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News

Reduce Nuisance Alarms!

Quality gold and alloy crystals from PSI reduce nuisance alarms and provide consistent crystal readings!  More

First Ever Spent Polish & Alloy Water Treatment System

Lgen-Pal polish and alloy water treatment systemFiltertech recently partnered with PSI to market and sell their new LGEN-Pal System. It is designed to easily treat spent polish and alloy wastewater all in one system. The treatment allows thick, dry waste to be thrown away as a solid and clean water to be put safely down the drain.   Learn more

New & Improved Cad-Con


Cad-Con 1000Cad-Con 1000 has been reformulated with higher-grade, less dense chemicals that gives it a powder like texture. This new and improved formula mixes with wastewater better and separates the effluent from the sediment more throughly.  Learn more

On Clearance


PSI had three used pumps on clearance.  Other discontinued or slight used products such as filters, cutters and fining pads, etc. are available for purchase .  Specials

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Tech Notes & Information

Additional information on surfacing and finishing lenses.

  • New LGEN-PAL System, first-ever spent polish and alloy water treatment system.

    November 28, 2018

    Filtertech recently partnered with PSI (Practical Systems, Inc.), an independently owned U.S. manufacturer and distributor of quality optical lab supplies and equipment, to market and sell the LGEN-PAL system. With three models; fully-automatic, semi-automatic, and manual, the LGEN-PAL is designed for all lens generating labs to easily treat spent polish and alloy wastewater all in […]

  • New & Improved Cad-Con 1000

    November 8, 2018

    Cad-Con 1000, used to treat alloy wastewater for safe disposal, has been reformulated. New higher-grade, less dense chemicals are now being used, giving Cad-Con a powder like texture. This new and improved formula mixes with wastewater better, so that it only needs to be thoroughly blended once. The new chemicals aid gravity to completely separate […]

  • New Blocking Pad Shapes!

    August 10, 2018

    PSI is pleased to announce new configurations of their PSI Red and PSI Blue Blocking Pad lines. PSI Red Blocking pads are now available in four new configurations, 19 x 32mm oval with center hole, 17 x 36 oval with end tabs, 22 x 25mm round with center hole and 14 x 21mm oval with […]

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  • cardant for digital lens polishers

    Cardant

    Cardant for Schneider CCP102 & 103 and Swift digital lens polishers. Quality replacement part. 10 per package

     Short and tall bellows and Ball Head Assembly also available.

    Part #SCH-CARD

    $69.95 Add to cart
  • pH Pre-Treat for Cad-Con 1000

    pH Pre-Treat

    Is a pre treatment used in alloy reclaim tank wastewater when vinegar or other acidic product is used to clean alloy before Cad-Con 1000™ is used. pH Pre-Treat will improve the effectiveness of Cad-Con 1000™ when treating for lead and cadmium.

    $23.33 Add to cart
  • Sale!

    Tool Spindle, Complete Assembly

    Complete Tool Spindle Assembly for lens fining/polishing machines. Has a slight ding that will not effect performance.  Sold AS IS.  Only one available.

    Part #: *Parts150-40-0010.

    $1,540.00 $1,309.00 Add to cart
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