GB/T 14270-2008 English PDF

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GB/T 14270-2008: Test method for fiber type content of hair fibers
Status: Valid

GB/T 14270: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 14270-2008	139	Add to Cart	3 days	Test method for fiber type content of hair fibers	Valid
GB/T 14270-1993	199	Add to Cart	2 days	Test method for determination of wool fibre type content	Obsolete

Similar standards

FZ/T 70009   FZ/T 20018   GB/T 45641   GB/T 14271   GB/T 14271   

Basic data

Standard ID: GB/T 14270-2008 (GB/T14270-2008)
Description (Translated English): Test method for fiber type content of hair fibers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W21
Classification of International Standard: 59.060.10
Word Count Estimation: 6,624
Date of Issue: 2008-08-20
Date of Implementation: 2008-12-01
Older Standard (superseded by this standard): GB/T 14270-1993
Quoted Standard: GB/T 6978; GB/T 8170; GB/T 14269
Adopted Standard: IWTO 8-1997, NEQ; IWTO 57-1998, NEQ; ASTM 2968, NEQ
Regulation (derived from): National Standard Approval Announcement 2008 No.14 (Total No.127)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the method of plush fiber type content tests. This standard applies to the plush fibers.

GB/T 14270-2008: Test method for fiber type content of hair fibers

---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 fiber type content of hair fibers ICS 59.060.10 W21 National Standards of People's Republic of China Replacing GB/T 14270-1993 Plush fiber type content of the test method Posted 2008-08-20 2008-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard IWTO-8-97 "microscopic projector and determination of wool fiber diameter distribution of wool and other animal fibers marrow percentage of square Law ", IWTO-57-98" OFDA Determination of wool and mohair wool in the medulla "and ASTM2968IWTO-8-97" Using Micro Projector Measured wool and other animal hair fibers myelinated and Methods "dead hair of non-equivalent. This standard replaces GB/T 14270-1993 "type of wool fiber content of the test method." The main difference compared with the standard GB/T 14270-1993 as follows. --- Expanding the scope of application (1993 Edition Chapter 1; Chapter 1 of this edition). --- When producer fiber segment length from 0.2mm ~ 0.6mm to 0.4mm ~ 0.8mm (1993 Version 9.1.1; edition 8.2.1). --- Increased sealing agent, slides and cover slips requirements (Excerpts of 5.2, 5.3). This standard is proposed and managed by China Fiber Inspection Bureau. This standard was drafted. Fiber Inspection Bureau Inner Mongolia Autonomous Region. The main drafters of this standard. Tian Wenliang, Zhouqiao Min, Wang Haibo. This standard replaces the standards previously issued as follows. --- GB/T 14270-1993. Plush fiber type content of the test method

1 Scope

This standard specifies the method of test plush fiber type content. This standard applies to pile fibers.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6978 Greasy hair wash test method oven method GB/T 8170 numerical rounding rules GB/T 14269 wool test sampling methods

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 By the scale layer and cortical layers, without medullary layer of wool fibers. 3.2 By the scale layer, the cortex and medulla layers and medulla has a continuous length and a width of wool fiber. 3.3 Both myelinated and unmyelinated hair hair two tissues of the hair fiber structure. 3.4 Usually Chengbian fiber ribbon, bone white color, dull, stiff, there was a small number of lead wire curved; these fibers into the benzene solution is clearly visible; Appears in the projection screen fiber canal, the canal and the continuous length in 25mm and above, 60% of the width of the canal width and with a total fiber On those. Principle 4 According to the organizational structure of the wool fiber and plush differences in appearance and form, with the fibers refractive degree in benzene solution was observed shape State; or 500 times magnification observation fiber segments projected lateral extent of marrow. Get all kinds of plush fiber content by gravimetric method or the number of law. 5 apparatus, instruments and reagents 5.1 Instrument Analytical balance (division value 0.1mg), constant temperature oven, micro projector. Tools 5.2 Tweezers, velvet boards, dish dryer, slides (size 76mm × 35mm), coverslips (size 24mm × 24mm, thickness ......

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