GB/T 21989-2008 Active National standards

GB/T 21989-2008 Plastics—Poly(vinyl chloride)pastes—Determination of apparent viscosity using the Severs rheometer

Publish Date: 2008-06-04 Implement Date: 2008-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21989-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Synthetic resins and plastics

ICS Name: Thermoplastic plastics

Publish Date: 2008-06-04

Implement Date: 2008-12-01

Pages: 10 pages

Scope

This standard specifies the method of determining the apparent viscosity of PVC plasticized paste prepared from PVC resin and plasticizers using a Severs rheometer at high shear rates. This standard is particularly suitable for the "standard plasticized paste" prepared according to GB/T 21991 "Preparation of PVC paste for plastic testing using a planetary mixer" or GB/T 16613 "Preparation of PVC paste for testing using a disperser".