Serial number

Item

Index

Test method

1.1

Original paint state

No foreign matter, no hard sediment

Visual inspection

1.2

Fineness, μm ≤

25

GB/T1724-2019

1.3

Solid content %, ≥

40

GB/T1725-2007

1.4

Shelf life, months

6

GB6753.3-1986

Serial number

[Item]

Index

Dilution rate %

Flow hanging limit μm ≥

Diluent

Typical dry film thickness

Coating method

Spraying environment

Drying

Air drying

Film color and appearance

Gloss at 60° ≥

Hardness (dry film ≤30 microns)

Flexibility mm ≤

Impact resistance Kg·cm ≥

Gloss (60°) %

Adhesion (cross-cut method), grade ≤

Water resistance

Diesel resistance h ≥

VOC content g/L ≤

2.7

drying

Bake at 80°C for 30 min

2.8

Self-drying

25±2°C 24h

Serial number

Item

Index

Test method

3.1

Paint film color and appearance

In line with the standard model, flat and smooth

GB/T1729-79

3.2

Gloss 60°≥

negotiate

GB/9754-2007

3.3

Hardness (dry film ≤ 30 microns)

80℃/30min,≥HB 
After seven days of maintenance，≥H

GB/T6739-2022

3.4

Flexibility, mm ≤

1

GB/T1731-2020

3.5

Impact-resistant Kg ·cm, ≥

50

GB/T1732-2020

3.6

Gloss(60°)%

negotiate

GB/T1743-79

3.7

Adhesion (grid method), grade ≤

1

GB/T 1720-79

3.8

Water Resistance

Immersed in distilled water for 120h, no foaming, no falling off

GB/T1733-1993

3.9

Diesel resistance H≥

48

GB/T9274-1988

3.10

耐汽油性(200#溶剂油)h≥

24

GB/T30648.1-2014

3.11

Salt spray resistance

240h, scratch rust width≤2mm, no blistering, no rust

GB/T1771-2007

3.12

VOC content g/L ≤

300

GB30981-2020