Chinese wholesale Spray Undercoating - Black Dacromet Coating Paint Top Coat JH-9321 – Junhe

Payment & Shipping Terms:
Minimum Order Quantity: 100 Kilograms
Price: Negotiable
Packaging Details:30kg/ plastic barrel
Delivery Time: Ten days after receipt of advance payment
Supply Ability: 2 Tons per Day

Color: Black
PH: 8.0-9.0
Viscosity: ≥50s
Thickness Of Dry Film: 10-20 (micron)
Hardness: ≥1
Adhesion(degree): ≤1

Description

1) The main ingredient is water-base inorganic silica , mixed with corrosion protection assistant.
2) The product cost is low.
3) The coating layer is smooth, weak acid and alkali resistant.

Technical Data:

Instructions and attention:
1. Dip coating, Spray coating etc;
2. It should be stirred fully befor usage; distilled water or deionized water can be used to adjust viscosity; Operating viscosity: 30-60s.
3. When the environment humidity higher than 85%,can add certain industrial alcohol to adjust viscosity;
4. Curing condition: 80℃/10min+140℃/30min;
5. Cleaning appliance: running water can be used;
6. Avoid acid substances, or polymerization and deterioration will happen;
7. This product can be used alone, the coated surface request oil free, dust free and dry, the better make pre-treatment of degreasing, derusting, and phosphating.

Processing method:
A 1 base-coat+ 1 Top coat
B 2 base-coat+ 1 Top coat (heavy corrosion protection)
Professional Electroplated Zinc Coating , Black Dacromet Plating Alkali Resistant

Process Parameter:
Dip Coating Temperature RT
Operateing Viscosity 45-60 S
Centrifuge 210~270 RPM/min 10s X 4-8 times
( Centrifuge device can not be mix used with spin dyrer )
Spray Coating Temperature RT
Operateing Viscosity 30~40 S
Curing: 80℃ 10min + 140℃ 20—30min
Corrosion protection of b process flow
Corrosion resistance: ≥1500h (NSS)
Sea water resistance: 25℃≥1500h

Technical Data