Acetal Sheet in All Forms

Homopolymer, Copolymer, PTFE filled, Glass Filled, ESD, and Machining Service…

About Acetal Sheet

Acetal sheets, also known as POM sheets, are made of high-quality polyformaldehyde plastic by the extrusion process. It offers excellent wear resistance and chemical resistance. The long operating temperature is from -40 °C to 90 °C. The density ranges from 1.41 to 1.5 g/cm3.

Normally, you can find Acetal Sheets with different grades, for example, Homopolymer, Copolymer, Food grade, FDA grade, Static Dissipative (ESD), PTFE-Filled, etc. The common colors are natural color, white, and black. Sometimes, custom colors are available, such as blue, yellow, red, green, grey, etc.

Acetal Sheets can be machined into the precision mechanical components, for example, gears, pulleys, rollers, bearings, housing parts, bushings, cams, valves, seals, gear wheels, and other parts with high stiffness, low friction, excellent dimensional stability, and low thermal expansion.

More Information About Acetal Sheet
Colored Acetal
Acetal sheets

Specification of Acetal Sheet

Acetal Sheets in Stock

Normally, Acetal sheet means Copolymer Polyoxymethylene Sheet (POM-C), the color is white or black, the thickness is from 0.3mm to 250mm. Homopolymer Polyoxymethylene Sheet is called POM-H sheet or Delrin sheet. UVTECO stocks POM-C sheet and POM-H sheet at the warehouse.

ItemModelColorGradeThickness (mm)Width (mm)
POM FilmUTPOM-TWhite, BlackGeneral-purposeFrom 0.3mm to 1mm330 mm

ItemModelColorThickness (mm)Width (mm)Length (mm)
POM-C SheetUTPOM-S-GPWhite, blackFrom 1mm to 10mm1000 mm2000 mm
POM-C SheetUTPOM-S-GPWhite, blackFrom 15mm to 90mm1000 mm2000 mm
POM-C SheetUTPOM-S-GPWhite, blackFrom 100mm to 250mm620/1220mm1000/2000mm

GradeModelThicknessWidthLength
ESD POM sheetUTPOM-S-ESD1mm to 8mm1000mm2000mm
ESD POM sheetUTPOM-S-ESD10mm to 50mm610mm1220mm
ESD POM sheetUTPOM-S-ESD10mm to 100mm610/1000mm1220/2000mm

ItemModelGradeThickness (mm)Width (mm)Length (mm)
POM+GFUTPOM-S-GFGlass-FilledFrom 10mm to 120mm610/1000 mm1220/2000 mm
Acetal Copolymer

Grade

  • Homopolymer
  • Copolymer
  • Food grade
  • Glass Filled
  • Metal detectable
  • PTFE filled
  • Static Dissipative
  • UV Resistant
  • Strength Improved
  • Toughness improved

Color

  • Nature (White)
  • Black
  • Green
  • Blue
  • Red
  • Yellow

Optional Brand

  • Delrin®
  • SEMITRON®
  • Tecaform®
  • UVTECO®

Properties of Acetal, Polyoxymethylene (POM) plastic

ItemDescription
Product nameAcetal, Polyoxymethylene, or POM Plastic
Available colorNature (White), Black, Green, Blue, Red, Yellow, Custom color
DensityFrom 1.41 g/cm3 to 1.5 g/cm3
FlammabilityHB/UL94

Mechanical PropertiesTesting MethodUnitValue
Tensile yield strengthASTM D638psi/MPa9300/64
Tensile modulus ElasticityISO 527MPa2600
Tensile Elongation (Break)ISO 527%>30
Flexural StrengthASTM D790psi/MPa11000/75

Physical PropertiesTesting MethodUnitValue
DensityASTM D792g/cc1.41~1.5
Water absorption
(Dipping in water at 23°C for 24 hours)		ASTM D570%16~20

Thermal PropertiesTesting MethodUnitValue
Coefficient of Linear Thermal ExpansionAverage value between 23 and 100°Cm/(mk)105×10^-6
Heat deflection temperatureISO 752°F/°C230/110
Melting temperature°F/°C330/165
Max. operating temperature°F/°C180/82

Electrical PropertiesTesting MethodUnitValue
Dielectric strengthIEC60243kv/nn>40
Dielectric constantIEC6025010^6 Hz3.8
Dissipation Factor0.005
Volume ResistivityIEC60093ohm (Ω)10^13

Main Usage of Acetal Plastic

  • Automotive trim parts
  • Bearings and bushings
  • Boat accessories
  • Electronic component housings
  • Pump and valve parts
  • Scraper blade
  • Rollers and Gears;
  • Valves and Manifolds
  • Wear parts;
  • Industrial parts by injection molding;

Main Feature of Acetal Plastic

  • Outstanding wear resistance and sliding properties;
  • Good machinability;
  • Low water absorption rate and good chemical resistance;
  • High impact resistance, even at low temperatures;
  • Good dimensional stability and creep resistance, when machined or worked;
  • Low moisture absorption;
  • Excellent electrical properties;
  • Unfilled grade is FDA compliant;

Industry

  • Electrical and 3C;
  • Energy Industry;
  • Aircraft & Aerospace Industry;
  • Medical;
  • Food processing;
  • Low moisture absorption;
  • Automobile Industry;

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Leading Supplier of Acetal Sheet In China

As one of the leading suppliers of Acetal Sheets in China, UVTECO provides acetal sheets in different grades, including Homopolymer, Copolymer, Glass-filled, Static Dissipative (ESD), PTFE-filled, etc. The thickness is from 0.3mm to 250mm. Otherwise, UVTECO provides machining services, for example, cutting, CNC machining, lathe turning, drilling, injection molding, etc.

As an ISO-certified company, UVTECO stocks frequently used Acetal sheets for fast delivery, available in natural, white, and black colors. Meantime, we provide high-quality POM-based products and parts/components for more than 2500 clients from more than 45 countries, who are working in automation, the automobile industry, medical industry, food industry, aerospace industry, appliance industry, electrical & electronic, etc.

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Frequently Asked Questions about Acetal Sheet

Yes, UVTECO has precision equipment to machine acetal sheets according to the drawings from global clients. Otherwise, we provide the injection molding and extrusion process.

Normally, we stock the frequently-used acetal sheets, for example:

  • Copolymer Polyoxymethylene Sheet (POM-C).
  • Pomopolymer Polyoxymethylene Sheet (POM-H) or Delrin sheet.
  • ESD Acetal sheet.
  • Glass-filled POM sheet.

Delrin® is a brand of DuPont Company, normally, it is POM Homopolymer (POM-H).

If you only need Acetal Sheets without machining, the MinOrder Quantity is one sheet, and we can cut it to a smaller size for easier delivery.

If you just use a half sheet, I suggest that we machine it to your drawings. In this case, you can save some delivery cost.

There are many reasons to get a bad tolerance when machining acetal parts, for example:

  • Environmental temperature;
  • Machining process;
  • Cutting fluid;

UVTECO has more than 20 years of experience in machining acetal parts. You can send your drawings in .STEP file, we are happy to share our experience and knowledge.

Acetal or Polyoxymethylene (POM) has a wide range of applications. They are used in the automotive industry for trim parts. They are also used in boat accessories, bearing and bushing, pump, and valve parts.

Acetal is also used in wear parts, industrial parts, electronic component housing, mechanical gears, etc. We also manufacture medical products and sports equipment from POM.

POM plastic is very strong, durable, and has very good sliding properties. It also has excellent wear resistance and great dimensional stability. POM also absorbs very little water, which makes it good for water usage.

Compared to metal, POM has good design flexibility, high strength-to-weight ratio, and corrosion resistance.

POM Plastic has a high tensile strength of 9300 psi, which refers to very strong mechanical properties. This allows it to withstand very heavy loads without deformation.

It is highly impact-resistant and often considered as strong as metals. So, it is used alternatively to metal, where a lighter alternative is required.

Proper heat and pressure are applied to POM to mold it. Before that, POM resin is provided in granulated form.

However, extrusion, injection molding, compression molding, blow molding, or rotational molding are primarily used for POM. Injection molding and extrusion are the most used moldings.

Here are the basic characteristics of polyoxymethylene.

  • Strong, rigid, and tough.
  • Has good temperature resistance and can operate at around 90°C
  • Has very good chemical resistance.
  • Has good tensile strength but is easy to machine.
  • POM is creep- and fatigue-resistant.
  • POM has very good sliding properties, wear resistance, and water resistance features.

Acetal, Polyoxymethylene is naturally opaque white because of its high crystalline composition. So, nothing is seen through the POM sheet. It neither reflects nor emits light.

You will see this translucent thermoplastic polished or glossy finish. This is because of its rigidity and smooth surface texture.

There are different POM grades available for particular applications. Some of them are:

  • Homopolymer
  • Copolymer
  • Food grade
  • Metal detectable
  • UV-resistant
  • High-impact
  • Unreinforced grade
  • Reinforced POM
  • Low-friction POM
  • Unfilled POM
  • Strength-improved POM
  • Static Dissipative
  • Glass-filled, etc.

Hydrolysis resistance means the ability to withstand heat and humidity or withstand hot water. The hydrolysis resistance of standard homopolymer POM and copolymer POM differs.

Homopolymer has a hydrolysis resistance of 60°C. On the other hand, copolymer has a hydrolysis resistance of 85°C.

POM-C means copolymer POM, and POM-H means homopolymer POM. These are two types of acetal.

The main difference between them is in their structure. Single monomer polymerization produces POM-H. It creates a regular crystalline molecular structure.

On the other hand, two different monomer polymerization techniques create POM-C. This results in a more amorphous structure.

The famous POM-H brand is Delrin@, and TECAFORM@ is a brand of POM-C.

The natural color of polyoxymethylene is opaque white. But you can dye it in many colors. The common colors they are dyed are usually black, green, blue, red, and yellow.

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