ASTM D4274-23

$34.00

Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols
standard by ASTM International, 03/15/2023

Document Format: PDF

Description

1.1 These test methods measure the hydroxyl groups in polyester and polyether polyols containing primary and secondary hydroxyl groups. They also apply to many other hydroxyl-containing substances.

1.1.1 Test Method A-Acetic Anhydride Pressure Bottle, recommended for polyesters.

Product Details

Published:
03/15/2023
Number of Pages:
10
File Size:
1 file , 120 KB
Redline File Size:
2 files , 240 KB
Note:
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