This standard specifies the method for measuring the number of "fish eyes" of general-purpose polyvinyl chloride resin (PVC) by calendering film-forming method. This standard applies to the determination of the number of "fish eyes" of general-purpose polyvinyl chloride resin.
GB/T 4611-1993 history
2008GB/T 4611-2008 Determination method of“fish eyes” for polyvinyl chloride resins of general use
1993GB/T 4611-1993 Determination method of "fish eyes" for polyvinylchloride resins of general use