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All about Acid Etched Glass (Part III)
Published:2015-10-21 16:46:49    Text Size:【BIG】【MEDIUM】【SMALL
Summary:Acid -etched glass is becoming trendy in design and construction. The consistency and durability of the finish can reduce glare and reflection, add privacy, increase light transmission, and provide texture. It is important to select the right acid-etched glass for an application, and avoid marking issues during its storage and fabrication.

Storage and fabrication

If proper care is taken during storage and fabrication, acid-etched glass or mirror can be kept clean as easily as non-etched products. Whether the glass is tempered, laminated, insulated, painted, or even bent, fabricators can preserve the quality of the final product.

However, the general suggestions for keeping acid-etched glass or mirror stain-free during storage and fabrication may not be suitable in all situations. Fabricators should follow guidelines issued by the manufacturer of a particular product to prevent or fix any marks or stains that occur.

 

Storage

Proper storage practices can help avoid marking on acid-etched glass and mirror. Storage spaces must be dry and adequately ventilated. Sheets should not be stored in areas of high humidity or heat (e.g. places near steam or water pipes). Spaces exposed to chemical fumes should also be avoided. All these conditions promote staining. Conversely, sheets should not be stored outdoors or in unheated areas.

 

Fabrication

Due to the particular characteristics of more rugged glass surfaces, extra care should be taken during their fabrication to minimize the likelihood of embedding grease or dirt into the surface.

Gloves must always be used when working with sheets. When handling sheets using equipment with suction cups, the clean and dust-free cups should be applied to the flat, untreated side.  If this is impossible, care should be taken to ensure proper vacuum is achieved (i.e. testing must be done to be certain the cupsstickto the glass to handle the weight).

When edging glass, these practices should be followed;

1.        the edging machine conveyors should be clean and free of grease and buildup of glass grindings or cerium oxide.

2.        The conveyor must be regularly opened and the machine interior washed (particularly the brushes) using soapy water.

3.        The front and back conveyor pads should be routinely brushed, until all traces of cerium oxide and glass grindings are removed.

4.        The front and back conveyors must be synchronized at identical speeds.

5.        Only coolant specifically recommended for glass grinding and that adhere closely to the manufacturers recommended dilution ratio should be used.

6.        Manufacturer guidelines for concentration levels must be followed when using cerium oxide, with care taken to never add more than the minimal amount necessary for good polishing.

7.        Glass should be washed immediately after polishing. Washer brushes with 0.36mm (0.014in.) diameter nylon bristles offer the best results. The glass washer should be equipped with one pair of upper and lower brushed for every 0.6 m (2 ft) per minute of travel – for example, a machine operating at a speed of 1.8 m (6 ft) per minute should have three pairs of brushes. (This guideline is only applicable to regular float glass and not to coated products such as low-emissivity [Low-E] glass.)

8.        As an extra precaution, wetting the glass surface immediately before polishing greatly reduces the risk of marking.

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