Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

SHIELDEX C303 Anti-corrosive Pigment

SHIELDEX C303 is a high-performance anti-corrosive pigment from the SHIELDEX series, featuring modified zinc phosphate technology for superior passivation and barrier protection in primers and coatings. It enhances corrosion resistance in marine, industrial, and automotive applications while maintaining low toxicity and excellent dispersion stability.
  • shieldex c303 anti corrosive pigment_1d37d7d8
  • shieldex c303 anti corrosive pigment_1d37d7d8

Features Of SHIELDEX C303 Anti-corrosive Pigment

  1. High-efficiency cathodic protection via zinc-rich electrochemical action.

  2. Excellent dispersion stability in epoxy, polyurethane, and alkyd resin systems.

  3. Low heavy metal content, compliant with RoHS and REACH restricted substance requirements.

  4. Enhanced barrier protection through optimized particle morphology and surface passivation.

  5. Improved film integrity and reduced porosity compared to conventional zinc phosphate pigments.

Typical Applications Of SHIELDEX C303 Anti-corrosive Pigment

  1. Marine and offshore structural coatings (e.g., hulls, decks, ballast tanks).

  2. Industrial maintenance coatings for steel bridges and power transmission towers.

  3. Oil & gas infrastructure coatings including pipelines and storage tanks.

  4. Railway vehicle undercarriage and chassis primers.

  5. Heavy-duty equipment coatings for mining and construction machinery.

Specifications Of SHIELDEX C303 Anti-corrosive Pigment

Chemical TypeZinc calcium phosphosilicate complex
Product FormFine dry powder
AppearanceOff-white to light gray free-flowing powder
Primary ApplicationsAnti-corrosive primer pigments for protective coatings
Key FeaturesNon-toxic, non-chromate, low-VOC compatible
BenefitsExtended service life, reduced maintenance frequency, improved adhesion
Storage ConditionsKeep in cool, dry place; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture under recommended storage


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