48048. Can't get mirror finish on hard chrome for dies used in manufacture of toys [India]

48048

Can't get mirror finish on hard chrome for dies used in manufacture of toys [India]

March 5, 2008

We doing hard chrome on dies used for manufacturing of toys. We are presently using HENE chrome salt and HENE Addivtes 1 and 2. We want mirror finish but like in silver plating. We are unable to get that finish. Kindly give some solution for our problem.

Iftakhar Ahmed
Job Worker - New Delhi

First of two simultaneous responses -- March 6, 2008

There is a proper current density for any given temperature of the solution to get bright work.

For a mirror finish, it has to start out with a mirror finish.

Many mold makers do a series of diamond polish after chrome to get the desired micro finish. Labor intensive!

James Watts
- FL

Second of two simultaneous responses -- March 7, 2008

Hi,

Use HENE L 600 Process.
Thanks and Regards

Praveen Kumar
plating process supplier
Mumbai, India

Ed. note: Can someone who is familiar with that brand name please bring this discussion back to technical and generic language please. Thanks.