$71.00
1150 Pieces (MOQ)
Manufactory Supply Refrigerant Gas R407c
Foshan Liangyou Environmental Protection Chemicals Co., Ltd.
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Kerun Steel Blackening Agent Pr520A
| Price | $850.00 |
|---|---|
| Min Order | 4 Drum |
| Availability | In Stock |
| Shipping From | Jiangsu, China |
| Popularity | 481 people viewed |
Model NO.:
PR520A
CAS No.:
7732-18-5
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 PR520A 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. PR520A has good blackening effect and is easy for oiling, and its anti rust performance is excellent.
Product Features:
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 PR520A 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. PR520A has good blackening effect and is easy for oiling, and its anti rust performance is excellent.
Product Features:
1.The blackening film is dark matt black, easy for oiling afterwards.
2.The blackening film is hardened quickly, not sticky, and no scratches and spots.
3.High temperature resistance and strong aging resistance.
4.Safe and eco-friendly, non-toxic and non-volatile.
Product Parameter:| Item | KERUN PR 520A | Standard | |
| Appearance | Black liquid | Visual | |
| Density (20ºC), g/ml | 1.02~ 1.07 | GB/T 4472 | |
| pH value | 8.0 ~ 9.5 | GB/T 9724 | |
| Corrosion resistance | 3%CuSO4 dipping | qualified | GB/T 15519 |
| 5% oxalate dipping | qualified | ||
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