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2K Intermediate Coat

A two-component pure epoxy primer
Excellent adhesion to General substrates
Excellent anti-corrosion for various metal substrates and glass fiber reinforced plastics.
A good protective coating for various vehicles, machinery and equipment

Product Description:

Product name: 2K Intermediate Coat

Product Numbers: BF9920

Standard packaging: 4KG/20KG


Product Features:

A two-component pure epoxy primer

Excellent adhesion to General substrates

Excellent anti-corrosion for various metal substrates and glass fiber reinforced plastics.

A good protective coating for various vehicles, machinery and equipment.


Complementary products and mix ratio

BF9920 2K intermediate coat

4

BF7750 4:1 2K middle coat /primer curing agent

1

BF6660 Epoxy Primer Thinner

1.8±20%


Instructions:

① Mix thoroughly according to the proportion before use, adjust the mixture’s viscosity to 16-18 seconds/4 cups, spray 2 times at 25°C, with the film thickness reaching 35-55μm.

②Flash dry for 10-15min

Bake at 70-80°C for 45min

Air dry at 25°C for 24h

③After being mixed, the paint should be stored at 25°C and used within 6 hours.


Things to note:

①The primer should not be excessively thick each time. Let the layer dry for 5-10 minutes before applying the next layer.

②Use the complementary curing agent and thinner to achieve the desire results.

③The paint layer must be completely dried before sanding, or it may stick to the sandpaper or produce sand marks.


Technical indicators

Inspection items

Technical indicators

Inspection method

Material Status in Containers

Easy to stir evenly without foreign matter

GB/T 3186

Fineness, μm

≤25

GB/T 1724

Viscosity, 25°C,CPS

≥80

GB/T 1725

Solids content (120°C, 2h)%

≥60

GB/T 1725

Storage Stability, Grade

Precipitability ≥ 8 grade and crusting ≥ 10 grade

GB/T 6753.3

Viscosity, Coated - 4 cup, 25°C, s

16-18

GB/T 1723

Dryness

Surface trunk , 25°C

≤30min

GB/T 1728

Hard work, 25°C

≤24h

Drying, 70-80°C

≤45min

Hardness, pencil hardness tester

≥H

GB/T 6739

Adhesion, Grid method, Grade

≤1

GB/T 9286

Compatibility with silver powder paint and vamish

Good adhesion between layers

Flexibility,mm

1

GB/T 1731

Impact strength,cm

50

GB./T 1732

Grindability(20 times)

Easy sanding, non-stick sandpaper

GB/T 1770

Waterproof,240h

Non-foaming, non-wrinkling, non-falling

GB/T 5209

Nitrogen resistance

No biting, no bleeding

GB/T 13493.4.18

Damp heat resistance(120h),Grade

≤1

GB/T 1740

Acid resistance(0.05mol/1 H2SO4),24h

No foaming, no peeling, slight discoloration allowed

GB/T 9274

Alkali resistance (0.1 mol/1 Na0H),24h

No foaming, no peeling, slight discoloration allowed

GB/T 9274

Salt Spray Resistance Series A (120h),

Series B (72h), Grade

≤1

GB/T 1771


Storage:

The product shelf life is 1 year at 25°C. Expired products can be used if tested, at your own risk.



Inquiry:

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CONTACT US

Contact: Doris Tan

Phone: 001-510-3259832

Tel: 86-750-3657002

Email: jmpj@jmcoating.com

Add: No.18, Duruan North 2nd Road, Jiangmen , Guangdong

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