BS EN ISO 12058-1:2002
塑料.用落球粘度计测定粘度.斜管法

Plastics - 12058-1:2002) Determination of viscosity using a falling-ball viscometer - Part 1: Inclined-tube method

被代替

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标准号

BS EN ISO 12058-1:2002

发布

1997年

发布单位

英国标准学会

替代标准

BS EN ISO 12058-1:2018

当前最新

BS EN ISO 12058-1:2018

 

 

引用标准

ISO 2811-1

被代替标准

94/341935 DC:1994

适用范围

This part of ISO 12058 specifies the general principles of a method, using an inclined-tube falling-ball viscometer, for determining the viscosity of polymers and resins in the liquid emulsified or dispersed state. It is intended for application to liquids over a viscosity measurement range of 0,6 mPa
s to 250 000 mPa
s (temperature range – 20 ºC to + 120 ºC) for which the shear stress and shear rate are proportional, i.e. the viscosity is independent of the shear rate. This ideal behaviour is commonly known as Newtonian behaviour. If a liquid differs significantly from this behaviour, different results may be obtained with the different balls of a falling-ball viscometer or from viscometers with different geometries, such as capillary and rotational viscometers.

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