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LX(TWGMC) Technology Co., Ltd. has established a complete toxic and hazardous substances management program, and partners to build a good green supply chain, the current production of the relevant provisions of the EU restrictions on the use of certain hazardous substances (RoHS) Products are RoHS compliant. 

At the same time, in order to ensure that customers in the use of lead-free solder replacement of traditional lead-containing flux in the transition period of normal use, Wright (TWGMC) Technology Co., Ltd. product lead part of the lead-free changes will ensure that lead-free products and customers existing Of the lead-free products in the application performance has not declined, TWGMC lead-free products, whether for lead or lead-free soldering, have sufficient welding adhesion.

RoHS The maximum permissible value of the restricted substance

mercury (Hg)

0.1% weight

1000 ppm

cadmium (Cd)

0.01% weight

100 ppm

lead (Pb)

0.1% weight

1000 ppm

Hexavalent chromium (Cr +6 )

0.1% weight

1000 ppm

Polybrominated biphenyls (PBB)

0.1% weight

1000 ppm

Polymerization of brominated biphenyl ether (PBDE)

0.1% weight

1000 ppm

RoHS Of the exemption clause

 

Lead is allowed to be present in copper as an alloy dopant element, and the weight can not exceed 4%; in steel, the weight can not exceed 0.35%; in aluminum, the weight should not exceed 0.4%. 
Lead is allowed to exist in the glass of the electronic component. 
Lead is allowed to exist in electronic ceramic parts (piezoelectric ceramics) 
Lead is allowed to be used in high melt temperature welding (eg tin lead solder alloy with more than 85% lead).

Chip-type process

Axial process

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