How dry or wet rubbing Crockmeter Works ?

Crockmeter machine to test the color fastness of textiles to dry or wet rubbing. Also named rubbing fastness tester.In the crocking test, a reliable Crockmeter plays a vital role in the repeatable and reproducible results.


How Crockmeter Works?（dry or wet rubbing test）


1. Dry Rubbing:


1.1 Properly mount your specimen and test cloths. The counter has to be reset by moving the knob on the left side of the counter. The finger is positioned on the specimen at the base's front end and handle is rotated in the clockwise direction at the rate of approximately 1 revolution per second. The handle is then rotated equal to the number of strokes specified by the test method.


1.2 When the desired number of strokes is reached, the crocking cloth is removed from the finger and its degree of staining has to be evaluated by SDC grey scale.


2. Wet Rubbing:


2.1 A fresh piece of crocking cloth is soaked in distilled water and the excess water is removed so that it contains its own mass of water.


2.2 The wet piece of the crocking cloth is fixed over the end of the finger of the Crockmeter and the test is undertaken.


2.3 The dyed or printed fabric has to be mounted on a lower platform.


2.4 Then 10 cycles are rubbed with a white fabric, which is mounted on a peg in the upper rubbing arm.


2.5 Then the extent of color that rubs away onto the white fabric against a color transference scale has to be determined.


2.6 The rubbing action of the peg+ enabled fibers from the upper colored flannel fabric surface to be transferred onto the white backing fabric mounted on the lower platform.


2.7 The cloth is then removed to evaluate the discolor level in comparison with a gray-scale.

Comments

Post a Comment

Popular posts from this blog

How to choose a five-star hotel mattress suitable for healthy sleep?

When working outside on a business trip, the hotel is our homestay and residence, so how much do you know about the mattress es used in the hotel? How to choose a five-star hotel mattress suitable for healthy sleep? How to choose a five-star hotel mattress ? The hotel will set up different types of rooms according to different needs and uses of guests. The room classification standards of hotels in different regions, different levels, different types, and different brands are not uniform. There are single rooms, standard rooms, double rooms, suite rooms, apartment rooms, and presidential suites. In addition, some characteristic hotels have characteristic rooms. There are two ways to choose a hotel room mattress :  First, look at the elasticity of the mattress. In order to identify whether the mattress has good elasticity, you can use your knee to test the bed surface, or sit down in the corner of the bed and try to see if the compressed mattress will quickly return to its original shap
Read more

What Is Color Matching Booth?

What is color matching booth? Color Matching Booth is used to assess color difference under different light sources. Light booth for color matching is widely used in textiles, toys, dyeing, plastics, paints, inks, printing, pigments, chemicals, footwear, leather, cosmetics, etc. and other color industries for goods color deviation. Gester is Colour Matching Cabinet Manufacturer and supplies it in affordable price. Gester colour matching cabinet meets standard of ASTM D1729, ISO 3664 and etc. Find more color fastness tester here to complete your test! Principle: Different color would appear on test samples due to the different energy radiant of different light sources. Usually, colour matching cabinet would have TL84 light source, D65, UV, F/A, CWF, U30. More light sources like D50, U35, TL83 and etc are available. Operator may assess the color difference by switching the light sources. What lighting is best for color matching? The best "true daylight, color balanced" fluor
Read more

About ECO BOOM Marketing Support

ECO BOOM is an eco-friendly brand committing to making humans live healthy and are a professional diaper manufacturer and baby wipes supplier. We now have bamboo diapers ,plant-based diapers, bamboo baby diapers,bamboo biodegradable diapers,bamboo pants, bamboo kitchen paper, bamboo baby wipes and bamboo toilet paper. By using 100% biodegradable bamboo fiber, ECO BOOM nappies are taking one small step to sustain the planet. We believe a little change for the diaper would be a big change for the world. We believe that babies are the future of the world, in addition to life, the best gift we can give is to provide them a healthier growth environment, a greener planet. We're not perfect, but ECO BOOM diaper manufacturer work hard every day to bring everyone premium products while reducing plastic waste. Join Us! Help us be a part of the solution, not part of the pollution. ECO BOOM has a professional marketing team composed of salesmen, senior designers and brand planners. We will pr
Read more