Rubber is divided into two types: natural rubber and synthetic rubber. Natural rubber is processed by extracting gum from rubber trees, rubber grass and other plants; synthetic rubber is obtained by polymerization of various monomers. Rubber products are widely used in all aspects of industry or life

Plexiglass (Polymethyl methacrylate) is a common name, abbreviated as PMMA, and the chemical name of this polymeric transparent material is polymethyl methacrylate, a polymer compound made by polymerizing methyl methacrylate. It is an important thermoplastic that was developed earlier. Plexiglass is divided into four kinds of colorless transparent, tinted transparent, pearlescent, embossed plexiglass. Plexiglass is commonly known as acrylic, C.X. acrylic, Agglomeration, plexiglass has the advantages of better transparency, chemical stability, mechanical properties and weather resistance, easy to dye, easy processing, beautiful appearance. Plexiglass is also called gelatin glass, acrylic, etc.

ABS plastic is a kind of "tough, hard and rigid" material with easy access to raw materials, good overall performance, low price and wide range of uses, ABS plastic has been widely used in mechanical, electrical, textile, automobile, aircraft, automotive parts and other manufacturing industries for many industries. This material is widely used for cnc machining.

Soft polyurethane mainly has a thermoplastic linear structure. It has better stability, chemical resistance, resilience and mechanical properties than PVC foam materials, and has less compression deformation. Good heat insulation, sound insulation, anti-vibration and anti-virus performance. Therefore, it is used as packaging, sound insulation, and filter material.

In the field of CNC machining processing industry, plastics are often used as raw materials for further processing. Meanwhile plastics materials are integral to the modern manufacturing industry — they’re widely available, most are affordable, and they’re compatible with popular manufacturing processes like injection molding, 3D printing, and CNC machining. Now there are many types of plastic material on the market, so what kind of plastic materials should be selected when processing cnc machining.

(2) POM has fatigue resistance, creep resistance, wear resistance, heat resistance, impact resistance and other excellent performance, and the coefficient of friction is small, self-lubricating good.

Bakelite is the first type of plastic to be put into industrial production. It has high mechanical strength, good insulation, heat and corrosion resistance, so it is often used in the manufacture of electrical materials, such as switches, lamp holders, earphones, telephone cases, instrument cases, etc. .

PVC used to be the world's most produced general-purpose plastic and has a wide range of applications. It is widely used in construction materials, industrial products, daily necessities, floor leather, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers, etc. This material is widely used for cnc machining.

(1) mechanical properties: high strength and elastic coefficient, high impact strength, good fatigue resistance, good dimensional stability, small creep (very little change under high temperature conditions), high transparency and free coloring. This material is widely used for cnc machining.

(2) white, odorless, tasteless, non-toxic powder, commonly known as "plastic king". It has excellent high heat resistance, sealing, scratch resistance and non-stick, electrical insulation and good anti-aging resistance. High temperature resistance, good weather resistance, the best aging life of plastics. High lubrication, the lowest coefficient of friction among solid materials. Non-adhesive, the lowest slippery surface tension among solid materials, does not adhere to any substance. Non-toxic, physiologically inert, no adverse reactions to long-term implantation as artificial blood vessels and organs.

Once an exact mold is built (through our in-house tooling), our robust micro molding process begins. Dependable and accurate equipment is essential when working with such small component sizes and micro features.

(2)fatigue resistance is outstanding, the parts can still maintain the original mechanical strength after repeated bending.

(5) ABS is not affected by water, inorganic salts, alkali alcohols and hydrocarbon solvents and many acids, but is soluble in ketones, aldehydes and chlorinated hydrocarbons, and is subject to stress cracking from erosion by ice acetic acid and vegetable oils.

(3) ABS is an amorphous polymer with no apparent melting point; it has high melt viscosity and chemical resistance, low friction, poor fluidity and poor weatherability.

High strength and high modulus fiber with carbon content of over 90%. It has the highest temperature resistance of all chemical fibers. It is made of acrylic and viscose fibers, which are carbonized by high temperature oxidation. It is an excellent material for the manufacture of aerospace and other high technology equipment.

Now that you’ve been introduced to the different plastic materials that are used with CNC machining, you can finally plan out which will be best suited for your application. If you want to learn more about the CNC machining services offered by Worthy Hardware, visit our website or contact us. Our contact information is [email protected] or +86-13143254839（WeChat and Whatsapp)

Plastic materials -Pom is a white or black plastic granule with high hardness, high steel and high wear resistance. Mainly used for gears, bearings, auto parts, machine tools, instrument internals and other products that play a skeleton role.This material is widely used for cnc machining.

PPS (polyphenylene sulfide) is a thermoplastic special engineering plastic with excellent comprehensive properties. Its outstanding features are high temperature resistance, corrosion resistance and superior mechanical properties.

(4) ABS has good plastic machining material properties and is virtually unaffected by temperature, humidity and frequency, and can be used in most environments.

In this article, we will introduce all the CNC Machining plastic material, including their chemical resistance, excellent dimensional stability, high temperature resistance, abrasion resistance, CT.

Then lean on your molder and their knowledge of materials, processing, strategy, techniques, and development requirements to get the best outcome possible in the least amount of time.

Plastic materials -Nylon is a good material for cnc plastic machining instead of mild steels, iron, copper and other metals, is an important engineering plastic; cast nylon is widely used to replace the wear-resistant parts of machinery and equipment, instead of copper and alloy for the wear-resistant parts of equipment. Suitable for making wear-resistant parts, transmission structure parts, household appliance parts, automobile manufacturing parts, filament preventing mechanical parts, chemical machinery parts, chemical equipment. Such as turbines, gears, bearings, impellers, cranks, instrument panels, drive shafts, valves, vanes, filaments, high-pressure washers, screws, nuts, seals, bobbins, sleeve Jane, bushing connectors, etc. This material has good machinability so is widely used for cnc machining.

Bring your grand ideas to your molding partner and discuss your wishlist for your design. But know product’s requirements—you understand the limits of your design and the edges of success and failure.

It has excellent flame retardancy and is a non-combustible plastic. The strength is general, the rigidity is good, but it is brittle and easy to produce stress brittleness; it is not resistant to organic solvents such as benzene and gasoline; the long-term use temperature can reach 260 degrees, and it is stable in air or nitrogen at 400 degrees.

Rigid polyurethane plastic is light in weight, excellent in sound insulation, heat insulation, chemical resistance, good electrical properties, easy to process, and low water absorption. It is mainly used as a structural material for construction, automobile, aviation industry, and thermal insulation.

(3) POM is not easy to absorb moisture, water absorption rate of 0.22 ~ 0.25%, good dimensional stability in a humid environment, its shrinkage rate of 2.1% (larger), injection molding size is difficult to control, the heat deflection temperature of 172 ℃, paraformaldehyde has two kinds of homopolymer formaldehyde, different performance (homopolymer formaldehyde temperature resistance is better).

(4) Polyethylene has good chemical stability. It is resistant to corrosion by aqueous solutions of acids, alkalis, and salts at room temperature.

(5) insulation performance: excellent (moisture, high temperature can also maintain the electrical properties of stable, is the ideal material for the manufacture of electronic and electrical parts).

(2) Heat resistance to aging: wide range of use temperature, enhanced UL temperature index of 120 ~ 140 ℃ (outdoor long-term aging is also very good).

The performance of polyurethane elastomer is between plastic and rubber, oil resistance, abrasion resistance, low temperature resistance, aging resistance, high hardness and elasticity. Mainly used in the shoe industry and medical industry. Polyurethane can also be used to make adhesives, coatings, synthetic leather, etc.

(4) stability to water: easy to decompose under high temperature in contact with water (caution is needed when using in high temperature and high humidity environment)

MTD specializes in overmolding – when two or more materials are molded together to form a component. We offer insert molding and multi-shot (or multi-material) molding.

After modification by adding glass fiber or other reinforcing materials, the impact strength can be greatly improved, heat resistance and other mechanical properties are also improved, the density is increased to 1.6-1.9, and the molding shrinkage rate is as small as 0.15-0.25%. Used in the production of heat-resistant parts, insulating parts, chemical instruments, optical instruments and other parts.

MTD manufactures complex micro molded medical components in a variety of polymers, including bioabsorbables and PEEK. Our specialized injection molding equipment and team of expert engineers will help you optimize your speed-to-market and production cost-efficiency.

Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance, good chemical stability, and can resist the erosion of most acids and bases. Insoluble in general solvents at room temperature, small water absorption, excellent electrical insulation. This material is widely used for cnc machining.

Excellent electrical insulation (especially high-frequency insulation), white hard and brittle, metallic noise when dropped on the ground, light transmittance second only to plexiglass, coloring and water resistance, and good chemical stability.

Worthy Hardware is a CNC manufacturing and sheet metal fabrication company,including CNC machining services,CNC milling services, CNC turning services, laser cutting services and stamping services.Call us +86-76989919645 or email us [email protected] for more discounts for your projects.

(3) Because polyethylene is non-polar, it has excellent electrical properties of low dielectric loss and high dielectric strength, that is, it can be used as FM insulating material, corona resistant plastic, and high voltage insulating material.

Peek is a special engineering machining plastics with excellent performance of high temperature resistance, self-lubrication, tight tolerances, low cost, easy processing and high mechanical strength, which can be manufactured and processed into various mechanical parts, such as automobile gears, oil sieves, electronics enclosures; aircraft engine parts, automatic washing machine rotors, medical devices, etc. This material is widely used for cnc machining.

Polypropylene has small density, rigid strength, hardness and heat resistance are better than low-pressure polyethylene, and can be used at about 100 degrees. It is widely used in the production of clothing, blankets and other fiber products, medical equipment, automobiles, bicycles, parts, transport pipes, chemical containers, etc. It is also used in food and pharmaceutical packaging.

(2) ABS has excellent mechanical properties, and its moisture absorption is good and can be used at very low temperatures.

Rubber refers to a highly elastic polymer material with reversible deformation. It is elastic at room temperature and can produce greater deformation under a small external force. It can be restored to its original state after the external force is removed.

(1) The mechanical properties of polyethylene are general, the tensile strength is low, creep resistance is not good, impact resistance is good.

(1) ABS is a very good overall resin with high impact strength and surface hardness over a relatively wide temperature range, higher heat deflection temperature than PA and PVC, and good dimensional stability.

PTFE is used in the electrical industry, in aerospace, aviation, electronics, instrumentation, computers and other industries as the insulation layer of power and signal lines, corrosion-resistant, wear-resistant cnc materials can be made of film, pipe plate bar, bearings, gaskets, valves and chemical pipes, pipe fittings, equipment container lining .This material is widely used for cnc machining.

G10 is a composite material made of glass fiber cloth and epoxy resin, which was originally developed as a material for aircraft and can withstand great force without deformation. G-10 is available in black, red, blue, green and other colors, and some G-10 has two levels of colors at the same time, and the texture and performance of G-10 are better than ZYTEL.

Because MTD focuses exclusively on micro molding medical components, we’ve been able to produce some of the tiniest and most precise medical device components in the world. We specialize in solving the most complex micro molding challenges, as well as producing breakthroughs in bioabsorbable and drug delivery components.