GB/T 12009.4-1989 Replaced National standards

GB/T 12009.4-1989 Polymethylene polyphenyl isocyanate—Determination of isocyanate content

Publish Date: 1989-12-25 Implement Date: 1990-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12009.4-1989

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

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

ICS Name: Plastic

Publish Date: 1989-12-25

Implement Date: 1990-11-01

Publisher: The National Technical Supervision Bureau

Technical Committee: The Plastic Resin Products Branch (SC4) of the National Plastics Standardization Technical Committee

Pages: 4 pages

Development Information

Drafting Units:

Chongqing Changfeng Chemical Plant

Drafting Persons:

Zhang Qiguo and Zhang Miao

Word Count: 6 Thousand words Pages: 4 pages

Same series standard

GB/T 12009.1-1989 Isocyanates—Determination of total chlorine content GB/T 12009.2-1989 Isocyanates—Determination of hydrolyzable chlorine content GB/T 12009.3-1989 Polymethylene polyphenyl isocyanate—Determination of viscosity

Superseded by the following standards

GB/T 12009.4-2016 Plastics—Aromatic isocyanates for use in the production of polyurethane—Part 4:Determination of isocyanate content

Referenced Standards

GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions

Adopt standards

ASTM D1638-1974

Related Standards

GB/T 2410-1980 Replaced

GB/T 2410-1980 Transparent plastics—Transmissivity and haze test

Publish Date: 1980-12-31

GB/T 2411-1980 Replaced

GB/T 2411-1980 Plastics—Shore hardness test

Publish Date: 1980-12-31

GB/T 2412-1980 Replaced

GB/T 2412-1980 Polypropylene—Method of determination of normal indices

Publish Date: 1980-12-31

GB/T 2547-1981 Replaced

GB/T 2547-1981 Plastic resins—Sampling

Publish Date: 1981-03-28

GB/T 2895-1982 Replaced

GB/T 2895-1982 Determination for acid value of unsaturated polyester resins

Publish Date: 1982-02-08

GB/T 2913-1982 Active

GB/T 2913-1982 Test for whiteness of plastics

Publish Date: 1982-03-02