Serial Number

Item

Index

Test Method

1.1

State in Container

Evenly dispersed, no sediment or clumping

Visual Inspection

1.2

Original paint viscosity, S (4 cup/20℃)

(40~100)

(GB/T1723-1993 Method B)

1.3

Original paint fineness, μm

(≤25)

GB/T1723-1979

1.4

(1.4) Non-volatile content, %

(105±2) ℃/2h/approx.2g

(≥55)

GB/T1725-2007

1.5

Storage stability (5~30°C) 1 year

No abnormal changes

GB 6753.3-1986

Serial Number

Item

Index

2.1

Varnish baking conditions

140℃×30min

2.2

Paint film sagging, μm

≥50μm

2.3

漆膜过烘烤性(160℃×40min)

THE CHROMATIC DIFFERENCE VALUE ≤2NBS, THE ADHESION DOES NOT DECREASE, AND IT IS GRADE 1

2.4

Electrostatic workability

Suitable for electrostatic spraying

Spray resistors

0.2~2.0MΩ ·m

Spray voltage

60~90KV

2.5

diluent

BAX-02

2.6

稀释率，18~28s(涂-4杯)

The amount of diluent added is 15%~35%

2.7

Leveling time, min

>10

Serial Number

Item

Index

Test Method

3.1

Paint film color and appearance

In line with the standard board color difference range, flat and smooth

Visual Inspection

3.2

Flexibility , mm

≤1

GB/T1731-1993

3.3

Scratch test, grade

≤1

GB9286-1998

3.4

Pencil hardness (scratch)

≥H

GB6739-2006

3.5

Impact resistance, cm

≥50

GB/T1732-1993

3.6

Cupping test, mm

≥5

GB/T9753-2007

3.7

Glossiness (60°), unit value

≥30

GB9754-2007

3.8

Water Resistance

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

Non-blistering, allows slight discoloration and loss of light, adhesion level 1

GB/T1733-1993  

3.9

Neutral salt spray resistance test (scribing), 720h

The one-way rust at the marking area is ≤3mm, and the unmarked area does not rust, blister, or fall off

GB/T1771-2007