ASTM D4660-23

ASTM D4660-23

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1.1 These test methods measure the amount of toluene-2,6-diisocyanate (2,6-TDI) isomer or toluene-2,4-diisocyanate (2,4-TDI) isomer in mixtures of the 2,4- and 2,6-isomers of toluenediisocyanate (TDI). Two different test methods are provided to give accurate results over the broad range of isomer concentrations possible.

1.1.1 Test Method A-Applicable to TDI samples containing 5 to 95 % of 2,6-TDI isomer (5 to 95 % 2,4-TDI isomer).

Product Details

Published:
03/15/2023
Number of Pages:
6
File Size:
1 file , 410 KB
Redline File Size:
2 files , 630 KB
Note:
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