Evaluation of Liquid Repellent Fabrics

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Authors
  1. Grozea, C.M.
Corporate Authors
Defence Research and Development Canada, Suffield Research Centre, Ralston AB (CAN);Royal Military College of Canada, Kingston ON (CAN) Calian Technologies and CBRN Protection Group
Abstract
Fabrics coated with liquid repellent finishes can help to protect personnel from both hazardous toxic substances and everyday contaminants. Three standard test methods (ISO 4920, AATCC 193 and AATCC 118) and three test methods developed by university research laboratories (contact angle, sliding angle and shedding angle tests) were set up and used to measure five textiles coated with liquid repellent finishes, in order to establish some baseline expectations for results using these methods at the Royal Military College. The fabrics showed some variations in liquid repellency towards water, various oils, and the chemical warfare agent simulant methyl salicylate. The tests can be further expanded to include more realistic attributes such as movement and pressure.

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Keywords
Liquid Repellency;Test Method
Report Number
DRDC-RDDC-2018-C229 — Contract Report
Date of publication
01 Nov 2018
Number of Pages
49
DSTKIM No
CA048052
CANDIS No
808729
Format(s):
Electronic Document(PDF)

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