Acetal Squares | McMaster-Carr

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	Material Material

ABS Plastic

Acetal Plastic

Delrin® Acetal Plastic

Rexolite Polystyrene Plastic

UHMW Plastic

	Comparable To Comparable To

	System of Measurement System of Measurement

Inch

	Thickness Thickness

	Width Width

	Length Length

	Color Color

	Black		Brown
	Off-White		White

	Shape Shape


Sheet and Bar	Film

	Performance Properties Performance Properties

Low Thermal Expansion

	Backing Type Backing Type

	Plain

	Flexibility Flexibility

	Semi-Rigid

	Specifications Met Specifications Met

ASTM

FDA Compliant

NSF/ANSI

	Texture Texture

	Smooth

	Tolerance Rating Tolerance Rating

	Clarity Clarity

Semi-Clear

Opaque

	Hardness Rating Hardness Rating

Hard

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Friction Rating Friction Rating

Very Slippery

Not Rated

	For Use With For Use With

Methyl Ethyl Ketone (MEK)

	Water Absorption Rating Water Absorption Rating

Good

Not Rated

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Tensile Strength Rating Tensile Strength Rating

Good

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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322 Products

About Plastic

Wear-Resistant Easy-to-Machine Delrin®
Acetal Resin Sheets, Bars, and Strips

Delrin® acetal resin, also known as acetal homopolymer, is stronger and stiffer than acetal copolymer.

Rigid Glass-Filled Wear-Resistant
Easy-to-Machine Delrin® Acetal Resin Sheets

A glass-fiber filler gives this material increased rigidity over standard Delrin® acetal resin. Use it to machine manifolds, impellers, and other parts that require rigidity.

Slippery Wear-Resistant Easy-to-Machine
Delrin® Acetal AF Resin Sheets and Strips

The addition of PTFE provides a more slippery, wear-resistant surface than standard Delrin® acetal resin. It’s commonly fabricated into pump components, gears, and bearings.

Wear-Resistant Easy-to-Machine
Acetal Sheets and Bars

An economical alternative to Delrin® acetal resin, this acetal copolymer offers similar wear resistance.

Wear-Resistant Easy-to-Machine Acetal Film

An economical alternative to Delrin® acetal resin, this acetal copolymer offers similar wear resistance.

Antistatic Wear-Resistant
Easy-to-Machine Acetal Sheets

This material prevents the buildup of static charges.

Multipurpose Plastic Selector Packs

Packs include one 2” square of ABS, Delrin® acetal, LDPE, HDPE, UHMW, nylon, cast nylon, polyester, polystyrene, Rexolite polystyrene, and Noryl PPO.

Machine Key Stock

Cut this stock to length to create the machine key you need. Straight keys, with a square or rectangular cross section, are the most common type of key. Install in a keyway to transmit torque from shafts to gears and other components.

About Plastic

Plastic

Wear-Resistant Easy-to-Machine Delrin®Acetal Resin Sheets, Bars, and Strips

Rigid Glass-Filled Wear-ResistantEasy-to-Machine Delrin® Acetal Resin Sheets

Slippery Wear-Resistant Easy-to-MachineDelrin® Acetal AF Resin Sheets and Strips

Wear-Resistant Easy-to-MachineAcetal Sheets and Bars

Wear-Resistant Easy-to-Machine Acetal Film

Antistatic Wear-ResistantEasy-to-Machine Acetal Sheets

Multipurpose Plastic Selector Packs

Machine Key Stock

Machine Key Stock

Wear-Resistant Easy-to-Machine Delrin®
Acetal Resin Sheets, Bars, and Strips

Rigid Glass-Filled Wear-Resistant
Easy-to-Machine Delrin® Acetal Resin Sheets

Slippery Wear-Resistant Easy-to-Machine
Delrin® Acetal AF Resin Sheets and Strips

Wear-Resistant Easy-to-Machine
Acetal Sheets and Bars

Antistatic Wear-Resistant
Easy-to-Machine Acetal Sheets