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<p>This International Standard specifies a method for the measurement of trace amounts of basic materials present in</p>
<p>polyether polyols used in the production of polyurethanes. It is important to know the trace amount of basicity in a</p>
<p>polyol to prevent gelation of the reaction mass during the production of polyurethane prepolymers. It is also useful</p>
<p>to control the basicity in polyols used for polyurethane production to assure consistent and reproducible reaction</p>
<p>behaviour. This method is suitable for quality control, as a specification test and for research.</p>
<p>The applicable range is 0 _g to 50 _g/g, expressed as KOH. The method is not applicable to amine-based polyols.</p>
<p>The values may be reported as CPR (controlled polymerization rate) units.</p>
Reģistrācijas numurs (WIID)
25887
Darbības sfēra
<p>This International Standard specifies a method for the measurement of trace amounts of basic materials present in</p>
<p>polyether polyols used in the production of polyurethanes. It is important to know the trace amount of basicity in a</p>
<p>polyol to prevent gelation of the reaction mass during the production of polyurethane prepolymers. It is also useful</p>
<p>to control the basicity in polyols used for polyurethane production to assure consistent and reproducible reaction</p>
<p>behaviour. This method is suitable for quality control, as a specification test and for research.</p>
<p>The applicable range is 0 _g to 50 _g/g, expressed as KOH. The method is not applicable to amine-based polyols.</p>
<p>The values may be reported as CPR (controlled polymerization rate) units.</p>
