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Kerun Steel Blackening Agent Pr520b

Price $440.00
Min Order 4 Drum
Availability In Stock
Shipping From Jiangsu, China
Popularity 273 people viewed
Model NO.:
PR520B
CAS No.:
1333-86-4
Formula:
None
EINECS:
None
Environmental Protection:
Yes
Color:
Black
Appearance:
Liquid
Usage:
Machinery
Trademark:
KERUN
Transport Package:
Drum
Specification:
200KG
Origin:
Nanjing, Jiangsu
Product Description
Product introduction:
Blackening agent is made up of many kinds of organic antirust agent, organic colorant, emulsified dispersant and anti rust agent through a number of processes. The surface of steel workpieces is blackened by deposition of film by thermal condensation, which plays the role of rust prevention and protection.PURUN PR520B is a matt black water soluble and weak blackening agent. It is suitable for blackening of steel metal parts after medium temperature tempering. It is non-toxic and eco-friendly. PR520B has good blackening effect and is easy for oiling, and its anti rust performance is excellent.

Product Features:
1.The blackening film is smooth and dark with good appearance. 
2.High temperature resistance and strong aging resistance.
3.Safe and eco-friendly, non-toxic and non-volatile.

Product Parameter:
ItemKERUN PR 520BStandard
AppearanceBlack liquidVisual
Density (20ºC), g/ml1.02~ 1.07GB/T 4472
pH value8.0 ~ 9.5GB/T 9724
Corrosion resistance3%CuSO4 dippingqualifiedGB/T 15519
5% oxalate dippingqualified

Shelf life
Products that have passed the factory inspection should be used within a year. If they are not used within this period, they can only be used after passing a re-inspection.

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