1, the concept of different:
(1) RoHS is a mandatory standard developed by the European Union legislation, its full name is "on the restriction of the use of certain hazardous components in electrical and electronic equipment directive" (Restriction of Hazardous Substances). The standard will be formally implemented on July 1, 2006, and is mainly used to regulate the material and process standards of electrical and electronic products, making them more conducive to human health and environmental protection.
(2) HSF is Hazardous Substance Free, which means Hazardous Substance Free. Many green directives have HSF requirements. The product meets the external or internal requirements of Hazardous Substance Free, no heavy metals and no phthalates.
2, standards or regulations are different:
(1) D- HHSF is Hazadous Substances Free? According to the original QC08000 standard: ? Terms and Definitions? For the purposes of this specification, the following terms and definitions apply.
(2) HS Hazardous Substances means any raw material listed in the WEEE or RoHS Directives and any additional user requirements such as prohibitions and interoperability with banned substances. HSF Hazardous Substances Free means any raw material listed in the WEEE or RoHS Directives or in any other appropriate standard or regulation.
3, different requirements:
Directly with the customer to ask for a list of HSF substances, different companies will have different control of HSF.
Baidu Encyclopedia - ROHS Testing
Baidu Encyclopedia - HSF