Welcome to Well-Tech - one of the leading manufacturers and suppliers of PCB products in China. Our factory is engaged in PCB manufacturing and offering customized 2 layer to 20 layer fr4 hasl pcb with 94v0 and ul certification at competitive price. High reliability, strong diversity and expert advice are our characteristics. Please contact us if you have inquiry.

Products description:

HAL tin lead: The deposition thickness is irregular, 1µm to 10µm. Not suitable for dense feet IC and BGA soldering, because it’s lack of flatness and uniformity. The advantage is their long storage (24 months) and the lower cost.

Products specification:

Layers: 6

Material /Laminate: FR4 TG140

Board thickness: 1.2mm

Copper weight: 1/1/1/1/1/1oz

Finishing: HASL

The affect of surface treatment on soldering as below,