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Crock meter –manual SL-F10
Skyline Instruments (China)
June 18th, 2014
Country of Origin
: Skyline Instruments
Crock meter –manual
Colour Fastness of dyed or printed fabrics against perspiration is determined by exposing the fabric sample to the action of both alkaline and acidic reagents while in contact with undyed adjacent fabrics is placed between plastic plates under a fixed load inside an oven maintained at 370 centigrade. The apparatus used for this test is called the Perspirometer.
consists of a number of acrylic plates and which can be kept in suitable loading frame. The loading frame consists of two steel plates between which the acrylic plates placed. The test specimen are stitched between suitable white cloth pieces and dipped in either alkaline or acidic test solutions. The composite sample is placed in between any two acrylic plates. A number of test specimens can be loaded simultaneously between different sets of acrylic plates by stacking them one above the other. Loading is done by keeping a standard dead weight on top of the upper plate assembly, which consists of two parallel plates separated by suitable compensating springs. The guide rod attached to top plate of this assembly is locked while under load and the load removed. The springs compensate for subsequent variations in load due to variation in thickness of the test specimens on drying.
The test is continued for the required time under the specified condition of temperature. After this the samples are removed from the frame and dried. The degree of staining of the while pieces of cloths and change in colour of the test specimens are evaluated using Grey Scales and compared against standard rating cards.
All the components are made of stainless steel and are finished in black stoving enamel paint to give them a corrosion resistant finish.
Diameter of the Finger
16 mm for Textiles / 25 mm for floor covering.
Load on the finger
Length of travel of the finger
100 + 3 mm
Size of the test specimen
200 x 50 mm
RELATED STANDARDS :
IS 766 - 1988
Method of Determination of colour fastness of textile materials to rubbing.
AATCC Method 8 – 1969
Colour Fastness to Crocking (Rubbing)
ISO RIOS (X12) – 1984
Textiles - Test for colour fastness part.Part X12 - Colour Fastness to rubbing.
IS 6191 - 1971
Methods of Micro-Biological colour fastness and Microscopical tests for leather.
Skyline Instrument (HK) Co.,Ltd is a manufacturer of laboratory and sample dyeing testing equipment as well as quality control testing instruments. We have provided value added support services like lab layout, calibration testing procedures / standards, recording techniques and operations of equipment, etc. With a network of representatives providing sales and technical support world-wide
Skyline Instruments has achieved good repute in the fields of textile testing equipments, toy testing equipments, furniture testing and other measurement test equipments.
Skyline has been the worlds No 1 testing equipment supplier. As a global leader in testing equipments skyline’s mission is
“ To provide innovative, clean and effective testing solutions for better tomorrow”.