Recommendations:
NOELSON™SFPP-800M , “Jia Xinbao’P-1083/1085”, MF-656R and NOELSON™ iron oxide;

Start formulation:
2K inorganic zinc silicate primer:

Part A
Hydrolysates of ethyl silicate	25
Diatomaceous earth	1.9
Anti-settling agents	3.1	CLAYTONE HY/HT NOELSON Chem
Part B
Zinc dust	52.5-20	Switching dosage depend on cost requirements
Ferro-phosphorous Powder	17.5-50	NOELSON™SFPP-800M，You can also replace full or in part of “Jia Xinbao’P-1083/1085”, Switching dosage depend on cost requirements

Inorganic zinc silicate primer:

Components
Hydrolysates of ethyl silicate	28.8
Drying agent	0.6
Sericite mica	2.6
Bentone	1.66	CLAYTONE HY/HT NOELSON Chem
Suspension agent	0.9
Ethyl alcohol	3.44
Zinc dust	46.6
Ferro-phosphorous Powder	15.4	NOELSON™SFPP-800M，You can also replace full or in part of “Jia Xinbao’P-1083/1085” ，Switching dosage depend on cost requirements

Salt spray comparison test of 2K inorganic zinc silicate primer:

Components	Formulation A	Formulation B	Formulation C
Hydrolysates of ethyl silicate	25	25	25
Diatomaceous earth	1.9	1.9	1.9
Anti-settling agents	3.1	3.1	3.1
Zinc dust	52.5	20	20
Ferro-phosphorous Powder	17.5	50
“Jia Xinbao’P-1083/1085”			50

400hrs Salt Spray Testing (GB/T 1771-1991):

A: Zinc/SFPP=52.7:17.5	B: Zinc/SFPP =20:50	C: Zinc/Jia Xinbao =20:50