GB/T 47391.3-2026 Pending National standards

GB/T 47391.3-2026 Plastics—Unsaturated-polyester powder moulding compounds(UP-PMCs)— Part 3:Requirements for selected moulding compounds

GB/T 47391.3-2026 Plastics—Unsaturated-polyester powder moulding compounds(UP-PMCs)— Part 3:Requirements for selected moulding compounds

Publish Date: 2026-03-31 Implement Date: 2026-10-01 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 47391.3-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Synthetic resins and plastics

ICS Name: Plastic Composite

Publish Date: 2026-03-31

Implement Date: 2026-10-01

Pages: 12 pages

Scope

This document specifies the physical and chemical properties of powdered unsaturated polyester molding compounds (UP-PMCs), as well as their compression or injection molding samples. It also outlines inspection rules, marking requirements, packaging, transportation, and storage procedures, and describes testing methods. This document applies to the production and inspection of three selected types of powdered unsaturated polyester molding compounds. The performance characteristics of the molding compounds and their testing methods and conditions are all selected from GB/T 47391.2-2026. The molding compounds are divided into different models based on their composition and performance. The different models of molding compounds are named in accordance with the provisions of GB/T 47391.1.

Development Information

Word Count: 13 Thousand words Pages: 12 pages

Same series standard

GB/T 47391.1-2026 Plastics—Unsaturated-polyester powder moulding compounds(UP-PMCs)—Part 1:Designation system and basis for specifications GB/T 47391.2-2026 Plastics—Unsaturated-polyester powder moulding compounds(UP-PMCs)—Part 2:Preparation of test specimens and determination of properties

Referenced Standards

GB/T 2035-1996 Terms and definitions for plastics GB/T 2035-2008 Terms and definitions for plastics GB/T 2035-2024 Plastics—Vocabulary GB/T 2547-1981 Plastic resins—Sampling GB/T 2547-2008 Plastic resins—Sampling GB/T 47391.1-2026 Plastics—Unsaturated-polyester powder moulding compounds(UP-PMCs)—Part 1:Designation system and basis for specifications GB/T 47391.2-2026 Plastics—Unsaturated-polyester powder moulding compounds(UP-PMCs)—Part 2:Preparation of test specimens and determination of properties

Adopt standards

ISO 14530-3:1999

Related Standards

GB/T 12000-1989 Replaced

GB/T 12000-1989 Plastics—Test methods of exposure to damp heat, steady state

Publish Date: 1989-12-25

GB/T 15585-1995 Abolished

GB/T 15585-1995 Determination of shrinkage for injection moulding thermoplastics

Publish Date: 1995-06-12

GB/T 15596-1995 Replaced

GB/T 15596-1995 Plastics—Determination of changes in Color and variations in properties after exposure to daylight under glass, natural weathering or artificial light

Publish Date: 1995-06-12

GB/T 15598-1995 abolished_transferred

GB/T 15598-1995 Testing methods for shear strength of plastics by punch tool

Publish Date: 1995-06-12

GB/T 1843-1996 Replaced

GB/T 1843-1996 Plastics—Determination of izod impact strength

Publish Date: 1996-06-14

GB/T 2035-1996 Replaced

GB/T 2035-1996 Terms and definitions for plastics

Publish Date: 1996-06-14