te-253 high corrosion resistant yellow trivalent chromating passivation
2017-12-14
code：te-253
name：te-253 high corrosion resistant yellow trivalent chromating passivation
1.exhibits strong corrosion resistance, the deposits not sealed can last 120 hours by barrel plating and can last 200-300 hours by rack plating in astm b-117 neutral salt spraying without white rusts.
2. produces clean, bright and slightly iridescent yellow film, which is not easy to be hazy.
3. environment friendly products, adapt for acid zinc, alkaline zinc and cyanide zinc plating. particularly for alkaline cyanide-free zinc plating.
4. the corrosion resistance and appearance keep the same after heat treatment.
5. single for make-up, easy operation and maintenance, long lasting and low costs.
make up:te-253 yellow chromating agent: 60-120ml/l.
consumption: te-253 yellow chromating agent: 1.5-2.5l/10000dm2（weight:1 ton）.
