EU Binding Tariff Information
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Issuing Country : GERMANY
Date Of Issue : 01.Sep.2022 - 31.Aug.2025
Thioplasts, which are Bis(ethylenoxy)methan-Polymers containing disulfide compounds, with mercaptane (-SH) reactive end groups that serve to harden. The hardening of liquid polysulfide polymers into high molecular weight elastomers is achieved by oxidizing the mercaptane terminals to disulfide bonds (-S-S). Due to these properties, polysulfide polymers are used in the production of sealants for the isolating glass, construction and aircraft industries.
Description auto translated : Information from the applicant: polysulfides (here: bis(ethyleneoxy)methane polymers containing disulfide compounds). The reactive end groups are mercaptans (-SH), which are used for curing. Curing of liquid polysulfide polymers into high molecular weight elastomers is accomplished by oxidizing the mercaptan (-SH) terminus to disulfide (-SS) bonds. Due to the properties mentioned, polysulfide polymers are used to manufacture sealants for the insulating glass, construction and aircraft industries. Goods samples were not presented. Findings: These are thioplasts.
Original Description: Angaben des Antragstellers:Polysulfide (hier: Bis(ethylenoxy)methan-Polymere, welche Disulfidverbindungen enthalten). Die reaktiven Endgruppen sind Mercaptane (-SH), die dem Aushärten dienen. Das Aushärten von flüssigen Polysulfid-Polymeren zu Elastomeren mit hohem Molekulargewicht wird durch Oxidieren der Mercaptanendungen (-SH) zu Disulfidbindungen (-S-S) erreicht.Aufgrund der genannten Eigenschaften werden Polysulfid-Polymere zur Herstellung von Dichtstoffen für die Isolierglas-, Bau- und Flugzeugindustrie verwendet.Warenmuster wurden nicht vorgelegt.Befund:Es handelt sich um Thioplaste.
Source : EU Binding Tariff Information
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