The Exchange Test Method

LABORATORY TEST METHOD NO. H-6: CORROSION RESISTANCE OF UMBRELLAS

  1. PURPOSE:

    To determine resistance to corrosion formation on umbrella ribs and spreaders made of steel,brass,chromium or other metals.
  2. PRINCIPLE:

    Umbrella is subjected to water and humidity under controlled conditions of time and temperature.
  3. APPARATUS AND MATERIALS:

  4. PROCEDURE:

  5. EVALUATION:

    Open specimens and visually check for any formation of corrosion on ribs or spreaders. Note any discoloration of fabric or plastic parts such as handle.
  6. REPORT

    Report any corrosion, its location, and any discoloration of fabric or plastic parts such as handle.