Kerun Steel Blackening Agent Pr506

• CAS No.: None
• Formula: None
• EINECS: None
• Environmental Protection: Yes
• Color: Black
• Appearance: Liquid
• Model NO.: PR506
• Usage: Machinery
• Transport Package: Drum
• Specification: 20KG
• Trademark: KERUN
• 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 PR506 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. PR506 has good blackening effect and is easy for oiling, and its anti rust performance is excellent.

Product Features:

• The blackening film is dark matt black, easy for oiling afterwards.
• The blackening film is hardened quickly, not sticky, and no scratches and spots.
• High temperature resistance and strong aging resistance.
• Safe and eco-friendly, non-toxic and non-volatile

Product Parameter:

Item		PURUN PR 506	Standard
Appearance		Black liquid	Visual
Density (20ºC), g/ml		1.02~ 1.07	GB/T 4472
pH value		8.0 ~ 9.0	GB/T 9724
Corrosion resistance	3%CuSO4 dipping	qualified	GB/T 15519
	5% oxalate dipping