SN/T 3802-2014 in English
VALIDDetermination of free diisocyanate compounds in polyurethane adhesives for construction for import and export
- Issued on:2014-01-13
- Implemented on:2014-08-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$253.00
Scope
This standard specifies the import and export of free diisocyanate compounds (1,4-phenylene isocyanate, toluene diisocyanate, hexamethylene diisocyanate, trimethyl hexamethylene diisocyanate, isocyanate) in polyurethane adhesives for construction. The content of phthalate (Phophorone diisocyanate, diphenylmethane diisocyanate) can be determined by gas chromatography-mass spectrometry (GC-MS) and gas chromatography (GC). Gas chromatography-mass spectrometry is the arbitration method. This standard applies to imported and exported construction materials. Determination of isocyanate, toluene diisocyanate, hexamethylene diisocyanate, trimethylhexamethylene diisocyanate, isophorone diisocyanate and diphenylmethane diisocyanate content.
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