Phosphate Function Antirust Coating

PHOSPHATE FUNCTION ANTIRUST COATING

Recommendations

NOELSON™  ZP 409-3, TP-306,  NOELSON™ Iron Oxide pigments etc.

Formulations

2K Epoxy-zinc phosphate antirust primer:

Part A
Epoxy resin 20 Epoxy equivalent: 600-700, Beckopox EP301 (Cytec)
Epoxy resin 1 Epoxy equivalent: 180-200, Beckopox EP116 (Cytec)
1-Methoxy-2-propanol 6.2 Solvent
BYK 204 0.5 Wetting agent
methyl isobutyl ketone 1.5 Solvent
Xylene 9 Solvent
Anti-setting agent 5.2 10% Bentone SD-2 in Xylene
F fumed silica 0.4 Rheological agent
Zinc phosphate 6.6 NOELSON™ ZP 409-3
Barium sulfate 18 By Noelson Chemicals
Talc filler 17  
TiO2 3.6  
Part B
epoxy resin hardener 11 Versamid 115 (Cognis)

Air-dry alkyd antirust primer:

Long-oil alkyd resin 400  
Iron oxide 161 NOELSON™ 130N
Zinc phosphate 80 NOELSON™ ZP 409-3
Talc filler 96  
Barium sulfate 43 By Noelson Chemicals
ZnO 9 By Noelson Chemicals
Dispersing agent 2  
High boiling point solvent 20  
Ethanol solvent 191  
Cobalt dryer, 6% 6  
Plumbum dryer, 24% 4  
Anti-skinning 2  

Results from 400hrs salt spray testing (GB/T 1771-1991):

app-04-01           app-04-02           app-04-03           app-04-04

 

         Control                          6.6% ZP409                  6.6% ZP409-1                 6.6% ZP409-3