Drawn Sheet Glass Clarity

Sheet glass has historically been used for thinner flat glass products.

Drawn sheet glass clarity.

The glass is then annealed and cut into 7 to 10 foot 2 to 3 m cylinders. Use wherever you want the look of glass table tops shelves and frameless picture framing are common applications. Since the glass is not touched by forming rolls it has a brilliant fire polish and excellent optical clarity making the glass useful for motor vehicle lights and large architectural applications where high optical quality is required. Price and availability of glass dictated window designs and lite patterns.

Optix green edge acrylic sheets give you the premium look and clarity of glass but with the strength and design flexibility of acrylic. In some cases broken glass cullet is added or recycled into the mix. Drawn sheet glass was made by dipping a leader into a vat of molten glass then pulling that leader straight up while a film of glass hardened just out of the vat this is known as the fourcault process this film or ribbon was pulled up continuously held by tractors on both edges while it cooled. Glass may also be formed.

Pressing and blowing are performed mechanically using blank molds and glass cut into sections gobs by a set of shears. The sheet process has limitations regarding thickness and overall size as well as clarity but was less expensive than the old plate glass grinding process so it became more commonly used in situations where a thinner typically lower cost but lower quality glass could. Blowing pressing and blowing drawing rolling or floating to produce the desired product. Together with our current transparent solid state drawn hdpe films along the drawing direction produced by tuning drawing temperature are shown in fig.

A piece of cylinder glass ready for cutting ca. It appears virtually colorless until your view is drawn to the dramatic green edge. Cast glass drawn sheet and polished plate glass to today s state of the art float glass process. The turn of the century glass circa 1900 is made here in the usa one sheet at a time using a special patented process and is almost identical to glass made in the first part of the 20th century.

Later as technology improved in the early 1900s machine drawn cylinder glass was introduced. These are cut lengthways reheated and flattened. In the drawing process molten glass is drawn upward in a sheet through rollers with. The specific strength and modulus of common transparent materials like sheet glass pmma pc and ps drawn hdpe films with bzt additives produced by shen et al.

Manufacturing of flat glass by the float process became a commercial reality in the 1960 s with approximately. Ingredients such as soda and lime are added to lower the melting temperature of silicate and promote optical clarity of the finished glass product.