Techtron HPV PPS - Reinforced, Wear Enhanced PPS Meeting Challenging Demands Within Budget Constraints
Many engineering plastics perform well in applications at elevated temperatures, for example retaining rings used to retain wafers in chemical mechanical polishing equipment, but if you require chemical resistance, or bearing and wear performance in combination with high temperature resistance, choices are very limited. Even more so, when you require a combination of these properties, and then material options are often over engineered and extremely costly.
Techtron HPV PPS can extend your high performance material options, offering the "extreme" performance without "breaking" the budget. This reinforced, internally lubricated polyphenylene sulphide (PPS) grade exhibits an excellent combination of properties and can safely be used in high temperature environments with exposure to chemicals in a variety of industries. Techtron HPV PPS finds its applications where materials: nylon, acetal, ertalyte, PEI, PSU fall short, and where PBI, PEEK, PAI are over engineered and a more economical solution must be found. Techtron HPV PPS is FDA approved and offers good resistance to UV and high energy radiation (gamma and X-rays).
 WEAR RESISTANCE | Minimum wear resistance means longer dynamic part life, lower maintenance and down time as well as replacement costs. External lubrication is not required, thus eliminating potential contamination from lubricants. The combination of wear resistance PLUS load-bearing performance at high temperatures offer reduced material costs when compared to other advanced engineering plastics. |
 CHEMICAL RESISTANCE | Based on PEEK and PPS technology, Techtron HPV PPS offer the similar resistance to a broad range of chemicals. Tetron HPV PPS withstands aggressive acids, alkalis and hydrocarbon based solvents in addition to pressurized, steam environments (autoclave). |
 STRENGTH RETENTION AT HIGH TEMPERATURES | Cost-effective, longer wearing parts. Techtron HPV PPS is able to withstand higher structural loads at higher temperatures when compared to PEEK. (Max allowable service temperature 220°C, continuously or 260°C, short term.) |
 DIMENSIONAL AND TOLERANCE STABILITY | Low thermal expansion and low moisture absorption guarantee consistent tolerance control in dynamic environments. Precision machined components that are dimensionally stable even with exposure to wide variations in temperature, moisture and chemicals. |
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For more information on this unique Advanced Engineering Plastic, contact DOTMAR for an electronic product brochure - marketing@dotmar.com.au.
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Applying Force Is Just Not a Good Option
Engineering Plastics stock shapes can be easily machined using conventional woodworking machines, however keep some basic tips in mind to ensure problem free results. Never force plastic parts - Use moderate clamping forces. The use of "thread cutting" or "thread forming" screws create tremendous stresses around the hole and are most likely to result in stress cracking. When tapping threads or assembling bolts in blind holes, again do not apply force as cracking could occur.
What is the difference between Cast and Extruded Nylons?
The two types of manufacturing processes result in products with different composition and structure in terms of their molecular chains. Overall cast nylons have a better dimensional stability, improved wear resistance and lower moisture absorption when compared to extruded grades. Cast nylons also exhibit improved resistance to solvents and greater hardness. Extruded grades are tougher and have greater impact resistance and vibration dampening properties. Dotmar supplies an extensive range of both cast and extruded nylon stock shapes under the brand names ERTALON and NYLATRON. Virgin or various filled grades are available.
Read more information on our Ertalon/Nylatron product offering.
Plastics Save Energy and Natural Resources
It is estimated that plastics save more energy than is needed for their manufacture. Most plastics are derived from fossil fuels like oil, but only around 4% of the world's oil supply is used as a feedstock to produce plastics. Plastics can be recycled at the end of its lifecycle or re-used as fuel in much the same way as the original fossil fuel.
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Conveyor Products
Powerflex Modular Plastic Belts From System Plast
 In a production environment it is all about efficiencies, and not being forced to deal with unnecessary stoppages that impact on revenue. System Plast products are designed to aid in noise reduction, improve hygiene, reduce water consumption and save on operating costs.
System Plast now offers a new modular, plastic side flexing belt for conveying packaged products. The robust, POWERFLEX series offer greater versatility and can be used for left, right or S-curves as well as small radius "L" or "U" curves (standard and heavy duty belts with a RADIUS - WIDTH ratio of MIN 1.0). POWERFLEX is a solid reliable product for use in demanding, high speed applications like multi packs of large plastic bottles, shrink wrap or large trays of beverage cans.
POWERFLEX belts are exceptionally strong with heavy load bearing capability. Suitable for operation at high speeds without compromising on product support, production efficiencies are guaranteed. POWERFLEX belts have a unique "pin locking mechanism" that result in easy installation and user maintenance without the need for complicated tooling.
The POWERFLEX range is available in different belt types suitable for many different applications and includes sprockets, guide strips and plastic conveyor curves.
 To receive a comprehensive product brochure on POWERFLEX belts, please contact our Conveyor - Product Manager, Mick De Reus at: michael.dereus@dotmar.com.au.
DotNews
New Tasmanian Operation Open for Business
In the first week of November, Dotmar Engineering Plastics officially opened a Tasmanian distribution centre promising greater levels of service and support to customers.
State manager, Malcolm Dennis is confident that Dotmar's new Moonah-based distribution centre will provide customers with immediate access to industrial and engineering plastics such as nylon rod, acetal rod, nylon sheets, UHMWPE sheets and PVC, plus expert technical advice and plastics knowledge. Malcolm Dennis and Internal salesman, Wyn Hohaia will assist customers in developing appropriate solutions for unique applications. Dotmar's products also specialize in timber, metal and rubber replacement and benefits of thermoplastic usage is explained under the SOLUTIONS section of the website.
The Hobart team has plenty of experience and a solid understanding of the industry. Malcolm Dennis has worked in industrial sales for 23 years and has an extensive background with a range of engineering markets across Tasmania. Mr. Hohaia has been employed in Dotmar's Melbourne branch for four years and brings with him valuable thermoplastics knowledge.
The Hobart team is just a phone call away, and look forward to servicing their Tasmanian customers. For more information call Malcolm Dennis on 03-6272 3001 or Email: malcolm.dennis@dotmar.com.au or visit our website: www.dotmar.com.au
We welcome comments or suggestions for future issues of SOLUTIONS.
Please feel free to contact our Marketing Department directly in this regard.
sonia.crouche@dotmar.com.au.
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