concentration(%)

temperature(℃)

Time (min)(Min)

931

0.6-1

Normal temperature-30

1-2

Impregnated, chromate coating, good corrosion resistance

932

5-6

Normal temperature-30

1-2

Spray type, chromate coating, good corrosion resistance, immersion method is also acceptable

936A

2-4

Normal temperature-30

1-1.5

Impregnated, chromate golden yellow film with good corrosion resistance

936AB

2-4

Normal temperature-50

1-1.5

Impregnated, chromate golden yellow film with good corrosion resistance

936B

1-2

Normal temperature-30

1-1.5

Impregnation type, 936A accelerator

940

1-2

Normal temperature

0.5-2

Spray-impregnated, colorless chromate film with good adhesion

951

2

50-80

3-10

Non-chromatic gray film with good adhesion

951B

1

50-80

3-10

Non-chromatic gray film, good adhesion, 915A

954

12-4

40-60

1-4

Non-chromate type, good adhesion, immersion type

 956

 2-5

Normal temperature-40

 1.5-5

Environment-friendly phosphorus-free nano ceramic coating agent

957

2-4

40-60

1-4

Non-chromate type, good adhesion, immersion type

957K

2-4

40-60

1-4

Non-chromate type, good adhesion

958

3-6

Normal temperature-50

2-5

Chromate, blue-green film, good adhesion

959

4-5

Normal temperature

3-5

Non-chromate type, blue-green film, good adhesion

960

3-5

Normal temperature

2-5

Nano ceramic environmental protection film

2050

3-5

Normal temperature

1-3

Trivalent chromium coating agent