ABOUT TOYO SASAKI GLASS TSG (Toyo-Sasaki Glass) was created in 2002 following the merger between the Houseware Division of Toyo Glass and Sasaki Glass, two of Japan's oldest and largest glassware manufacturing companies. The combination of their long-standing traditions, technologies, and extensive sales networks have made TSG the biggest glassware manufacturer in Japan and marked a new chapter in Japan's glassware industry. Glass is a highly recyclable material made mainly from natural resources such as silica sand, lime and soda ash (sodium carbonate). Toyo-Sasaki Glass has developed our own high-quality soda lime glass “Fine Clear”, which has excellent transparency and does not contain any substances harmful to people or the ecosystem in its raw materials, and produces machine-made products. In addition, they reuse excess glass generated in the manufacturing process as a recycled material to effectively utilize limited resources and reduce CO2 emissions with technology developed over the past 100 years. Descriptions: Hand-made Semi Lead Crystal: Silicate glass containing more than 10% but less than 24% of lead oxide. Alternatively, silicate glass which contains lead oxide less than 24% or the sum of lead oxide, zinc oxide, barium oxide and potassium oxide is more than 10%. It gives superb clarity and transparency while carrying the strength and lightweightness of soda-lime glass. Dimensions: ・ Calibre: 6.2cm・ Height: 4.7cm・ Capacity: 60ml This glass cup is great choice for tea, matcha, sake. Please hand wash, do not put it in the dishwasher or microwave. Main ingredients: ・ Silica sand・ Potassium oxide・ Metal oxides such as lead oxide Characteristics: ・ Soft and heavy・High refractive index・High transparency Details: Manufaturer: Toyo-Sasaki Glass Chiba Factory is located in the city of Yachiyo in the northwest part of Chiba Prefecture. Toyo-Sasaki Glass Co., Ltd. MADE IN JAPAN
