GB/T 8440-1998 Textiles - Tests for colour fastness - Colour fastness to carbonisation: Sulfuric acid

This standard specifies the method for determining the color fastness of various types of textiles to high temperature carbonization treatment with sulfuric acid. This carbonization treatment is a processing technology designed to remove plant impurities. This standard applies to wool and wool-containing textiles. GB/T 8440-1998 Textiles - Tests for color fastness - Color fastness to carbonization: sulfuric acid GB/T8440-1998 Standard download decompression password: www.bzxz.net

1CS 59.080-30
National Standard of the People's Republic of China
GB/T 8426-~8427-1998
GB/T8429~-84311998
GR/T 8433~-8441—1998
Textiles
Color fastness tests
TextilesTests For eolour fastness1998- 11 - 26 Issued
Implemented on 1999 05 01
Issued by the State Administration of Quality Supervision, Inspection and Quarantine
G8/T 8440-1998
The rate mark is based on TS () 105-X2:-993 Textile color test part X22: Time carbonization color: Acid 3. The text of GB/T844019A7 is equivalent to ISO) 1<15X02:1U3(E). This standard modifies the C13/1844C-2957 standard as follows: 1. According to GB/1.1-1993 1SS5.1.12, the cover and label format are modified, and the preface and 150 are added. 2. The order is compiled according to 1S0105, Chapter 2 to Chapter 3 are swapped, and Chapter 2 is added. 3. The unit of length is changed to mm||tt ||4. The content of the test report has been added.
5. Appendix A\Control standard sample preparation methods\ is changed to text, and the content is inserted into 4.4. This standard replaces GB/T8440-1957 from the date of implementation. This standard was proposed by the China Textile Federation,
This standard was drafted by the Basic Branch of the National Textile Standardization Technical Committee. This standard was jointly drafted by the Standardization Research Institute of the China Textile Federation, Shanghai Wool Textile Science and Technology Research Institute, Beijing Wool Textile Science Research Institute and Shanghai China Textile Industry Technical Supervision Institute. The authors of this standard are: Zhang Jingui, Ka Xinping, Yu Xiaozhe, Ximin, Qi Yali. This standard was first issued in 10874 and revised for the first time in 1995. E
GA\r 8440—1998
ISO is the International Standards Organization (ISO) for the preparation of international standards by international standards organizations (ISO members): the preparation of international standards is usually launched by the ISC technical committee: each member may be interested in the project established by the technical committee and have a discussion with the committee. The official international organization can get in touch with TS and cooperate with 1. SU has a new contact with the International Electrotechnical Commission in all matters related to the standardization of electrical technology.
Technical Committee Adoption The International Standard was submitted to the Members for voting and published as a standard: 150105-XV2 by S033/S:1 Technical Committee Paper Products Subcommittee on Testing of Colored Dyes. This edition has been revised and replaced by the third edition 150105-X92:1987 [S0105] 15 years ago. Each part is indicated by a letter "part", with editions from 1975 to 1985, and each part is listed as a sheet. Each part is marked with a two-digit number (i.e., "A" or "1"). These are published as separate documents, and the original part names remain unchanged. [S105-A, dated 1975. S
1 Scope
National Standard of the People's Republic of China
Textiles-Tests for color fastness
Color fastness to carbonization: sulfuric acid
Textiles-Tests for color fastnessColour fastness to carbonization: sulfuric acidGH/T8440—1998
eI5O 105-X02:1993
GE/-84461967
This standard specifies the determination of the resistance of various types of textiles to high temperature sulfuric acid treatment. This treatment is a process for removing physical impurities.
This standard is applicable to wool and wool-containing textiles. 2 Referenced Standards
The provisions of the following standards are intended to be used in this standard as the basis for the construction of the standard. This standard is issued, the versions shown are valid, all standards are not subject to revision, the parties using this standard should use the standard to accept the new version of the six friends. G5995 color sample card for evaluating color change (idt150105a01559) GB/151-197 color fastness test for textiles (S) 165-A: 1994) 756495: color fastness test for textiles (IS) 105-01: 92) 3 Principle
The sample is treated with acid, then dried, baked, rinsed and neutralized. 4.1 Oven, the sample should be baked in 50=3% air and baked in 105℃ ±2℃ air for 3 months: 4.2 Sulfate concentration: 50g 1.H12/mL per liter (1.H12/mL). 4.3 Sodium chromium sulfate, 2 liters of anhydrous sodium sulfate. 4.4 Control standard: Standard wool dyed with IMudst Red dye (third generation).
Preparation of standard sample: wet a piece of woolen fabric, add 1% IMorl:Re3 (soft material needs the third number) 12 sodium 10 hydrate (aS, · 10FL) 3 years old Z cool (300g/), all percentages are based on the actual sample fabric; temperature is 40, bath ratio is 40:1, the liquid is stimulated in min to stagnate, and the dyeing is continued for 3min. If necessary, carefully add 15~3 light aldehyde (300g/1) or 1% definite load (relative density 1.84) of water public content to absorb the dyeing. After adding acid, boil and dye for 15min: use cold water to quickly cool down the dyeing bath: add 0.5 potassium hydroxide of the door water solution, rack the piece for 1 month until the velvet is discharged, then take the sample, rinse with water for 1 month, and dry.
4.5 The gray sample F used for evaluating color change shall comply with GB230. Guohao Quality Technology Post Fan 1998-11·26 approved 74
1999-0501 implementation
5 Test specimen
GB/T 8440—1998
5.1 If the sample is woven, take a 4cmmmF00m test piece. 5.2 If the sample is Monroe, cut it into pieces, the maximum length of the sample is 100mm, or the maximum length is 100mm, the diameter of the wire bundle is 40mm×100mm, tie the two ends,
5.3 If the sample is returned, collect the light weight, comb the thin layer of 40mm×100mm. 6 Operation procedure www.bzxz.net
6.1 Place the test bar and the control bar in the service door or rate, respectively, and connect them. 2--(i.5) Parallel test is also carried out. 6.2 Place the sample in sulfuric acid drop liquid (/.2>), bring it to the lower chamber with a diameter of 1 meter (lead ratio of 20:1), and test it with a compression test, so that the liquid content is BO slurry of its own quality
6.3 Place the sample in the supply box and bake it at 80℃=2℃ for 301mm. Or longer as needed, store it at 135T::2 yuan and bake it for 15
6.4 Rinse the sample in running cold tap water for 5 minutes, then divide it into two halves, and hang one half of the sample to dry in air at a temperature not exceeding 30 °C.
6.5 Place the other half of the sample in sodium aldehyde (4.3) with a bath ratio of 10:1 for neutralization, then rinse it in running cold tap water for 5 minutes, and keep it dry in air at a temperature not exceeding 30 °C. 66 The color sample card is not neutralized according to the standard (1. The color change sample is small. If the color change of the newly selected sample is small, etc., the test is not correct, and the test is carried out according to 6.1~5. Use new samples and new extruded standard samples for adjustment. 6.7 and gray scale to evaluate the color change of each half of the sample. The test report should include the following contents: The comprehensive number of this standard is GB/T6441:--=998h) Sample specification: The color change of the neutralized and neutralized parts of the sample is counted, 25
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