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

Heubach HEUCOPHOS SRPP Anti-corrosive Pigment

Heubach HEUCOPHOS SRPP is a high-performance anti-corrosive pigment from the HEUCOPHOS series, featuring strontium phosphosilicate chemistry for active corrosion inhibition in protective coatings. It offers excellent durability, low toxicity, and superior compatibility with epoxy and polyurethane systems—replacing traditional heavy-metal pigments like zinc chromate while meeting stringent environmental regulations.
  • heubach heucophos srpp anti corrosive pigment_c4d84e75
  • heubach heucophos srpp anti corrosive pigment_c4d84e75

Features Of Heubach HEUCOPHOS SRPP Anti-corrosive Pigment

  1. Environmentally advanced phosphate-based anti-corrosive pigment with reduced heavy metal content.

  2. Offers excellent passivation of steel surfaces through formation of protective iron phosphate layers.

  3. Compatible with waterborne and solventborne epoxy, acrylic, and alkyd coating systems.

  4. Enhances long-term corrosion resistance without compromising coating adhesion or flexibility.

  5. Designed for low-VOC formulations and compliant with evolving regulatory requirements for industrial coatings.

Typical Applications Of Heubach HEUCOPHOS SRPP Anti-corrosive Pigment

  1. Marine and offshore protective coatings for hulls, decks, and ballast tanks.

  2. Industrial maintenance coatings for steel structures in chemical plants and refineries.

  3. Automotive underbody and chassis primers requiring enhanced rust inhibition.

  4. Bridge and infrastructure coatings exposed to humid, saline, or industrial atmospheres.

  5. Railway wagon and container coatings demanding durable, low-toxicity corrosion protection.

Specifications Of Heubach HEUCOPHOS SRPP Anti-corrosive Pigment

Chemical TypeModified zinc-aluminium phosphate complex
Product FormFine, free-flowing powder
AppearanceWhite to off-white powder
Primary ApplicationsAnti-corrosive primer and intermediate coat pigments
Key FeaturesPassivation-based corrosion inhibition, low solubility, pH buffering capacity
BenefitsReduced reliance on chromates and lead-based pigments; improved environmental profile
Storage ConditionsStore in dry, cool conditions; protect from moisture and direct sunlight
Recommended Loading Level15–30 wt% in dry pigment volume (based on total pigment solids)


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