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Chrome Free Water Based Zinc Flake Coating Salt Fog Time 480 Hours PH ( 20℃ ) 5.0-8.0

Changzhou Junhe Technology Stock Co.,Ltd
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Changzhou Junhe Technology Stock Co.,Ltd
City: Changzhou
Province/State: Jiangsu
Country/Region: China
Tel: 86-519-85922787
Contact Person:
Mrs June

Chrome Free Water Based Zinc Flake Coating Salt Fog Time 480 Hours PH ( 20℃ ) 5.0-8.0

Brand Name : JUNHE
Model Number : JH-9310
Certification : ISO9001 SGS
Place of Origin : Changzhou in china
MOQ : 100 Kiloamperes
Price : Negotiable
Payment Terms : L/C, T/T
Supply Ability : 2 Ton/Tons per Day
Delivery Time : Ten days after receipt of advance payment
Packaging Details : Pack A:20kg/ Metal Barrel Pack B:20KG Plastic Barrel Pack C:Based on the amount of B agent A
Color : Silver
Coating method : Dip-spin & Spraying
PH(20℃) : 5.0-8.0
Specific gravity : 1.30-1.40 (spray coating)
Viscosity : According to operating demand.
Operating temperature : 22±2℃
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Chrome free water based zinc flake coating Salt fog time 480 hours PH ( 20℃ ) 5.0-8.0
Product Description

JH-9310 is made up of three packs: A,B and C;
Pack A: It is silver gray slurry that mainly chemically combined with super fine flake Zn, super fine flake Al and organic additive.
Pack B: It is water solution that mainly combined with corrosion protecion additive, particular regulator water solution etc.
Pack C: It is the tackifier of the coating which mainly made up of cellulose white or yellowish powder.

Performance Charcteristic:

Chrome free , film is silver grey to silver white, better corrosion protection performance.

Coating Process:

1. Mix Ratio
Pack A: Pack B: Pack C=1:1: X(according to different viscosity demand )

2. Before Mixture, Keep weighted A&B into the water bath at 25±2℃ , then stir A to make metal slurry disperse uniformly by frequency mixer ,after A is fully evenly dispersed, reduce the agitating speed to 60r/min, and add B.

3. Add B to the stirring A slowly.

4. Stir the mixture about 1~2 hours after B added, then add C. C should be powdered if lump exist.(The barrel temperature should not be lower than 20℃, otherwise C will not be dissolved sufficiently .)Then stir 12 hours alowly and continuously.

5. The coating should be filtrated by 80-100 mesh stainless steel screen before pouring into dip barrel.

6. Temperature control device should be equipped with dip barrel to keep the temperature of coating at 22±2℃.(If temp. is too high, the paint is liable to deteriorate, and viscosity will be effected.) The coating should be stirred circularly to keep evenly dispersed.

7. Test Specific gravity,PH,Temperature,Viscosity of coating every 8 hours if operate continuously.

Technical data:

No.ItemData
1ColorSilver
2Coating methodDip Spin & Spraying
3PH(20℃)5.0-8.0
4Specific gravity(20℃)1.30-1.40 (spray coating)
5ViscosityAccording to operating demand.
6Operating temperature22±2℃



Mix Diagram:




Coating Process:




Attentions:

1. Other chemicals such as any kinds of acid, alkali salt can not be mixed into coating, for these can activate Zn & Al plate to aging the coating.

2. Avoid irradiation of sunshine and ultraviolet ray for long time when operating, otherwise it will accelerate aging or polymerization of the coating .

3. It is very important to control the temperature of coating. If the temperature of coating changes when operating, it will effect the viscosity, then effec the coating quatity on workpiece. So the relations among temperature,viscosity and spinning process shoud be controlled well when coating.

4. The viscosity will be different if coating method is different. Choose low data if spray coating,and choose high data if dip spin coating.





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