Our core competencies are Good delivery time, better quality, and
Order will be consistency with the sample. the majority of customers
Get benefit from sell our items.

the STRONG product is Metal Surface treatment, Chemical auxiliaries, 
and Antifreeze coolant. We supply to Australia, Indonesia, India, Philippine,Pakistan, Myanmar, Mongolia, Kenya, and Paraguay.

 

High Temperature blackening agent

Application

1.     Environmental, Energy saving, efficiency, color is good and high glossiness;

2.     It can be used on carbon steel, alloy steel, powder metallurgy, and other mechanical parts;

3.     It is widely used in standard parts, bolt and nut, chains, springs, Railway equipment.

Features

1.     It can be mixed with water, environmental and safe;

2.     Ancillary used with heat treatment furnace production line, High-efficiency and save energy;

3.     It has glossy, corrosion resistance and high anti rust property;

4.     It doesn't have the waste water, waste gas and waste residue, also Improve the environment;

5.     No hydrogen embrittlement.

Specification

Item	Index	Item	Index
Appearance	Viscous liquid	Odor	Odorless
Density	>1.0	Flammability	Non-combustible don't burst
PH	Neutral	Toxicity	Non-toxic

Technical Process

Quenching tank—Rinsing—Tempering furnace(150℃—500℃)—Blackening—Drying—Leaching rust-proof oil

Using method

A: (High Temperature)

1.     the item should be mixed with water as 1:5-10;

2.     Put the parts without rust into the blackening liquid heated the Temperature from 150℃to 500℃; It Also can be used below 100℃, the lower temperature, the little proportion of water, Until used under normal temperature.

3.     Drying the metal parts;

4.     for small parts the working fluid need above 40℃;

5.     Adding the blackening agent according to production.