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Pickling Passivatin Agent for Stainless Steel(One-step Cleaning)

Form:
Release:
2007-10-21
By:
Tel:
+86550-7961425
Email:
qqhg@qqhg.com
Message:
Introduce:

Adopting high-stable materia, it's white, stable agent with indissolubility, nondeposition, nonsulphide, chlorine-ion control; remove black residue/oxidation in welded seam of stainless steel,no corrosion on metal. ???9

1   Feature and Purpose: ???9

    Widely applied for ship, petrochemical, pharmacy, papermaking, foods,??-?? pressure vessel, remove brown oxidation after welding, impact, collision, high-temperature treatment; form a layer of compact & entire passivation film with pickling and passivation.

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    simple operation, convenient construction, time & labor saving; smooth surface,strong stability, obvious anticorrosion, long life, additional-value increasing on products.

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2   Using Method: ???1

1.Before usage,clean welded residue or oil dirt,coating in surface and welded seam with passivation agent(1—2mm on coating thickness). Keep 1-3 hours in room temperature; when welded cleaning, brush it with stainless steel wire.Generally scrub away with cotton yarn once on surface and welded seam, then wash it with water to guarantee cleaned surface.

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2??2mm coating on oxidation surface from hear-pressure or heat-treatment workpiece; after 5-10 hours, brush once with steel wire, scrub away with cotton waste or cotton yarn, wash it with water to guarantee cleaned surface. ???3

3   Effect: ???8

1 Even beautiful appearance,silvery white surface

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2 Safe crystal-corrosion resistance for welded joint..

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3 Improve anticorrosion for stainless steel, sevral-hundred millivolt than untreated state on breaking electric potential

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4 Technical Index

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Item ???4

Unit ???2

Index ???8

Acidity

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Mol/kg

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5-8.5 ???6

Chlorine-ion Content ???2

PPM/kg

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25

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Pickling Effect ???8

( Coating Thickness 1-2mm??50min )

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silver white, rustless spot

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inherent quality for stainless steel
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electric potential for passivation film ( Eb ) ( Eb ) ???4

MV/SCE

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+492

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5   Notice:

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Better outdoors or ventilated room ???1

2  Wearing protective appliance for pickling operation, strictly prohibit skin contact with pickling passivation agent, immediately wash it with water.

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Anticorrosive stainless steel or plastic products for container and tool through pickling and passivation; not contact with carbon steel for welded parts of stainless steel and using tools.

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Assign special staff for strict storage,far from heat source, treat residue and waste water on time to prevent environmental pollution with lime milk and calcium carbide.

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5  Avoid to operation in burning sun to affect passivation effect. ???4

6   Transport, Storage, Package ???2

Package: plastic barrel ( 40kg/barrel, 20kg/barrel )

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2    Storage: Lightly take up or put down not to heavy extrusion, strore in dry ventilated environment.

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3 Quality Term: 2 years from outgoing date

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7  Product Type for Stainless Steel:

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304, 305, 306, 308, 309, 310, 316, 317, 318, 320, 329, 2253

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, 321, 347, 384, 385, XM7, 631, 661, 670, 671, 680, 685, 690. ???6

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