EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ASTM D4663 testing. This test method determines the hydrolyzable chlorine content of toluene-2,4-diisocyanate, toluene-2,6-diisocyanate, or mixtures of the two.
It is acceptable to apply this test method to other isocyanates of suitable solubility. The main sources of hydrolyzable chlorine in isocyanates are carbamoyl chloride and dissolved phosgene. Both of these compounds react with alcohols and water to form ureas, carbamates, carbon dioxide and hydrochloric acid.
This test method can be used for research or quality control to characterize toluene diisocyanates. Hydrolyzable chlorine is associated with performance in some polyurethane systems.
It is possible that this test method is applicable to crude polymeric isocyanates. However, precision has not been determined with crude polymeric isocyanates.
This standard does not purport to address all, if any, safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health and environmental practices and to determine the applicability of regulatory restrictions prior to use.
EUROLAB assists manufacturers with ASTM D4663 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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