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REACH test is the abbreviation of EU regulations "Registration concerning the Registration, Evaluation, Authorization and Restriction of Chemicals" (REGULATION concerning the Registration, Evaluation, Authorization and Restriction of Chemicals). It was established by the European Union and implemented on June 1, 2007. Product supervision system.

    This is a regulatory proposal concerning the safety of chemical production, trade, and use. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation , Increase transparency in the use of chemicals, promote non-animal experiments, and pursue sustainable social development. The REACH Directive requires that all chemicals imported and produced in Europe must go through a comprehensive set of procedures such as registration, evaluation, authorization and restriction, in order to better and more simply identify the chemical components to achieve the purpose of ensuring environmental and human safety. The directive mainly includes registration, evaluation, authorization, restriction and other major items. Any product must have a registration file that lists chemical ingredients, and explain how the manufacturer uses these chemical ingredients and toxicity assessment reports. All information will be entered into a database under construction. The database will be managed by a new EU agency, the European Chemical Agency, located in Helsinki, Finland. The agency will evaluate each file, and if chemicals are found to have an impact on human health or the environment, they may take more stringent measures. Based on the evaluation of several factors, chemicals may be banned or require approval before they can be used.　According to reports, unlike the RoHS directive, REACH covers a much wider range. In fact, it will affect products and manufacturing processes in almost all industries, from mining to textiles and garments, light industry, electromechanical and so on. REACH requires manufacturers to register each chemical component in a product, there are about 30,000 in total-and to measure its potential harm to public health. REACH has established the concept that society should not introduce new materials, products or technologies if their potential hazards are unknown.