Mechanical Zinc & Hot Dip Galvanizing

No. of Pcs Checked - 6    Visual Check - OK
Zinc Plating Film Thickness
JS500 - 0.47 mils (Avg)
Mech - 1.25 mils (Avg)
HDG - 1.00 mils (Avg)

Astm B-117

Test Period

RESULTS:

White rust on Mech & HDG in less than 24 hours.
White rust on JS500 after 168 hours.
Red rust on Mech after 432 hours.
Red rust on HDG after 456 hours.
Parts tested to 1000 hours. JS500 showed NO SIGNS OF RED RUST.

Tests were run and recorded by Jai Balkssoonsingh C.Q.E.
11/18/1992

White rust on Mech & HDG in less than 24 hours.
White rust on JS500 after 240 hours.
Red rust on HDG after 648 hours.
Red rust on Mech after 696 hours (1 of 2 Samples).
Red Rust on Mech after 912 on both samples.
No red rust on JS500 after 1200 hrs

Tests were run and recorded by Jai Balkssoonsingh C.Q.E.
11/18/1992