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2K Etching Primer

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 Etching Primer

Product Numbers: BF9910

Standard packaging: 5KG/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

BF9910 2K Etching Primer

:

BF7740 4:1 Epoxy Primer Hardener

:

BF6660 Epoxy Primer Thinner

4

:

1

:

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 25-45μm.

2. Flash dry for 10-15min

Bake at 70-80°C for 60min

Air dry at 25°C for 24h

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

Things to note

1. The primer should not be excessively thick, or it might slow down the drying process or reduce the adhesion between the coating layers.

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

3. Do not apply if the temperature is 5°C.

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

1000-2000

GB/ 9751

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

≤60min

Hardness, pencil hardness tester

≥H

GB/T 6739

Adhesion, Grid method, Grade

≤1

GB/T 9286

Flexibility,mm

1

GB/T 1731

Impact strength,cm

50

GB/T 1732

Grindability(20 times)

Easy sanding, non-stick sandpaper

GB/T 1770

Compatibility with putty

Good adhesion between layers

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 (240h),

Series B (168h), 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.


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Contact: Miss Doris

Phone: 001-5103259832

Tel: (510)3259832

Email: doris@pj.com.cn

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

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