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GB/T 41511-2022 English PDF

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GB/T 41511-2022: Test method for peel strength of coated abrasives
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Basic data

Standard ID GB/T 41511-2022 (GB/T41511-2022)
Description (Translated English) Test method for peel strength of coated abrasives
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J43
Word Count Estimation 6,650
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 41511-2022: Test method for peel strength of coated abrasives

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Test method for peel strength of coated abrasives ICS 25.100.70 CCSJ43 National Standards of People's Republic of China Test method for peel strength of coated abrasives Published on 2022-07-11 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Abrasives Standardization Technical Committee (SAC/TC139). This document is drafted by. Jiangsu Fengmang Composite Materials Technology Group Co., Ltd., Suzhou Yuandong Grinding Wheel Co., Ltd., Guangdong Xiaosun Sanding Materials Co., Ltd., Jiangsu Mitsubishi Abrasives Co., Ltd., Hubei Yuli Abrasive Belt Group Co., Ltd., Zhengzhou Abrasives Grinding Research Company Limited. The main drafters of this document. Wang Peng, Li Yahui, Si Wenyuan, Li Jian, Wang Liangwei, Xu Xiongfu, Zhang Liang, Bao Hua, Song Qiang. Test method for peel strength of coated abrasives

1 Scope

This document specifies the test method for the peel strength of coated abrasives. This document applies to the test of the peel strength of coated abrasives for the evaluation of product quality and performance.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 13657 Bisphenol A epoxy resin JB/T 7424 Determination method of tensile strength and elongation of coated abrasives

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 peel strength The force required to peel off the coated abrasive substrate from the mortar layer under specified conditions. Note. The unit of peel strength is usually expressed in N/50mm. 3.2 Incomplete stripping peeledincompletely After peeling, there is a glue grit layer residue on the substrate.

4 Principles

Adhere the sample (glue layer) to the metal plate with adhesive, and fix the non-adhesive end of the metal plate to a clamp of the tensile testing machine , the free end of the sample is reversed 180° and fixed on another clamp of the tensile testing machine, and stretched under the specified conditions to make the base material of the sample and the mortar The layers were peeled off, and the force required during the peeling process was measured. The peel strength test is shown in Figure 1.

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