ChinaAutoRegs｜GB/T 6343-2009英文版/English/翻译/泡沫塑料及橡胶 表观密度的测定
Cellular Plastics and Rubbers – Determination of Apparent Density

1 SCOPE

This Standard specifies a method for determining the apparent overall density and the apparent core density of cellular plastics and rubbers.
If the material to be tested includes skins formed during a moulding/extrusion, the apparent overall density or the apparent core density, or both, can be determined. If the material does not have skins formed during moulding, the term “overall density” is not applicable.
For shaped materials, a different method such as buoyancy method may be used.

2 NORMATIVE REFERENCES

The following standards contain provisions which through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments (corrigenda excluded) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the Standards indicated below. For undated references, the latest edition of the applicable Standards referred to apply.
GB/T 2918-1998 Plastics – Standard atmospheres for conditioning and testing (ISO 291: 1997, IDT)
GB/T 6342-1996 Cellular plastics and rubbers-Determination of linear dimensions (ISO 1923: 1981, IDT)

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