Gakushin Type Rubbing Fastness Tester is a standard testing machine of the Type II rubbing tester (GAKUSIN TYPE) specified in JIS L0849 Test Method of Rubbing Fastness in JIS Textile-Tests For Color Fastness. It is applied to determine the color resistance of dyed or printed textiles to rubbing thus providing evidence for textile products R&D and acceptance inspection. It is reported that this tester is stricter than the ordinary horizontal reciprocation rubbing color fastness tester whose evaluating results are worse with the same specimen tests. Textiles exported to Japan should present test results by this device. 50mm rub heads and auxiliary weights are equipped for cardboard rubbing resistance tests.

Features
1. By changing optional accessories, it is versatile for a variety of specimens tests such as flocking resistance test for flocking, color fastness for artificial leather, rubbing resistance for cardboard, fastness for printing ink and coating, etc.; horizontal reciprocation rubbing color fastness test can be carried out by changing the test bed.
2. Test cycles can be set (electronic), automatic counting; start buzzing after counting finished.

Standards
JIS L0849, JIS L1084, JIS L0862, JIS P8136, JIS L1084

Specifications
Model  :238D
Stations :6
Rub heads:Curved surface R45mm, width 20mm
Rub heads load:2N
Rub area length:100mm
Reciprocal speed:30rpm
Load weight:300g,500g,800g
Rub cloth fixing method:Spring clip
Counter: 220V, 50Hz

Configurations
Base unit
G238D      JIS rubbing color fastness tester
23803       Abradent fabric*1 box, 1000 pieces/box

Optional parts
238D1:   Planar rub heads
238D2:   Planar test bed
238D3:   R50mm rub test (JIS P8136)
238D4:   R1.5mm rub test(JIS P8136-flocking strength)
SZ320:    #320abrasive paper
ZS:         Grey scale (staining)-ISO/BS standard
23807:    Grey scale (staining)-AATCC standard