Color-coated metal sheet rust inhibitor MC-P5150

The rust inhibitor applied to dipping, spray and roller coating

Contain hexavalent chromium and can increase anti corrosion of Galvanized sheet and alloy galvanized sheet

  • Brand:

    sinograce
  • Item NO. :

    MC-P5150
  • Payment:

    L/C、D/A、D/P、T/T、MoneyGram、Paypal Other.
  • Product Origin:

    China Anhui
  • Color:

    Greenyellow transparent liquid
  • Shipping Port:

    Shanghai And Other Ports
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Product Detail

Feature

The rust inhibitor applied to dipping, spray and roller coating

Contain hexavalent chromium and can increase anti corrosion of Galvanized sheet and alloy galvanized sheet


Application process


  • Appearance: Greenyellow transparent liquid
  • Density: 1.14±0.03 g/cm3
  • Recommended concentration: 5-15%
  • Solution Temperature: 20~40℃
  • Chromic acid value: 11.5±1.5
  • Dry temperature: 50~80℃


Adding 50~150L MC-P5150 and 850~950L deionized water or soft water into 1000L tank. The chromic acid value is 10.4~31.3 in the aqueous. 

Chromic acid value test method: Firstly, add 10ml aqueous into an Erlenmeyer flask. Then add 50ml DI water and 20ml 50% H2SO4 aqueous. Add 1~2g KI follow. Using 0.1mol/L Na2S2O3 standard solution to titrate it. While the solution changes from reddish brown to yellowish-brown, add 2ml starch solution. The solution turns into dark blue. Then continue to use 0.1mol/L Na2S2O3 standard solution to titrate till dark blue disappears. The consumption volume of 0.1mol/L Na2S2O3 standard solution is the chromic acid value

Supplement: Add 4.7L (5.3KG) MC-P5150 into 1000L solution while the chromic acid value decreases by 1.


Technical process

① Cleaning---②Water wash---③Water wash---④Air dry---⑤MC-P5150 dipping ---⑥Dry


Application

-Galvanized sheet and alloy galvanized sheet or other metal material surface


Storage and handling

Available in 200 kg/ barrel or 25 kg/ barrel

Storage period: 6-12 months in closed containers, shady and dry place


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      Color-coated metal sheet rust inhibitor MC-P5150
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