DIN ISO 7884-4:1998
玻璃.粘度和粘度固定点.第4部分:射线束弯曲法测定粘度
Glass - Viscosity and viscometric fixed points - Part 4: Determination of viscosity by beam bending (ISO 7884-4:1987)
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- 标准号
- DIN ISO 7884-4:1998
- 发布
- 1998年
- 发布单位
- 德国标准化学会
- 当前最新
- DIN ISO 7884-4:1998
- 被代替标准
- DIN 52312-4:1983
- 适用范围
- The document specifies a method of determining the dynamic viscosity of glass on a rod-shaped test specimen (called a beam) supported at its end. The viscous deflection rate of the beam is measured under given load at the midpoint between the supports. In addition the viscosity-temperature relationship and the dependence of the viscosity on the thermal history of the sample can be determined.