Yes, the fumes can etch not only glass but any metal that the fumes come in contact with.>Not to mention that HF is a very nasty acid..Take a look at an MSDS for HF and you will see how dangerous it is.
Brain,
You are correct any time you are working with an acid you run a risk of damaging other materials. Masking and protecting is the answer, along with goo
John E. Freitag
President/Director
The Stone and Tile School
Office 407-567-7652
Cell 407-615-0134
jfreitag@thestoneandtileschool.com
d ventilation.
From: bkornet@fabracleen.com [mailto:bkornet@fabracleen.com]
Sent: Monday, December 14, 2009 3:35 PM
To: Restoration and Maintenance
Subject: RE: [sccpartners] Non Slip Chemicals
For my own knowledge Fred. If you are using Hydrofluric Acid, aren't you risking the off gassing etching any glass and possibly stainless steel?
Brian Kornet
Fabra Cleen
"Getting all the dirt since 1949"
212-777-4040
516-679-9473
718-776-3564
fabracleen.com
fabracleenstoneandtilecare.com
From: Dr Fred <fhueston@stoneandtilepros.com>
Date: Mon, 14 Dec 2009 11:17:09 -0500
To: Restoration and Maintenance<sccpartners@stoneandtilepros.com>
Subject: RE: [sccpartners] Non Slip Chemicals
Most of these products contain Hydrofluric acid or Ammonia bifluride, which is also a acid. They work by micro etching the surface of the tile and/or stone. This means they open up the stone/tile somewhat which will cause them to soil quicker..These are the same products that are used for slip fall on bathtubs and you see how fast they become soiled. So to answer your question..they do work but they will increase maintenance.
On Mon, Dec 14, 2009 at 10:53 AM, John Freitag <jfreitag@thestoneandtileschool.com> wrote:
Don,
I seem the product Nino is referring to. I highly recommend you do a test for the customer. Keep in mind that all slip resist products do change the appearance of the tiles. These products are acid based so normal precaution are to be taken when using these product.
If these products are used on marble they will slightly etch the stone.
The only other slip resist product are coating that i8 do not recommend.
Also when using these products the customer m=needs to know they must keep the surface clean. If the surface is not kept clean the pores in the tiles will collect dirt etc. and become slippery again. Usually with any slip resist product I recommend a cleaning maintenance program. The frequency of the maintenance program will depend upon the location of the tiles.
John E. Freitag
President/Director
The Stone and Tile School
Office 407-567-7652
Cell 407-615-0134
jfreitag@thestoneandtileschool.com
From: Troy Lewis [mailto:tlewis@stoneandtilepros.com]
Sent: Monday, December 14, 2009 10:29 AM
To: Restoration and Maintenance
Subject: [sccpartners] Non Slip Chemicals
I have seen some products that are supposed to create a high coefficient of friction on tiles, which reduces the chances of slips and falls. They do this by dissolving small amounts of silica on the surface.
Are they safe to use? Will they create long term damage?
Don
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Frederick M. Hueston PhD
www.stoneforensics.com
www.stoneandtilepros.com
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