With regular, reflective, clear, float glass, the available natural or artificial light, illuminates the artwork, penetrates the glass and then filters back into your eyes. Glazing with Non-Reflective, Diffused or Non-Glare Glass However if the picture frame, or photo frame for that matter, contains rare, valuable or significant art then this type of glass should not be used because UV rays will visibly damage and bleach the art in as relatively as short a time span of five to seven years.Ĭlear float glass is also highly reflective, a quality not always appreciated by Customers and remedied by only by having artwork glazed with non-reflective glass. This matters little when the framed art is inexpensive, common, cheap, disposable reproductions and commercial art of little value to the customer. This means that round about half of the diffused, harmful UV, are capable of penetrating and damaging artwork. It has excellent clarity and blocks about 55% of harmful Ultra Violet (UV) light absorption. This type of glass is the cheapest of all picture framing glazing materials and this is another reason why it is the most used and most popular. GLASS PHOTOFRAME FREEAsahi standards help to ensure that glass is of high clarity, light transmission, manufactured in uniform good quality and free of seeds, cords and other defects. There are no picture framing glass manufacturers remaining in Australia because our high manufacturing costs make glass manufacturing uncompetitive. Nearly 100% of this is imported glass and generally it is made to conform to Asahi glass standards. Picture frames and photo frames glass panes are cut down to size by picture framers from large sheets, commonly 1800 x 1200 cms x 1.8mm thick which framers buy from glass wholesalers. It is called float glass because it is made by floating molten glass on a bed of molten metal, usually tin during the Pilkington process.ĭepending on where the silica sand is mined from, it may have a greenish, yellow or even pink tinge. This is the most common of glazing (to glaze means to furnish, cover or fill with glass) materials used in both commercial picture frames and custom picture frames. Glazing with Regular, or Clear Float Glass
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