Glass is made from sand, soda ash, limestone through rapid cooling. Glassware imports grew from $13.3 billion to $25 billion between 2003-2020. China leads global glass exports, accounting for nearly 25%
Table includes German DIN, GB BS, USA and Japanese material grades. Covers plain, cast and free-machining steels. Contains low-alloy, high-alloy and stainless steel grades
BS EN 13445-4:2014 specifies requirements for manufacturing of unfired pressure vessels. Supersedes EN 13445-4:2009 and is published by BSI in 2014. Standard consists of 11 parts covering general requirements and fabrication procedures
Specifies quality levels for fusion welded joints in steel, nickel, titanium and alloys. Applies to material thickness ≥ 0.5 mm. Covers butt welds and fillet welds, including partial-penetration ones. Excludes beam welding
Reflection haze occurs when light reflects from materials. Transmission haze happens when light passes through materials. Measurement and control essential for product quality. Automotive requires low reflection haze, packaging needs clear transmittance