Polyol and Isocyanates
Most of the test methods for the raw materials for polyurethanes and the final products are described by ASTM

Polyol Standard test methods for polyurethane raw materials


Determination of Acid and Alkalinity Numbers of Polyols D4662-98
Determination of Specific Gravity of Polyols D4669-98
Determination of Suspended Matter In Polyols D4670-97
Determination of Unsaturation of Polyols D4671-99 
Determination of Water Content of Polyols D4672-95
Determination of Viscosity of Polyols D4878-98 
Determination of Primary Hydroxyl Content of Polyether Polyols D4273-99
Determination of Hydroxyl Numbers of Polyols D4274-99
Determination of Gardner and APHA Color of Polyols D4890-98
Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy D6342-98 
Alkalinity in Low-Alkalinity Polyols (Determination of CPR values of Polyols) D6437-99 

Isocyanates Standard test methods for polyurethane raw materials


Determination of Specific Gravity of Isocyanates D4659-98 
Determination of the Isomer Content of Toluenediisocyanate D4660-95 
Determination of Total Chlorine in Isocyanates D4661-98 
Determination of Hydrolyzable Chlorine of Isocyanates D4663-98 
Determination of Acidity of Crude or Modified Isocyanates D4876-98 
Determination of APHA Color in Isocyanates D4877-98
Determination of Viscosity of Crude or Modified Isocyanates D4889-98
Determination of the Isocyanate Content of Aromatic Isocyanates D5155-96 
Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates D5523-94
Determination of Acidity in Low-Acidity Aromatic Isocyanates and Polyurethane Prepolymers D5629-99
Determination of Acidity in Moderate to High Acidity Aromatic Isocyanates D6099-97 

Last edited on:

November 20, 2006

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