GB/T 1632.4-2020 Active National standards

GB/T 1632.4-2020 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbonate(PC) moulding and extrusion materials

GB/T 1632.4-2020 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 4:Polycarbonate(PC) moulding and extrusion materials

Publish Date: 2020-12-14 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 1632.4-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods for synthetic resins and plastics

ICS Name: Thermoplastic plastics

Publish Date: 2020-12-14

Implement Date: 2021-07-01

Pages: 11 pages

Scope

This part of GB/T 1632 specifies the methods for determining the viscosity (also known as specific viscosity) and relative viscosity of polycarbonate dilute solutions.
This part is applicable to polycarbonate (PC) pure materials and blends, as well as mixtures with or without the addition of other fillers.

Development Information

Word Count: 20 Thousand words Pages: 11 pages

Referenced Standards

GB/T 1632.1-2008 Plastics—Determination of the viscosity of polymers in dilute solution using capillary viscometers—Part 1:General principles GB/T 11415-1989 Laboratory sintered (fritted) filters—Porosity grading, classification and designation GB/T 30514-2014 Glass capillary kinematic viscometers—Specifications and operating instructions

Adopt standards

ISO 1628-4:1999

Related Standards

GB/T 6595-1986 Replaced

GB/T 6595-1986 Test method for fish eye count of polypropylene resin

Publish Date: 1986-07-24

GB/T 6598-1986 Active

GB/T 6598-1986 Determination of weight-average molecular weight of polystyrene standards by low angle laser light scattering method

Publish Date: 1986-07-24

GB/T 6599-1986 abolished_transferred

GB/T 6599-1986 Determination of molecular weight averages and molecular weight distribution of polystyrene standards by steric exclusion chromatography

Publish Date: 1986-07-24

GB/T 8330-1987 Replaced

GB/T 8330-1987 Method for the determination of true density of ion exchange resins in wet state

Publish Date: 1987-11-15

GB/T 8331-1987 Replaced

GB/T 8331-1987 Method for the determination of bulk density of ion exchange resins in wet state

Publish Date: 1987-11-15

GB/T 8324-1987 Replaced

GB/T 8324-1987 Test method for bulk factor of moulding materials

Publish Date: 1987-12-01