How is permeation testing performed?
A. The US Department of Transportation requirement for products transported over US highways is that chemicals and solvents lose less than 2% weight per year. This serves to protect warehouse and shipping personnel from excessive fume exposure and to protect the consumer from underweight packaging. Note that for hazardous materials the permissible weight loss is only 0.5% per year! Fluorination can often boost HDPE container performance enough to help you meet these targets. Over 20,000 of our customers worldwide have been able to maintain use of impact resistant HDPE packaging and avoid switching to less desirable glass or metal containers or to more expensive barrier resin or barrier coated containers. Please refer to Compatibility Testing as defined in the Code of Regulation of the Department of Transportation, Appendix B to Part 173 Procedure For Testing Chemical Compatibility and Rate of Permeation in Plastic Packaging and Receptacles.
