Fig: Flax fibers in crossed polarized light. Note vertical fiber which is nearly totally extinguished (dark). 165x, 90° crossed polars. ( source: http://206.180.235.133/jaic/articles/jaic26-01-003.html)
Fig: Red plate test of flax. Note the yellow color of the vertical fibre. 165x, 90° crossed polars, first order red compensator plate in 45° position .( source: http://206.180.235.133/jaic/articles/jaic26-01-003.html)
Fig: Red plate test of flax. Yellow fibre of plate 2 rotated 90° to horizontal position. Note blue color. 500x, 90° crossed polars and red plate..( source: http://206.180.235.133/jaic/articles/jaic26-01-003.html)
flax products using weaving & braiding
fig: Traditional high quality flax, 100% long fiber & packaging( source : http://www.jos-vanneste.com/start/products/flax_for_plumbers/en?PHPSESSID=713de75e3d0c7c8e790ecf193d2487cd)
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