GB/T 40934-2021 Active National standards

GB/T 40934-2021 Rotational moulding—Test method for powder flowability

GB/T 40934-2021 Rotational moulding—Test method for powder flowability

Publish Date: 2021-11-26 Implement Date: 2022-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 40934-2021

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: Plastic Composite

Publish Date: 2021-11-26

Implement Date: 2022-06-01

Pages: 10 pages

Scope

This document specifies the test method for the flowability of powders used in rotational molding.
This document is applicable to free-flowing powder materials used in rotational molding, with a particle size D98 of ≤1 mm and an apparent density Da of ≥0.21 g/mL.

Development Information

Word Count: 16 Thousand words Pages: 10 pages

Referenced Standards

GB/T 2035-2008 Terms and definitions for plastics GB/T 2547-2008 Plastic resins—Sampling GB/T 1636-2008 Plastics—Determination of apparent density material that can be poured from a specified funnel GB/T 1957-1981 Limit gauges for plain workpiece GB/T 1957-2006 Tolerances and general features for plain limin gauges GB/T 2918-1998 Plastics—Standard atmospheres for conditioning and testing GB/T 2918-2018 Plastics—Standard atmospheres for conditioning and testing GB/T 6284-1986 Chemical products for industrial use—General method for determination of water content—Gravimetric method GB/T 6284-2006 Chemical products for industrial use—General method for determination of water content—The loss of mass on drying method GB/T 16418-1996 Particle system—Vocabulary GB/T 16418-2008 Particle system—Vocabulary

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