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Posts about trivalent chromium plating technology

Posted by CÔNG TY CỔ PHẦN VẬT LIỆU CÔNG NGHỆ SÁNG TẠO at 06/09/2021

As one of the pioneers in the field of transferring environmentally friendly valence chromium (III) plating technology to replace the toxic Cr (VI) plating technology. Metatech Materials Technology Joint Stock Company is pleased to introduce TriCOL Décor products manufactured by Columbia - USA.

The TriCOL Décor product set has outstanding advantages compared to the current Chromium(VI) plating technology as follows:

Content

Cr 6+

Cr 3+

Metal concentration in the tank

200-300 g/l

20-23 g/l

Current Density (A/dm2)

Approx: 10-30

            Optimal: 15-20

Approx: 8.5-16

               Optimal: 10

Operating temperature

38-450C

28-330C

Plating speed at 10A/dm2

0.1-0.2 µm/ min

0.15 – 0.25 µm/ min

Covering Power

Poor

Good
There have been experimental studies proving

Throwing Power

Poor

Good

Current Interruptions

No

Yes

Burning

Easy to Burned

Hard to burn

Odor

Danger to the operator

Less dangerous for the operator

Destroy factory equipment

Strong

Weak

Wastewater treatment fee

high

Low

QAV assessment

meet RoHS Standards

does not meet RoHS Standards.

Pictures of automatic plating line for customers transferred by Metatech in April 2020:

Pictures of some Chrome (III) plated products:

 

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