Feature
Anti-corrosive pigments are substances that are added to coatings and paints to provide protection against corrosion. One
commonly used anti-corrosive pigment is zinc.
Zinc is an essential element in anti-corrosive pigments due to its ability to provide sacrificial protection. When a coating
containing zinc is applied to a metal surface, the zinc acts as a sacrificial anode. This means that the zinc corrodes preferen
-tially to the metal substrate, protecting it from corrosion.
The corrosion process occurs when metal is exposed to moisture and oxygen, which leads to the formation of rust or corrosion
products. Zinc, being more reactive than most metals, will corrode before the metal substrate, sacrificing itself to prevent corro
-sion from occurring.
In addition to sacrificial protection, zinc also provides other benefits as an anti-corrosive pigment. It forms a protective barrier on
the metal surface, shielding it from moisture and oxygen. Zinc oxide, a byproduct of zinc corrosion, also acts as a physical barrier
against corrosion.
Zinc can be incorporated into coatings and paints in various forms, such as zinc dust, zinc phosphate, or zinc chromate. Each
form has its own unique properties and applications. For example, zinc dust is often used in epoxy coatings for heavy-duty
corrosion protection, while zinc phosphate is commonly used in primers for steel substrates.
Overall, the addition of zinc as an anti-corrosive pigment in coatings and paints helps to extend the lifespan of metal surfaces by
providing sacrificial and barrier protection against corrosion.
USING TIPS:
* Recommend dosage is 3%-8%. (Please adjust the dosage according to the actual product.) * As different formulations and conditions, suggest the user to test and make sure the dosage before using.
Item
| SN-250 | Brand | SKYSIL |
| Oil absorption, g/100g | 40-60 | Particle Size, um（Malvent，D50） | 2.5-3.5 |
| PH(5% Liquor) | 8.0-10 | Appearance | White Powder |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
