Physical Properties

Delaphos 2M Delaphos 2 Delaphos 4 TEST METHOD
Loss on Ignition 8.50 – 10.00% 8.50 – 10.00% 10.00 – 15.00% ISO 6745
Zn content after ignition 50.5 – 52.0% 50.5 – 52.0% 50.5 – 52.0% ISO 6745
Resistance of aq. Extract >6500 ohm-cm >6500 ohm-cm >6500 ohm-cm ISO 787/14 modified
PH of aq. Extract >6 – 8 >6 – 8 >6 – 8 ISO 787/9 modified
Solubility in water < 0.1% < 0.1% < 0.1% ISO 787/8
Specific gravity 3.1 g/cc 3.1 g/cc 3.1 g/cc ISO 787/10
Bulk density (typ.) 1.1 g/cc 1.1 g/cc 1.1 g/cc ISO 787/11
Retention of 45μm sieve < 0.01% < 0.3% < 0.3% ISO 787/7
Fineness of Grind [Hegman] >= 6 >= 4.5 >= 4.5 ISO 1524
Oil absorption 20 –24g/100g 20 –24g/100g 20 –24g/100g ISO 787/5
Mean particle size 5.5μm 6.0μm 6.0μm Laser diffraction

Formulators Guidelines

Solvent Borne Performance
Short Oil Alkyd ★★★
Medium oil Alkyd ★★ Starting point formulation
Long oil Alkyd ★★ Starting point formulation
2K Epoxy ★★ Starting point formulation
High Solid Epoxies ★★
Epoxy Ester ★★
PU ★★ Starting point formulation

 

Water Borne Performance
Water reducible Alkyd ★★
Alkyd emulsion ★★ Starting point formulation
Epoxy Ester ★★
2K Epoxy ★★ Starting point formulation
Acrylics and Modified acrylics ★★ Starting point formulation

 

Powder Performance
Polyester  Nil
Silicone  Nil
Epoxy  Nil

 

Speciality coatings Performance
Wash primers
Coil Coatings ★★★

Excellent : ★★★ Good : ★★ Possible : ★ Not recommended : nr


Best performances are obtained with a typical loading of 5 to 12% by weight on the total formulation and a PVC ranging from 20% to 40%

PSD-graph