Brief Introduction

JH-8368 can shorten phosphating time,improve phosphating quality,remove minor rust on surface,deduce production cost,prolong service life.

Preparation of tank liquid

Add three-quarters of cold water into working tank, add 2-4kg JH-8368 surface conditioning agent.

control parameter

Total alkali       1~2

PH             7.5~9.5

Temperature    Room temperature

Processing time   60-120min

Preparation of tank liquid

Replenished on a regular basis, completely replace the tank liquid every 30 days

test method

Total alkali

1) pipette take 10 ml liquid into the Erlenmeyer flask

2) drops 3 to 4 drops of bromophenol blue indicator;

3) while swinging with 0.1N sodium hydroxide to color from yellow to blue;

4) the number of 0.1N sodium hydroxide used is free acidity.

Attention

Wear protective glasses, rubber gloves and wear protective clothing during processing.

Avoid direct contact with eyes,skin,clothing and equipment.

Get medical attention if accident happen.

packing

25kg/bag

guarantee period

One year

wastewater treatment

Tank liquid is weak alkaline ,and contain phosphate,sewage may be required to neutralize or waste water treatment.