Patent ID: 9588034
Date: 2017-03-07
CPC Classifications: G01N

Claim:
1. An apparatus for testing the chemical permeation of materials, comprising: a swatch block having an air distribution manifold, a chemical vapor challenge manifold, and a heater block having a plurality of openings, each of said openings for receiving a test cell for holding a swatch of material to be tested between a top half and a bottom half of each test cell; a lid and a clamping means for securing said lid to said swatch block after said test cells are inserted in said plurality of heater block openings; a first flow path for passing a chemical under test through the top half of each cell; a second flow path for extracting vapor from the bottom half of each cell; a detector for receiving vapor from the second flow path and analyzing it for presence of the chemical under test; and a vacuum for maintaining an air flow through the test cells and the first and second flow paths.