Method for Testing the Quality of Lightweight Rafts

16:26, 11/07/2024

Light rafts before being stored (brought into) the national reserve must be inspected and certified for product quality according to the provisions of the law.

National reserve units shall sample to check the quality before storage based on the following contents: visual inspection, technical requirement compliance check.

To meet technical requirements, test methods must be applied. To be specific:

- Color fastness according to TCVN 5466:2002 (ISO 105-A02:1993). Textile materials - Methods for determining color fastness - Part A02: Gray scale for assessing change in color.- Tensile strength for adhering straps, knit netting, and hoisting ropes of light rafts according to ASTM D 6775-13 Standard Test method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Material (method for testing tensile strength and elongation of straps, webbing made of textile materials).- The testing methods for buoyant materials, exterior covers, adhering straps, handles, knit netting for the raft interior, and hoisting ropes of light rafts should be executed according to one of the following methods:- National technical regulations;- National standards;- International standards or regional standards or foreign standards.

For more details, refer to Circular 03/2017/TT-BTC effective from July 20, 2017.

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