This standard specifies the water brushing test method for aluminum foil. This method is applicable to the inspection of the degreasing condition of the aluminum foil surface. YS/T 455.4-2003 Aluminum foil test method Part 4 Water brushing test method for aluminum foil YS/T455.4-2003 Standard download decompression password: www.bzxz.net

YS/T 455.4—2003
"Standard for testing aluminum foil" is the standard for pure aluminum foil used in industry. It is based on EN546.4:107 Aluminum and its alloys 3.1S02758:1983 Standard for testing aluminum foil.
-1 Determination of cracks in products 3.ASTM H-79:22 Soft protective layer of aluminum foil This standard is the first required standard in the series of standards for testing foil. It contains the following six parts: YS/T1.1—20078 Aluminum foil test method New foil surface test method YS/T155.22003 Lead foil test method Hole inspection method Y%453.8—2003 Aluminum foil test method: Aluminum foil adhesion test method YS/T155.22003 Lead foil test method S/T455.42((lead box test method
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YS/155.62003 box test flow book sales related test methods 3 This standard is proposed by the National Standardization Technical Committee of the United Nations, and this standard is drafted by the National Metallurgical Association Technical Committee: North China Aluminum Co., Ltd. This standard is drafted by: Ran Mingjue, Kong Yangjie, Yi Yu, Jie, Xie Angang, Zhang Shenwen, Liang Jianchu. This standard is issued by the Nonferrous Metals West Standardization Technical Committee 1 Fan Min
aluminum foil test method
Part 4 Aluminum foil water brushing test method| |tt||This international standard specifies the water brushing test method of calcium foil. The calcium method is suitable for checking the degreasing condition of lead foil surface. 2 Principle of the method
YS/I455.4—2003
This method is based on the principle of different wettability of certain materials. Three different test methods are selected to test the aluminum foil surface. In order to define the surface degreasing condition of aluminum foil. 3 Reagents and materials
3.1 Distilled water;
3.2 Alcohol (pure)
3.3 Degreasing ball;
3.2 Bottle.
4 Preparation of test solution
Table 1 Transfer the distilled water and alcohol to prepare test solutions of different types respectively, and put them into test bottles for use in Table 1
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5 Test solution Sensitive parts
5.1 Carry out the test under normal leakage conditions.
5.2 Double aluminum tubes are selected for dark testing. The outer foil error rate is 3mm.
6 Test method
Period?mL
Western condition L
First, use a ball to take the prepared No. 1 test liquid (i.e. hot water) along the width direction of the tube to test the surface, and then tilt the fan collar 3(0) (with the vertical direction> to observe the streamline shape. If the test liquid is in a flowing state and the surface does not shrink, the surface is good. The test box corresponds to the test. If the test liquid is obviously absorbed or can continue to be washed, the ball test should select No. 2 until the No. 1 test liquid enters the test.
7 Grade judgment
The judgment of the water test shall be in accordance with the provisions of Table 2. 1
YS/T 455.4—2003
Test selected
Excitation brush test rack female surface condition
Test effectiveness shallow state, on the wet basis in the non-shrinkage test monitor reduced to the energy state, the wet basically does not accept the test report pad high setting state, the wet basically does not accept the comprehensive
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