Film-Tech Forum ARCHIVE: Suggestions on Cleaning Coated Port Glass?

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Topic: Suggestions on Cleaning Coated Port Glass?

Bill Enos
Film God

Posts: 2081
From: Richmond, Virginia, USA
Registered: Apr 2000

posted 06-18-2005 09:36 AM

All our but one of our projection port glass is white glass which cleans easily with whatever is convenient. There is one about 20 inches square that is a Neumade coated port. Lens cleaning fluids, glass cleaners, all bead on it like water on a freshly waxed car. Attempts at cleaning do nothing more than reorient the dirt, smears. Suggestions?

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99

posted 06-18-2005 10:09 AM

I've had that same problem so many times with Starphire, but with coated glass it shouldn't be too difficult. Anyway I reccommend that you get some Industrial Foaming type Windex glass cleaner at a janitorial supply place. That has always worked good for me. If that doesn't work then it may be easier to just buy new glass, some glass just does not clean easily.

Mark

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John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000

posted 06-20-2005 08:21 AM

Try some of the lens cleaners from Edmund Optics:

http://www.edmundoptics.com/onlinecatalog/displayproduct.cfm?productID=2520

quote:
• Fully Endorsed by EO Assembly Staff
• 100% Environmentally Safe
• Smear, Residue Free
• Unique Soil-Release Process
• For All Coated & Multi-Layer Coated Military Optics

The secret is out! This is the best cleaning solution that we have ever used for our cutting edge stock optics as well as our custom and military assemblies. This is the only cleaner in the world that breaks the bonding energy that holds soil to the surface. State-of-the-art cleaning solution has created a new high-tech standard for leading edge optical technology companies. It is 100% hazard free, completely biodegradable, non-flammable, completely solvent free, odorless, non-conductive, neutral pH, contains no volatile organic compounds, and has exceptional static control. Manufactured in Class 100 Clean Room. Ideal for glass or plastic.

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