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FZ/T 25002.1-1993Test method of papermaking felt (English PDF)

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Issued by

Ministry of Industry and Information Technology of the People's Republic of China

Level / Type

National · Recommended

Issue date

January 1, 1970

Implementation date

January 1, 1970

Scope

FZ/T 25002.1-1993 (Test method of papermaking felt) is available as an English-translated PDF.

FZ/T 25002.1-1993 — This standard specifies the paper machine woven blankets, paper blankets acupuncture and bottom nets paper blankets physical indicators and the appearance of defects test methods.

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Document preview — FZ/T 25002.1-1993

National Standard of the People's Republic of China

ICS: 59.080.01
Classification: W 56
Replacing: FZ/T 25002.4-1993

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword
1 Scope
2 Normative references
3 Test conditions and test content
3.1 Laboratory standard state
3.2 Sampling provision
3.3 Test Details
4.1 Length and width measurements

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules.

This standard is the FZ/T 25002.4-1993 "Felt test method" amendments. This standard FZ/T 25002.4-1993 Compared to, in addition to editorial changes outside the main changes are as follows.

--- Modify the standard number;

--- Modify the application of the criteria range (see Chapter 1, Chapter 1 of the 1993 edition);

--- Add schematic blankets length and width of the measuring point (see 4.1.1);

--- Adjust the blanket permeability test method (see 4.6, version 4.7, 1993).

The standard proposed by China Textile Industry Association.

This standard by the China Standardization Technical Committee Textile Wool Textile Technical Committee (SAC/TC209/SC3) centralized.

This standard was drafted. wool and linen, Shanghai Textile Research Institute of Science and Technology, Sichuan ring Long Technical Fabrics Ltd., China textile industry Products Industry Association, Dongguan City, the clothing industry Hing Co., Ltd., Xuzhou Industrial Plant, Jiangsu Co., engineered fabrics do.

1 Scope

This standard specifies the paper machine woven blankets, paper blankets acupuncture and bottom nets paper blankets physical indicators and the appearance of defects test methods.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

Determination of GB/T 3820 thickness of textiles and textile products GB/T 3923.1 Textiles Tensile properties of fabrics - Part 1. breaking force and elongation Strip method Determination of length and mass per unit area GB/T 4669-2008 Textiles - Woven fabrics unit mass GB/T 6529 Textiles Standard conditioning and testing atmosphere GB/T 8170 repair value expressed about the rules and limit values and judgment GB 9994 the moisture regain of textile materials GB/T 9995 Textile material moisture content and moisture determination oven drying method GB/T 24290 papermaking forming wire, drying wire measuring method

3 Test conditions and test content

3.1 Laboratory standard state

3.1.1 standard laboratory atmosphere and tolerance. temperature (20 ± 2.0) °C, relative humidity (65 ± 3.0)%.

3.1.2 Calculation of the test results according to GB/T 8170 were rounding.

3.2 Sampling provision

3.2.1 Test per strip, as a performance test to be cut by the same item number zero blanket material, but not serious surface Defects.

3.2.2 Specimens shall be cut open and cut at the middle of the carpet, such as when sampling at the edge of the blanket, the sample should be at least 5cm away from the edge of clipping.

3.2.3 Pre-test the humidity. the GB/T 6529 provisions presetting wet process.

3.3 Test Details

Blankets breaking strength and elongation, blanket thickness, length and width of blankets, square weight regain, the amount of ventilation.

Test Method 4

4.1 Length and width measurements

The length of the blanket, the blanket width to length when the tension on the factory production stereotypes state, the width prevail. Long blanket orders Degrees, the width of the design parameters obtained by multiplying the value is the stereotypes on the length, width.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.

Referenced standards

Normative references

GB 9994 · GB/T 9995

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