuous Operating Temp: 185°F
Intermittent Operating Temp: 300°F
Heat Deflection Temp: 336°F @ 66 psi
Melting Point: 347°F
UL94 Flammability: HB
Dielectric Constant: 3.7
Dissipation Factor: 0.005

Frequently Asked Questions



What is Interstate Advanced Materials's Shipping Policy?
Our shipping policy can be found here and orders placed for non-cut-to-size stock items typically ship within 3 working days.

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 Formaldehyde, CAS 50-00, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov .
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 Advanced Materials bears full responsibility for making its own determination as to the suitability of each material, product, recommendation or advice provided by Interstate Advanced Materials. Each customer of Interstate Advanced Materials must identify and perform all tests and analyses necessary to assure that its finished parts incorporating materials from Interstate Advanced Materials will be safe and suitable for use under end-use conditions.