Hubbard-Hall Inc. Water-Emulsifiable Rust Preventative Metal Guard® 320

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Water-Emulsifiable Rust Preventative - Metal Guard® 320 - Hubbard-Hall Inc.
Waterbury, CT, USA
Water-Emulsifiable Rust Preventative Metal Guard® 320
Metal Guard® 320 is an economical and versatile rust-preventative soluble oil, which when mixed with water and heated to 140°-150°F leaves a corrosion-resistant, semi-dry film. Metal Guard® 320 is typically applied to metal surfaces by immersion, however it can be brushed or sprayed as well. Metal Guard® 320 is mixed with warm water in the proportions of 5 – 25% by volume, depending upon the final film thickness and dryness desired. Note – The water should be heated from 120 – 130oF before adding Metal Guard® 320 Metal Guard® 320 is an excellent rust preventive recommended for “dry-to-touch” finish requirements on phosphated surfaces specified for military and automotive applications. A ten percent solution of Metal Guard® 320 will provide 250 – 300 hours of ASTM B-117 salt spray protection over a heavy zinc phosphate coating. Metal Guard® 320 is also recommended for use on black oxide and bare steel surfaces. A “dry-to-touch” film is obtained on phosphate surfaces when Metal Guard® 320 is used at concentrations of 10% by volume or less. Metal Guard® 320 has a long production life and the concentration can be maintained by adding more Metal Guard 320 and water. FEATURES AND BENEFITS • High flash point • Low odor • Barium free • Non-staining • Thin protective film • Concentration can be adjusted to achieve finishes ranging from oily to “dry-to-touch”
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Technical Specifications

  Hubbard-Hall Inc.
Product Category Petroleum and Mineral Oil Products
Product Number Metal Guard® 320
Product Name Water-Emulsifiable Rust Preventative
Composition / Chemistry Water Soluble / Emulsion; Petroleum or Mineral Oil
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