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CIPDB › China Industry › Chemicals › Specialized Preparation

Kerun Steel Blackening Agent Pr508¹

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Specialized Preparation Blackening Agent Waste Heat Blackening Agent

NANJING KERUN LUBRICANTS CO., LTD.

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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 PR508 is a matt and weak base blackening agent. It is suitable for blackening of steel and metal parts after medium temperature tempering. It is non-toxic and eco-friendly, good blackening effect, easy for oiling, and its anti rust performance is excellent.Product FeaturesWorkpiece surface in dark black, very excellent effect. Suitable for mesh belt furnace, not sticky, and no scratches and spots.Long hours against salt spray test.Safe and eco-friendly, non-toxic and non-volatile.Product Parameter:ItemPURUN PR 508StandardAppearanceBlack liquidVisualDensity1.02~ 1.08GB/T 21784.2pH value8.0 ~ 9.0GB/T 9724Corrosion resistance3%CuSO4 dippingqualifiedGB/T 155195% oxalate dippingqualified

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Specialized Preparation: Kerun Steel Blackening Agent Pr508

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