Kerun Steel Blackening Agent Pr520b

Price $440.00 Compare
Min Order 4 Drum
Availability In Stock
Shipping From Jiangsu, China
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NANJING KERUN LUBRICANTS CO., LTD.

VIP   Audited Supplier 6 years
Profile Certified by SGS/BV
PR520B
1333-86-4
None
None
Yes
Black
Liquid
Machinery
KERUN
Drum
200KG
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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