GB/T 14795-2023Natural rubber - Vocabulary (English PDF)

1 Scope

This document defines terms and definitions relevant to the natural rubber industry:

This document applies to natural rubber and related fields:

2 Normative reference documents

This document has no normative references:

3 Terms and definitions

3:1 Scope and Source of Rubber

3:1:1 polymerpolymer

A substance composed of molecules characterized by multiple repetitions of one or several types of atoms or atomic groups (structural units) connected to each other in a certain number

The number of masses, atoms or groups of atoms should be sufficient to provide a group that does not change significantly when one or several structural units are added or removed:

performance:

[Source: GB/T 9881-2008,2:308]

3:1:1:1 elastomer

A polymer material that is significantly deformed by weak stress and can quickly return to its original size and shape after the stress is eliminated:

[Source: GB/T 9881-2008,2:147]

3:1:1:2 rubber rubber

< Raw Material> The natural or synthetic elastomer that makes up the bulk of the compound used in many rubber products:

Note 1: Depending on the context, rubber may have three definitions: It may be the end material of a product or the raw material in the process of producing a certain product:

or intermediate materials: This document only defines the term rubber as a raw material: For the definition of rubber as a product term, see GB/T 9881-2008

2:352:

Note 2: In Chapter 40 of the International Harmonized System of Customs, rubber is defined as “products, vulcanized or unvulcanized or hard natural rubber, balata, rubber

Tapo rubber, guayule, chicle and similar natural rubbers, synthetic rubbers and vulcanized grease derived from petroleum or such recycled substances”:

[Source: GB/T 9881-2008, 2:353, with modifications]

3:1:1:2:1 rubber hydrocarbon rubberhydrocarbon

An elastomer composed only of carbon and hydrogen:

Note 1: For natural rubber, rubber hydrocarbon is a chemically pure polyisoprene with components such as proteins and lipids removed:

Note 2: When analyzing and rubber mating, this term is used as a measure of the rubber content excluding other materials used:

[Source: GB/T 9881-2008, 2:356, with modifications] […]