Yes, the NG-HDT complies with ASTM D1525, the international standard for determining the Vicat softening temperature of plastics. This method uses a needle-shaped indenter under a constant load to measure the temperature at which the material begins to soften.

ASTM D1525 is widely used in quality control and material selection because it helps manufacturers evaluate the heat resistance of thermoplastics. It is especially relevant in industries such as construction, automotive, and electrical applications, where materials must maintain integrity when exposed to elevated temperatures. With compliance to ASTM D1525, the NG-HDT provides reliable data for certifying materials and comparing them with results obtained under ISO 306 or GB/T 8802 procedures.

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