Serial Number

Item

Index

Test Method

1.1

State in Container

Evenly dispersed, no sedimentation or clumping.

Visual Inspection

1.2

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

80~130

GB/T1723-1993 Method B

1.3

Original paint fineness, μm

≤25

GB/T1723-1979

1.4

Non-volatile content,

% (105±2)℃/2h/approx. 2g

≥60

GB/T1725-2007

1.5

Storage stability (5~30℃) for 1 year

No abnormal changes.

GB6753.3-1986

Serial Number

Item

Index

2.1

Paint film baking conditions

70-80℃×30min

2.2

Matching curing agent

G-01 primer curing agent

2.3

Mixing ratio

Main paint: Curing agent = 10:1

2.4

Thinner

BSX-14

2.5

Dilution rate, 13~18s (4 cup)

Thinner addition amount is 30%~100%

2.6

Leveling time, min

>5

Serial Number

Item

Index

Test Method

3.1

Film color and appearance

Meets standard board color difference range, smooth and flat.

Visual Inspection

3.2

Flexibility, mm

<=1

GB/T1731-1993

3.3

Scratch test, grade

<=1

GB9286-1998

3.4

Pencil hardness (scratch)

>=%HB

GB6739-2006

3.5

Impact resistance, cm

<=50

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 of grade 1.

GB/T1733-1993 Method A