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Textile laboratory – fiber testing

Author:QINSUN Released in:2023-06 Click:147

Introduction to Textile Laboratory

Nowadays in all countries All over the world they put committed to environmentally friendly textiles, and more and more textiles and clothing for environmental protection are appearing on the market. Through some standard tests, it has become the development direction of brands and trading companies to meet the international requirements for textiles and apparel. Textile testing Laboratory tests include composition, color fastness, strength, pH, formaldehyde, etc. According to material classification, can also be divided into fiber test, yarn test and fabric test.

Currently there are mainly 6 famous textile universities in China, viz Donghua University, Tianjin Polytechnic University, Soochow University, Jiangnan University, Zhejiang Polytechnic University and Wuhan TExtile University. These universities have their own independent textile laboratories. Donghua University Textile Test Center serves as an example to introduce relevant instruments for experimental testing.

Donghua University Textile Experiment Center is an experimental base for experimental teaching, basic professional training and scientific research. It consists of three functional areas: textile testing, textile technology and textile CAD. All kinds of testing instruments for textile raw materials, semi-finished products and finished products are completely equivalent, long fiber spinning, short fiber spinning, weaving, knitting, nonwoven and other main process equipment, basic complete sets, with biomedical textile materials, textile structural composite materials, professional laboratory. At the same time, it has two standard computer rooms with high-end configuration and auxiliaryfacilities testing equipment such as flow field, high-speed photography, precision testing equipment, proceduresSing chemistry and testing chemistry, etc. Donghua University Textile Testing Center has obtained the CMA qualification for testing fiber, yarn, textile products and their products. In this article, fiber length measurement, fiber fineness measurement, fiber crimp property assurance, fiber tensile property measurement, fiber resistivity, fiber moisture recovery, fiber identification. Various aspects of introducing fiber testing equipment.

Fiber Length DeterminationKX730 Fibrograph


The KX730 Fibrograph is used for the accurate and quick determination of the mean ascender half mmean length and regularity index of cotton fiber sample by photoelectric method.

This instrument is based on the random contribution theory of cotton fiber length and also based on the theory that the light intensity passing through the fiber bundle has a negative correlation with the number of fibers in the fiber bundle cross section.


ASTM D1447 GB/T 20392 GB 1103


Standard length ruler and optical calibration cards are convenient for operators to perform the hardware calibration and self-check of this instrument. A specially developed sampling device with complete accessories is supplied for sample preparation, with which the test beard can be easily prepared.


Y111 Roll Fiber Length Tester

Standards: GB/T6098

Key specification

Fiber draw-off unit


Front roller diameter φ8mm Rear roller diameter φ16mm Covered roller diameter φ17mm Velvet winding roller diameter φ66mm Distance between input roller and output roller 16mm~60mm

Fiber analyzer

Input roller diameterφ19.1mmRubber roller diameter12mmFiber roller diameter10mm

Y131 comb sorter

comb sorter


Y131 comb sorters are used to generate staple charts for fibers up to 50mm in length, suitable for wool fibres.

Standards :

ISO 920-1976 FJ533-85

Key Specification

Compartment width10mmNumber of compartments31

Fiber fineness determinationJN-B series Torsion balance


The JN-B series torsion balance is a kind of sensitive precision measuring instrument for weighing small objects. It finds application in electronics, textile, metallurgy, land economy, industry and other fields.


Adopt the principle of combining elastic elements, no mechanical wear of the fulcrum, high sensitivity;

No need Weight when working, measured value can be read directly, Simple operation, quick reading.

JN-B series torsion balance

Key specification

Model no. Measuring range (mg) Graduated value (mg) DimensionN (mm) Weight (kg) 25000~2500 5250×210×3605

Y171 Series Fiber Cutter

Y171 fiber cutter


Fiber Cutter is designed to cut fiber, yarn, cotton and other materials into cross-sectional slices and then look at them with a microscope.


Nice shape, easy to use. The cutting body is made of stainless steel and can be used for durable use.


Key specification

ModelY171AY171BY171CY171DBlade Width10mm20mm25mm30mmLBlade Length: 45mm, 45mm, 45mm, 45mm.

Y175 Series Cotton Fineness Meter/Micronaire Tester

Y175 Micronaire Tester


Y175 Series Cotton Fineness Meter/Micronaire Tester, used to determine the micronaire value of cotton fiber. Using the balance, weigh a test sample of a mass suitable for the air flow meter (8 g), pack the test sample evenly into the compression cylinder, and then position the compression piston. Using the air pump or other suitable means, air flows through the sample at a pressure suitable for the air flow instrument and note the reading on the scale.

Standards: ISO 2403 ASTM D1448 GB /T 1103, 6498



Low-noise air pump; Display can regulate scale and show test value; Easy to operate and read the test result; High precision; Collectiveweighing, test integration;


Show the micronaire value and grade directly on the LED display or show the micronaire value, grade number (m/g) and the test time operated online on the PC display on; high precision test result better than all similar instruments, up to 0.05 micronaire value; automatic weight correction function, expands the sample range from 7.51g to 8.50g, allows for much faster and more accurate test results; all in all you are testing a specification Takes only a few seconds; Equipped with a high-quality air pump, ensures constant airflow; Adopt PC online technology, data can be processed by software, and the micronaire value is easy to calibrate, easy to operate, run a test at high speed; With data storage, query, classification, statistics and printing function via software;

Key specification

ModelY175Y175-IDisplay ModeDialDigitalRange2.5~6.5 Micronaire Value2.5~6.5 (Standard Mode) 2.9~6.5 (With Weight Correction)Accuracy0, 1 micronaire value0.05 micronaire valueWeighing Accuracy±0.016g±0.01g Rectangle Weight8g8g

YG002C Series Computerized Fiber Fineness Analysis System


The YG002C series computerized fiber fineness analysis system is suitable for quickly determining fiber diameter or cross-sectional area in laboratories. The instrument combines an optical microscope and a computer via a high-resolution industrial camera. The fiber diameter and cross-sectional area can be tested completed by professional analysis software, and the content of each fiber in the fiber mixture can be measured.


ISO 137,17751 AATCC 20A

< /noscript><figcaption>Delicacy and content analysis system</figcaption></figure></div>< /div></div><p><strong>Feature:</strong></p><p>< strong>YG002C</strong></p>Suit for determining the diameter of all kinds of fibers, adopt projection microscope method. Meet the requirements of ISO 137, IWTO-8, GB/T 10685, etc. Professional analysis software, data output and report forms via EXCEL.<p><strong>YG002C1</strong></p> It includes all the functions of YG002C . Suitable for determining the content of blended products (natural fiber blends). Fiber content can be determined by analyzing the individual fiber configuration and diameter of blended products. Meets the requirements of ISO 17751, GB/T 16 988, etc. Provide the image database of special animal fibre, man-made fibre, cotton and hemp fiber to identify the differento promote operator\'s ability.<p><strong>YG002C2</strong></p>It includes all the functions of YG002C1. Suitable for determining the section configuration and cross-sectional area of ​​all types of fibers. Meets the requirements of AATCC 20A, FZ/T 01101, etc.< p> <strong>Key Specification</strong></p><figure class=\"wp-block-table is-style-stripes\">Model No.YG002CYG002C1YG002C2Test MethodProjection Microscope -MethodProjection Microscope Method1) Projection Microscope Method 2) Cross Section Method Main Test ObjectDiameter ContentDiameter Content Cutting RangeMeasuring Range2~200um±0.5um(adjustable)2~200um±0.5um(adjustable)2~200um±0.5um(adjustable)Repeatability±0.1um ±0.1um±0.1umObjective LensStandard 4×, 10×, 20×(Optional: 40×, 100×)Standard 4×, 10×, 20×(Optional: 40×, 100×)Standard 4×, 10×, 20×(Optional: 40×, 100× )</figure>Y172 fiber microtome (Hardy)<div class=\"wp-block-columns\"><div class=\"wp-block-column\"><div class=\"wp -block-image\"><figure class =\"aligncenter size -full\"><noscript>


Fiber Microtome (Hardy). For the production of fiber cross-sections of different thicknesses from 20 µm for microscopic examination, measurement and identification.


ISO137 BS 2043 ASTM D2130



High quality blade for long service life; Portable design, easy operation; Polished metal surface, beautiful and durable.

Important specifications

Slice area 3×0.8mm Minimum slice thickness 20µm

ZK100F fiber fineness tester (vibroscope method)


The fiber count tester ZK100F (vibroscope method) is suitable for determining the linear density of individual fibers using the vibroscope method. Heis widely used in man-made fiber, textile, etc. manufacturing plants, testing organizations and scientific research units.

The mA main working principle is to determine the natural vibration frequency of the fiber under a certain vibration length and stress, and then automatically calculate the linear density of a calculate and display individual fibers.


ISO 1973 GB/T 16256, 14335

Vibration method


Adopt the principle of string vibration, directly display individual linear density, mean value and vibration coefficient; Microprocessor control, high accuracy, quick test, easy to use; Can be connected to a printer.



Precision flow sensor enables a wide range of wool fineness measurement, the widest is series of instruments for testing wool fineness using air flow method; Quick test: insert sample → press test button → quick that Result obtained; The instrument with USB cuttelle can issue test reports about the computer; Convenient calibration. Users can accurately test wool fineness value by calibrating using standard wool (optional).

Key specification

Measurement range12~50 μm measurement accuracy 0.1 μm (standard laboratory environment) test time average 15 seconds sample mass (2.5±0.004)gPC communicationUSB port connection

Determination of fiber crimping propertiesYG362B Fiber Crimp Elasticity Tester

Fiber Crimp Elasticity Tester
Application: The YG362B Fiber Crimp Elasticity Tester is specially designed for automatic determination of the crimping performance of individual natural fibers and man-made fibers. He is frequently used in the production is used by companies, testing organizations and scientific research units for man-made fibers, textiles, etc.

The instrument uses a tension charger to apply different loads to the fibers. After reaching the specified load, the displacement length is recorded by a monolithic microcomputer and automatically calculates crimp ratio “J(%)”, crimp recovery ratio “JW(%)” and crimp elasticity ratio “JD(%)”. The instrument can displayy test results by LED digital display and also print out test results by built-in printer.



Standards: GB/T 14338



The structure is simple and mainly consists of three parts: main machine, sample clamps and fiber processor (clamp); specially developed sample clamps with the following features:

Consists of two clamps, the total thickness of the clamp is 11.8mm when two clamps are in close contact (zero gauge length) and the Thickness of the spacer is 3.2mm for testing with a gauge length of 3.2mm. Allow the operator to perform perfOrm checksng with zero gage length or 3.2mm measurement. Made from high hardness steel material; Seal the clamp face seal well and avoid damaging the specimen or slipping during the test; High quality with large number of customers including UsterTM.

Specially designed clamp vise with the following features:

Used to process fiber bundling and holding the clamps while fiber bundle is loaded into the clamps. There is a jaw pressure wrench on the side for attaching or removing the clamps. Enables a much faster check. We are the original manufacturer of this clamp vise.

There is a load scale in pound-force on the beam. The breaking load of the fiber bundle can be read immediately after the test is completed; with level to reduce experimental errors.

WImportant Specifications

Clamp thickness 11.8mmSpacer thickness 3.2mmBreaking load range5~20lbf, accurate to 0.1lbfToughness correction factor0.9 ~1,1

Determination of fiber specific resistance DW0180 fiber specific resistance tester

Fiber Specific Resistance Tester


DW0180 Fiber Specific Resistance Tester is used to determine the resistance of various manmade fibers under the condition of a specific weight.

Key Specification

Measurement range106~1013ΩPower supplyAC220V 50Hz

Fiber Moisture Return DeterminationY412B Raw Cotton Moisture Regain Tester

Application:<!-- Y412B strong moisture regain tester for raw cotton is used to determine moisture recovery of fluff cotton used by electrical resistance method.

Standards: GB/T 6102.2

Key Specification

Test methodElectrical resistanceDisplayDialMeasuring rangeUpper layer 7% ~ 12% Middle layer 4% ~ 7% Bottom layer 9% ~ 15% Test pressure735 N ± 49 N