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West System 420 Aluminum Powder

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West System 420 Aluminum Powder will increase the hardness and abrasion resistance of the coated surface and improve its moisture resistance. 420 provides limited protection from ultraviolet light in areas that will not be protected with other coatings and can be used as a base for subsequent painting. Add to any mixed WEST SYSTEM® 105/200 Series Hardener combination.

Project Uses

Create an abrasion and moisture-resistant surface in:

  • Fibreglass Repairs
  • Reusable Mold Surfaces
  • Boat Bottom Fortification
  • Composite Aluminum Castings

Product Specifications

  • Metallic Gray
  • Cures to Metallic Gray
  • Fine Aluminum Powder