Download or read book GB 4806 7 2023 Translated English of Chinese Standard GB 4806 7 2023 GB4806 7 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-02-25 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard applies to food contact plastic materials and articles, including unvulcanized thermoplastic elastomer materials and articles. This standard also applies to the food contact starch-based plastic materials and articles.

Download or read book GB 4806 14 2023 Translated English of Chinese Standard GB 4806 14 2023 GB4806 14 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-01-28 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard applies to inks for food contact materials and products and the printing ink layers formed thereon. 2 Terms and definitions 2.1 Inks for food contact materials and products Ink that is expected to be printed on food contact materials and products, in direct contact with food or in indirect contact with food but whose components may be transferred to food. It also includes varnish used with inks. 3 Product categories According to whether they are in direct contact with food, inks for food contact materials and products can be divided into two categories: - Inks for direct contact with food: Inks printed on the food contact surfaces of food contact materials and products, that are expected to come into direct contact with food; - Indirect food contact inks: Inks printed on non-food contact surfaces of food contact materials and products, that are not expected to come into direct contact with food, BUT whose components may be transferred to food. 4 Basic requirements 4.1 Inks used for food contact materials and products shall comply with the requirements of GB 4806.1. 4.2 Ink manufacturers for food contact materials and products shall control the safety risks of ink products, through formula design, raw material selection, production process control, product information transmission and other measures. 4.3 Enterprises printing food contact materials and products shall control safety risks arising from inks, through packaging design, raw material selection, printing process GB 4806.14-2023 www.ChineseStandard.net ? Buy True-PDF ? Auto-delivery. Page 4 of 13 control, product information transmission and/or adding effective barrier layers. Under the premise of achieving the expected printing effects, it shall minimize the usage of ink. 4.4 The production and printing process of inks for food contact materials and products shall comply with the relevant requirements of GB 31603. 5 Technical requirements 5.1 Raw material requirements 5.1.1 Basic raw materials...

Download or read book GB 4806 11 2023 Translated English of Chinese Standard GB 4806 11 2023 GB4806 11 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-02-24 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard is applicable to the food contact rubber materials and articles.

Download or read book GB 4806 9 2023 Translated English of Chinese Standard GB 4806 9 2023 GB4806 9 2023 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2024-01-28 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard is applicable to metal materials and products for food contact.

Download or read book Advanced Welding Processes written by J Norrish and published by Elsevier. This book was released on 2006-10-11 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced welding processes provides an excellent introductory review of the range of welding technologies available to the structural and mechanical engineer. The book begins by discussing general topics such power sources, filler materials and gases used in advanced welding. A central group of chapters then assesses the main welding techniques: gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), high energy density processes and narrow-gap welding techniques. Two final chapters review process control, automation and robotics.Advanced welding processes is an invaluable guide to selecting the best welding technology for mechanical and structural engineers. - An essential guide to selecting the best welding technology for mechanical and structural engineers - Provides an excellent introductory review of welding technologies - Topics include gas metal arc welding, laser welding and narrow gap welding methods