GSO ISO 15038:2015
ISO 15038:1999
Gulf Standard
Current Edition
·
Approved on
03 September 2015
Plastics -- Organic-perester crosslinking agents for unsaturated-polyester thermosetting materials -- Determination of active-oxygen content
GSO ISO 15038:2015 Files
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7 Pages
Current Edition
Reference Language
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GSO ISO 15038:2015 Scope
This International Standard specifies a method of determining the total active-oxygen content of organic peresters.
It applies to those peresters used to initiate crosslinking of unsaturated-polyester thermosets.
The peresters most widely used in the crosslinking of unsaturated-polyester resins are given in Table 1. Butyl peresters may contain traces of tert-butyl hydroperoxide (TBHP), the active oxygen in which can be determined separately from that in the perester itself (see annex A). The active-oxygen content of the perester alone can then be obtained by subtraction.
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