本文件给出了测定塑料在荷载（三点荷载下的弯曲应力）下挠曲温度的通用试验方法。定义了不同类型的试样和不同的恒定载荷，以适应不同类型的材料。交叉引用:IEC 60584-1ISO 75-3ISO 291IEC 60751ISO 16012ISO 75-2ISO 20753购买时可用的所有现行修订版均包含在本文件的购买中。

This document gives a general test method for the determination of the temperature of deflection under load (flexural stress under three-point loading) of plastics. Different types of test specimen and different constant loads are defined to suit different types of material.Cross References:IEC 60584-1ISO 75-3ISO 291IEC 60751ISO 16012ISO 75-2ISO 20753All current amendments available at time of purchase are included with the purchase of this document.