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Both Acetal and Nylon 6 are engineering plastics that can be classified as “thermoplastics”. These types of plastic materials, once heated to a specific temperature, form and break easily and then harden in cold. Martogg's engineering plastics Sydney may offer some advantages over using metal in many applications. Plastics are easy to use and inexpensive to purchase. They don't rust and have excellent thermal insulation and electrical insulation. Nylon 6 (and Acetal) are lightweight materials that can be machined, shaped, and manufactured with ease. They also have the advantage of being strong and resistant to blunting.

Technical plastics can be used to make common bearings.

How do you make technical plastic?

Nylon (also known as Polycaprolactone or PA6) is made from Caprolactum, a monomer that is an organic compound and a cyclicamide (lactum), of caproic acid. Nylon 6 is formed by the polymerization of aminocaproic acid. Polymer is a repeating chain made up of subunits linked by amide bonds. These nylon polymers can then be heat treated to form extruded profiles or shaped profiles. The acid catalysis converts formaldehyde into trioxane using sulfuric acid or acidic-ion exchange resins. This produces Acetal, POM, or polyoxymethylene copolymer. To remove water and other impurities, the trioxane must be purified through extraction or distillation. The acetal is heat- and pressure-treated into blow molding, injection and rotary profiles for extrusion.


Engineering plastics are a viable option to metal because of their low weight, short friction properties and good workmanship. Engineers in plastics can use machines without the need for lubricant or coolant. This simplifies maintenance and cleaning. Nylon is more sensitive to moisture because it is more hygroscopic. This is a factor to consider when selecting the right engineering plastic material for your project. Acetal is not hygroscopic so it can be used for applications where fluid absorption may not be necessary. Thermoplastics can become easily brittle as they cool. It is best to not store plastic in extreme cold environments or to attempt to work with it in cold conditions.

Corrosion resistance

Acetal and nylon 6 have excellent corrosion resistance to many chemicals. Acetal is resistant to most solvents, esters and lubricants as well as acidic solutions between pH.5 and ph.11. It also resists ketones and acidic solutions between pH.5 and ph.11. However, it has low resistance against phenols, concentrated minerals bases, acids, and halogens. Nylon 6 is resistant to oils, fats, ethers and esters as well as hydrocarbons. However, it is not resistant mineral acids or some organic acids.


Thermoplastics can easily be heated to melt, cool, and reheat them without any adverse effects. This is especially useful for Nylon 6 or acetal recycling. Without affecting their physicochemical integrity, Nylon and Acetal can be recycled chemically and mechanically.

Mechanical recycling

Thermoplastic waste can be cleaned and ground into pellets for reuse.

Recycle chemical

Plastics are chemically broken down into monomer components. The plastic is then repackaged into reusable storage containers.


Nylon PA6 and Acetal are not biodegradable. There are many similarities and differences in Acetal and Nylon 6. It is important that you choose the right type of plastic for your application. Consider chemical exposure, temperature behavior, expansion, dullness, machine speed, and humidity.

General purpose of engineering plastics

These versatile materials are rapidly growing and offer cost-effective alternatives for traditional metals and wood in low-temperature applications. These materials have good mechanical strength, impact resistance and abrasion resistance. They also have good processability.

Acetal and Delrin are excellent choices for industrial applications such as bearings, bearings and rollers. FDA approval is granted for food processing applications.

Nylon is a great material for demanding applications. It has high compressive strength, stiffness and resistance to abrasion. To increase strength, reduce friction, and improve heat resistance, you can add lubricants or fillers like glass. Wear pads, pulleys and inserts for equipment racks, valve bodies, front holes cones, gears, bushings, and valve bodies are all common applications. Nylon is FDA approved.

PVC is a good choice for more dangerous applications. It has a high chemical resistance, low burning time, good machinability, and cost efficiency. Common components include pump and valve components, filter components, and destructive tank components. There are also common mechanical components like spacers, stiffeners, and other spacers.



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