Accession Number:

AD0776205

Title:

A Substitute Liquid for AFFF (Aqueous Film Forming Foam) Concentrate for Checking Proportioners

Descriptive Note:

Memorandum rept.

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC

Report Date:

1974-02-01

Pagination or Media Count:

19.0

Abstract:

The high cost of Aqueous Film Forming Foam AFFF concentrate makes it expensive to conduct the routine testing of shipboard High Capacity Fog Foam station proportioners and has created the desire for a lower cost substitute material. The selection of an appropriate liquid to simulate the performance of an AFFF concentrate in a proportioning system is based on matching the viscosity characteristics for pumping and the index of refraction characteristics for analysis. Mixtures of glycerin and water were found capable of reproducing these properties of all existing AFFF concentrates when used in strengths of 40 to 87 glycerin. The extra logistics and manipulations required to use a simulated liquid should be considered in making a decision on its use.

Subject Categories:

  • Marine Engineering
  • Safety Engineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE