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CastGuard™ is a seal for anodized aluminum castings that offers enhanced corrosion protection.

Aluminum casting is one of the most popular methods used in mass production today. Unfortunately, this process promotes the migration of silicon particles to the surface of these castings. Silicon particles make it difficult to produce a uniform anodize coating of more than .0004”. Thus, corrosion protection and aesthetics are compromised.

Development experts engineered a diverse portfolio of finishes capable of satisfying a broad range of aluminum die cast finishing needs, including Pioneer’s proprietary CastGuard™ anodize seal.

Standard Specifications
Proprietary Process
RoHS, REACH, ELV & WEEE Compliant

Performance Benefits
Corrosion Resistance
Promotes Adhesion of Subsequent Specialty Coatings & Adhesives

Receptive Metals
Aluminum Casting

.0001- .0004” (Die Cast Aluminum)
100-400 uin.
.0001- .001" (Poured Cast Aluminum)
100-1000 uin.

Max Part Size
156” x 60” x 32”


Performance :
Corrosion Resistance
Material Type:
Aluminum Casting