Technical Data Sheet

METACOAT-47

Back

MULTICATIONIC IMMERSION PHOSPHATING CHEMICAL

PRODUCT DESCRIPTION

METACOAT - 47 is a nitrate-nitrite immersion type Tricationic Phosphating Chemical for use on Mild Steel, Zinc and Electrogalvanised Steel components, METACOAT - 47 treatment is ideally suitable prior to conventional stoving primer, powder paints and cathodic / anodic electroprimer, METACOAT - 47 produces microcrystalline mixed metal phosphate with high corrosion resistance properties. The phosphate coating weight ranges from 2.0 - 4.0 gm/sq. metre.
INITIAL BATH MAKE-UP
Add the following for each 1000 Ltrs bath volume:

METACOAT - 47 .........................................30 - 50 Ltrs.

SODA ASH ..................................................1.0 - 3.0 Kgs.

25% TONER SOLUTION ............................1.0 - 2.0 Ltrs.

OPERATING PARAMETERS
TOTAL ACID (TA) .......................................20 - 25 mls.

FREE ACID (FA) .........................................2.8 - 3.8 mls.

TONER TITRATION ....................................1.5 - 3.0 mls.

PROCESSING TIME ..................................3.0 - 5.0 min.

PROCESSING TEMPERATURE .............40 - 550 C.

 
DEGREASING DERUSTING PHOSPHATING ANODISING ALOCHROMING PASSIVATION ELECTROPLATING OTHERS HOME

Maintained By RS INFOTECH , Ph 91 033 662 2885 , E_mail educator@vsnl.com Last Updated Sep'2000