Serial Number

Project

Index

Test Method

1.1

State in Container

Viscous liquid, easy to stir, no obvious sediment.

Eye Measurement

1.2

Non-volatile content,

%(105±2)℃/2h/approximately 2g

≥50

GB/T1725-2007

1.3

Storage Stability (5-30℃) for 1 year

No obvious changes.

GB6753.3-1986

Serial Number

Project

Index

2.1

Paint Film Baking Conditions

70-80℃×30min or air-dry

2.2

Matching Curing Agent

Epoxy curing agent

2.3

Paint Mixing Ratio

Base paint: Curing agent = 10:1

2.4

Thinner

Special thinner

2.5

Dilution Rate, 20~30s (涂-4杯)

Thinner addition amount is 10%~30%

2.6

Leveling Time, min

>10

Serial Number

Project

Index

Test Method

3.1

Film Color and Appearance

Smooth and flat.

Eye Measurement

3.2

Flexibility, mm

<=1

GB/T1731-1993

3.3

Scratch Test, Grade

<=1

GB9286-1998

3.4

Pencil Hardness (scratched)

≥HB

GB6739-2006

3.5

Impact Resistance, cm

≥40

GB/T1732-1993

3.6

Water Resistance

(Immersion in distilled water at 40±2℃ for 240h)

No bubbling, slight discoloration and loss of gloss allowed, adhesion level grade 1.

GB/T1733-1993 Method A

3.7

Alkali Resistance

(Immersion in a solution of NaOH for 24h)

No bubbling, no wrinkling, slight discoloration and loss of gloss allowed, adhesion level grade 1.

GB/T9274-1988 Method A

3.8

(Neutral Salt Spray Test (scratched), ≥800h)

(Rust at scratched area ≤2mm; non-scratched area does not rust, bubble or peel off.)

GB/T1771-2007