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GB/T 37841-2019Test method for puncture resistance of plastic film and sheeting (English PDF)

塑料薄膜和薄片耐穿刺性测试方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 30, 2019

Implementation date

March 1, 2020

Scope

GB/T 37841-2019 is the English-translated version of 塑料薄膜和薄片耐穿刺性测试方法.

GB/T 37841-2019 is the Chinese standard "Test method for puncture resistance of plastic film and sheeting". Its scope clause reads: This standard specifies the test principle, instrument, sample and state adjustment, puncture speed, test step of puncture resistance of plastic film and sheet.

Test results, test reports. This standard applies to soft plastic films and sheets with a thickness of less than 1mm. Its clauses include terms and definitions; principle.

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Document preview — GB/T 37841-2019

National Standard of the People's Republic of China

ICS
83.140.10
Classification
G 31

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 4 Principle

1 Scope

This standard specifies the test principle, instrument, sample and state adjustment, puncture speed, test step of puncture resistance of plastic film and sheet.

Test results, test reports.

This standard applies to soft plastic films and sheets with a thickness of less than 1mm.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 1040.1 Determination of tensile properties of plastics - Part 1. General

Standard environment for GB/T 2918 plastic sample conditioning and testing

GB/T 6672 Plastic film and sheet thickness determination mechanical measurement

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Puncture resistance

The ability of the film and sheet to resist penetration by the puncture needle.

Note. expressed in terms of puncture resistance, puncture resistance or puncture elongation.

3.2 Puncture resistance

The maximum force required for the needle to penetrate the specimen vertically.

3.3 Puncture resistance

The puncture resistance of the sample unit thickness.

3.4 Puncture elongation

After the puncture needle contacts the sample, the force value reaches the pre-stress as the starting point until the displacement distance of the puncture needle when the sample penetrates.

4 Principle

The sample is fixed between the two clamping rings, and the puncture needle vertically spurs the center position of the sample at a constant rate, and records the sample subjected to the puncture.

Load and puncture elongation.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

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