Which reflects in glass film making control to hazardous chemicals in the process of tempering. if the harmful substances of glass film remained exceed safety standards, and the glass film have used for a long time, that is a great harmful to human health; there will produce pungent smell, seriously affect the physical and mental health, unless it used eco-friendly glue rubberizing. although we cannot experience to know whether exceed standard in the process of using the harmful substances, it can be tested by the authority.
Common environmental certification authority(generally through the package checking)
• RoHs: Europe Union RoHS directive,short for Directive on the restriction of the use of certain hazardous substances such as Pb, Hg, Cd, Cr6+, PBB, PBDE in electrical and electronic equipment.
• REACH: Europe Union RoHS directive, namely a regulation for managing all chemicals which entered into market, unlike RoHS directive, REACH has a much wider range of involved, Now, the REACH SVHC total listing add up to 151 substances.