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D65 source, refers the morning sunlight  or afternoon?
D65 source, refers the morning sunlight  or afternoon?Jun 29, 2020

D65 source, refers the morning sunlight or afternoon?

The color of the laboratory is different. Is there any difference between the morning sunlight and the afternoon sunlight? For printing and dyeing factories, choosing the source of light is a very important thing! Standard light source operating parameters The standard light source color-matched light box is usually a combination of multiple light sources. It helps users provide simulated sunlight D65, D50, simulated shop showroom lighting TL84, CWF, U30, and home lighting F, INCA, horizontal sunlight HORIZON, For ultraviolet lamps, UV, etc., the corresponding parameters of each light source are not the same. Light source name Color temperature(K) Tone RGB Explanation A 2856 Incandescent lamp/tungsten B 4874 Direct sunlight at noon C 6774 Average/North Sky Daylight D50 5003 Light on the horizon D55 5503 Morning/afternoon daylight D65 6504 Noon Sun: TV, sRGB color space D75 7504 North sky daylight E 5454 Equal energy F1 6430 Daylight Fluorescence F2 4230 Cool white fluorescence F3 3450 White fluorescence F4 2940 Warm white fluorescence F5 6350 Daylight Fluorescence F6 4150 Lite white fluorescent F7 6500 D65 simulator, daylight simulator F8 5000 D50 Simulator, Forest City F40 Design 50 F9 4150 Cool white luxury fluorescence F10 5000 Philips TL85,Ultralume 50 F11 4000 Philips TL84,Ultralume 40 F12 3000 Philips TL83,Ultralume 30 A light source: The color temperature is 2845K, which is equivalent to the light radiated by the incandescent lamp at 2800K. Light source B: The correlated color temperature is 4800K, which is equivalent to direct sunlight at noon. C light source: The correlated color temperature is 6700K, which is equivalent to the natural light during the day, and it has more blue components. D65 light source: The correlated color temperature is 6500K, which is equivalent to the average daylight. In recent years, it is often used as a standard light source for color TVs. E light source: also known as isoenergetic white light, that is, P(l)=constant. It is a hypothetical light source that does not actually exist. It is used purely to simplify calculations in chromatics, and its correlated color temperature is 5500K. F series illuminants represent various types of fluorescent lighting. Different color temperature, different light color Color temperature Light color Feel <3000K Warm (reddish white) Steady and warm 3000-5000K Middle (white) Readily >5000K Cool type (white with blue) Cold The color is usually observed in daylight, so the fine color discrimination in industrial production requires that the lighting source must have a spectral power distribution that approximates real daylight, that is, the D65 standard light source specified by CIE, and the D65 standard light source light box is also a large market demand. A color light box. AVENO Machine Recommend: AC07 Color Matching Cabinets Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotes...

Know the standards and equipment for rubbing color fastness test
Know the standards and equipment for rubbing color fastness testMay 22, 2020

Know the standards and equipment for rubbing color fastness test

Why should we evaluate the rubbing color fastness of the fabric? When people wear clothing, the fabric and the lining will produce friction; various spliced parts will also produce friction; when relying on objects, it will also produce friction; these frictions are likely to be due to the color fastness of the friction of the fabric. The color shift will affect the appearance of the clothing. Therefore, the rubbing color fastness test is listed in GB 18401 "National Textile Basic Safety Technical Specifications" as a basic technical requirement is reasonable. Now that the color fastness to rubbing is so important, as a professional testing agency or professional testing personnel; we should have a deeper understanding of the color fastness to rubbing test to make our test results close to the true values of the samples. Common standards for rubbing color fastness test: Chinese standard: GB/T 3920 International Standard: ISO 105 X12/X16 American standard: AATCC 8/AATCC 116 Japanese Standard: JIS L0849 Type I /Type II Other national standards are not often used, and standard numbers are not listed here, just to popularize the national standard prefixes. EN EU BS United Kingdom CAN/CGSB Canada AS Australia DIN Germany NF France Commonly used equipment for rubbing color fastness test: AC04 AATCC Electronic Crockmeter AC04-2-AATCC Electronic Crockmeter AC04-3 AATCC Electronic Crockmeter AC05 AATCC Crockmeter(Rubbing Fastness Tester) AC05B AATCC Crockmeter Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

Describe in detail the test method for fastness to dry cleaning
Describe in detail the test method for fastness to dry cleaningMay 19, 2020

Describe in detail the test method for fastness to dry cleaning

In life, most people choose to send valuable clothes to dry cleaning. They think that dry cleaning can not only wash away stains, but also keep the clothes beautiful. However, in actual life, the dry cleaning of the clothes may also cause discoloration or staining of light parts. Today, we will work together to understand the test methods for fastness to dry cleaning and the product standards for common clothing to assess the fastness to dry cleaning. What is dry cleaning? Dry cleaning refers to the washing of clothes with organic chemical solvents, including a dry and dry washing method that removes oil or stains. Color fastness to dry cleaning Common methods for testing the color fastness of dry cleaning in the laboratory are: GB/T 5711-2015 "Textile fastness test for color fastness to dry cleaning of tetrachloroethylene" ISO 105 D01:2010 "Textile—Tests for colour fastness-Part D01:Colour fastness to drycleaning using perchloroethylene solvent" Experiment procedure The above two standard test methods are the same, and the test steps are as follows: Step 1: Increase the water temperature of the water bath in the mechanical device to a test temperature of 30 °C. Step 2: preparing a combined sample, the sampling size is 40 mm × 100 mm. The test object can be a garment, a fabric, a yarn or a loose fiber. Step 3: Stitch two undyed square cotton twills along three sides to make a bag with an inner dimension of 100mm×100mm, and put a combined sample and 12 stainless steel wafers into the bag for any convenience. The form of the closed pocket. Step 4: Place the bag containing the combined sample and the stainless steel disc in a stainless steel container. Step 5: Add 200 mL of tetrachloroethylene to a stainless steel container (at a temperature of 30 ° C) in a fume hood. Step 6: Cover the stainless steel container, put it into the mechanical device, start the operation, and treat it in a water bath at 30 ° C for 30 min. Step 7: Take out the bag from the container, take out the sample, squeeze or centrifuge to remove excess solvent, and hang the sample in a ventilator for drying. Step 8: The original sample and the original lining fabric are used as reference samples, and the discoloration of the sample and the staining of the lining fabric are evaluated by a gray sample card or instrument. AVENO Machine Recommend: AC10 Water Colour Fastness Tester Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

AT26 Mouth Toy Endure Tester
AT26 Mouth Toy Endure TesterJul 28, 2019

AT26 Mouth Toy Endure Tester

Mouth-actuated Toys Endurance Tester is used to test the safety performance of mouth-actuated toys. The Mouth-actuated Toys Endurance Tester blows out and inhales a certain volume of gas of the toy at a certain speed for 10 times. After testing, determination if the toy and the parts spliting away off are small parts. Standards EN-71-1 section 8.17.2 ISO 8124-1 section 5.20 ASTM F963 section 8.13 GB 6675.2 section 5.20 AVENO Machine Recommend: AT26 Mouth Toy Endure Tester (Mouth-actuated Tester) Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

AVENO-AG18 Fabric Air Permeability Tester
AVENO-AG18 Fabric Air Permeability TesterJul 26, 2019

AVENO-AG18 Fabric Air Permeability Tester

Fabric Air Permeability Tester is used to determine the air permeability properties of fabric, suitable for many kinds of textile fabrics, including industrial fabrics, textile products such as non-wovens and other breathable materials. Feature Use high-precision pressure and differential pressure sensor detection to ensure accurate data. Microcomputer processing, direct display test results, no need to manual table checking and calculation. Built-in continuous test mode, the testing unit can be switched according to need. can be operated online with the computer host computer, automatically draw real-time test data curve, easy to observe. We have two model, AG18A and B, AG18A is manual change nozzle, AG18B can automatic change nozzle, you can choose what you prefer. AVENO Machine Recommend: AG18A Digital Air Permeability Tester AG18B Automatic Air Permeability Tester    Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

How to set the test method of Hydrostatic Head Pressure Tester?
How to set the test method of Hydrostatic Head Pressure Tester?Jun 19, 2019

How to set the test method of Hydrostatic Head Pressure Tester?

Hydrostatic Head Pressure Tester is used to determine the water penetration resistance of all kinds of fabrics used for waterproofing, such as canvas, coating cloth, tent cloth, tarpaulin, rainproof clothing and geotextile materials, etc. According to the required experimental method, the parameters of the working mode such as pressurization, constant pressure timing, constant pressure timing, flexural experiment, water leakage and water leakage can be set. After each setting is completed, click to confirm and enter the working interface for experimental test. [P Rise]: Set the test sample, pressure unit, sample area, and pressurization rate. [Const P & Timing]: Set the test sample, pressure unit, sample area, pressurization rate, and end point pressure. [Const P & Time]: Set the pressure unit, sample area, pressurization rate, end point pressure, and constant pressure time. [Water Penetration]: Set the pressure unit, sample area, end point pressure, and pressure rate. [Fatigue]: Set the pressure unit, sample area, end point pressure, pressurization rate, constant pressure time, and experimental period. AVENO Machine Recommend: AG17B Hydrostatic Head Pressure Tester Contact Us Now! Sales Dept Tel: +86 15280858852 Email: sales@avenotester.com Skype: sales@avenotester.com Web: www.avenotester.com

 
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