Here is additional technical information on surfacing and finishing lenses.
PSI is happy to announce that we offer high quality AR consumables from The DON COMPANY in South Korea.The DON COMPANY and its products have an outstanding reputation in the US and around the world. Prior to PSI’s distributorship in North and South America, labs purchasing directly from DON would have to order large quantities far in advance. With our […]
PSI is changing the base color of our gray Digi-Laps to black. This change does not affect the performance of the product in anyway, it is simply a color change to the base. Below are the part numbers that are affected. In the future you should use the new part number when ordering your […]
Question: “I wanted to ask you if you could help us understand what Cad-Con 1000™ does to the alloy tank water? Could you please explain technically how the Cad-Con neutralizes the active metals left in the water and how best to determine if the water has been treated so that we can be certain it’s ok to […]
Written by James Williamson, CEP, CHMM 1. You want a total solution for alloy tank wastewater. Cad-Con 1000™ provides reliable treatment of tank wastewater contaminated with blocking alloy metals. 2. Effective treatment for the water component is a must. The liquid portion (water) must be suitable for discharge to your local sewage treatment plant. Used […]
As of December 31, 2016, Gary Peterson, PSI’s Technical Manager for the Western United States will be retiring. Gary has been with PSI 13 years, starting in 1999 for 3 years and returning in 2006. “The bonds forged with all my optical friends over the years is something I will never forget. PSI will always […]
Tired of Scooping Lens Swarf? PSI now offers a complete kit for filtering generator or edger coolant. This kit comes with a submersible pump, canister, filter a coolant tank filter bag and our new Universal Swarf Bag. This kit provides the components to collect the swarf in the the universal bag and filter the coolant […]
(Seoul Korea, 6/17/16) The DON COMPANY, LTD, of Korea, has signed Practical Systems, Inc. (PSI) as their authorized distributor in North, Central and South America. PSI will market, provide technical assistance and inventory the DON COMPANY’s hard coat, AR and hydrophobic consumables. PSI has also announced they have hired Todd Nachbar as their AR Specialist to provide the technical […]
As the Equipment and Technical Specialist for PSI, it has come to my attention that many owners of Automatic Surface Tape Applicator (ASTA) with carbide cutters or an ASTA Handling System with carbide cutters are not changing their inline vacuum filters as often as they should. This results in down time and expensive repairs. Over the […]
Over 40 years and still working! Today there are all kinds of electronic apps, emails and web reminders to send to customers to get them to return to your shop for a re-check or a new set of frames. Sometimes the simplest, old fashion thing can be just as effective, like private label lens cleaner. History of […]
PSI is happy to announce the new Transformer lens fining pad for processing plastic lens materials. This fining pad is unique because it transforms as it fines, just like the lens. It starts out coarse and as it fines the lens it becomes smoother and more transparent. Likewise, the lens is transformed to have an ultra smooth […]
