This standard specifies the method for determining the oil resistance of paper and paperboard for food packaging. This standard applies to oil-proof paper for packaging oily foods. GB/T 5406-2002 Determination of oil permeability of paper GB/T5406-2002 Standard download decompression password: www.bzxz.net

CB/T5406—2002
This standard is a revision of GB/T5406--1985 Determination of oil permeability of paper. This standard replaces GB/T5406--1985 from the date of implementation. This standard is proposed by China Light Industry Federation and is under the jurisdiction of the National Technical Committee for Standardization of Paper Industry. Drafting unit of this standard: China Pulp and Paper Research Institute. Main drafters of this standard: Chen Xi, Li Lanfen, Wang Huajia, Song Chuan. This standard was first issued in 1985.
This standard is entrusted to the National Technical Committee for Standardization of Paper Industry for interpretation. Scope
National Standard of the People's Republic of China
Determination of oil permeability of paper
Testing method of oil permeance for paper This standard specifies the method for determining the anti-rolling properties of paper and paper sheets for food packaging. This standard applies to oil-proof paper for packaging of oily foods. 2 Reference standards
GB/T 5406-2002
Replaces GB/T 5406-1985
The following standards contain clauses that, through reference in this standard, constitute clauses of this standard. The versions shown are valid at the time of publication of this standard. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB7450-2002 Standard atmospheric conditions for the treatment and testing of paper, paperboard and pulp samples (ENVIS186:14) GB/T10739-2002 Standard atmospheric conditions for the treatment and testing of paper, paperboard and pulp samples (ENVIS187:1990) 3
Oil permeant
The mass load of standard oil permeating from an area of ​​paper in a certain time under constant humidity and pressure conditions, expressed in grams per square meter. bzxz.net
Inside the oil cup mouth 112.8=0.1)mm.
Standard 25 transformer oil temperature (20+1) , viscosity is (1-7-~1,8)×10-*Pa·s[(17-~18)eP]. Qualitative filter paper with a diameter of 25 mm should be placed under standard atmospheric conditions, 4.4 Fenxi Da with an accuracy of 0.1
5 Instrument calibration
5-1 Adjust the instrument to a horizontal level,
5.2 Calibrate the pressure gauge regularly, if there is an error, adjust or repair it. 5.3 Fill the cup with 40 mL of agent, cover the cup mouth with oil-proof paper, and line it with three layers of filter paper. Press the cup cover tightly, turn it over 180Y:, and pressurize it to 49kPa, then continue to discharge, the pressure should be reduced by 2kPa, and it should not leak from the outer edge of the cup mouth. 5.4 Use a stopwatch to calibrate the time relay regularly, if there is an error, adjust it, and the accuracy should be (300±2). 6 Sample collection and processing
6.1 Sample collection shall be carried out in accordance with GB/T 450. 6.2 Sample processing shall be carried out in accordance with GB/T10739, and the sample preparation and testing shall be carried out under standard atmospheric conditions. 6.3 Cut 126mm×120nt samples uniformly along the transverse direction of the paper web, and at least 3 pieces are required on the front and back sides. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on September 6, 2002 and implemented on January 1, 2003
7 Test procedures
GN/T 5406--2002
7.1 Fill the oil permeation cup with 40 ml of standard transformer oil (+.2).7.2 Place the sample on the oil permeation cup 11, with a layer of filter paper with an accurate scale of 0.000 1& on the top, then cover the cup with a lid and press it tightly.7.3 Turn the oil permeation cup 180 degrees to make the transformer oil cover the paper surface. At the same time, start timing, and quickly use a pressure ball to inflate the cup to 49kPa+. The filling and filling operation time should not exceed 1 (Note: Other test pressures can be selected according to the characteristics of the sample, but it should be noted in the test report. 7.4 When the timing reaches 5min, immediately release the pressure, turn over the oil cup, take out the paper within 10s, and then weigh it with an accuracy of 0.0001g. 7.5 After measuring the metal specimen of each sample, pour out the used oil in the cup, replace it with new oil and start testing the next sample. The calculation of the results
Oil permeability g/m\) should be based on (1) Calculate (g/m)
wherein; m is the mass of the filter paper before oil absorption, .; the mass of the filter paper after oil absorption·g;
the area of ​​the oil cup, m
......
The arithmetic value of the measured values ​​of the positive and negative sides is used to report the results, and the calculated results are rounded to three significant figures. Test report
b) The test time used in the test; c) The arithmetic mean value of all the measured values ​​of the positive and negative sides (rounded to three significant figures) and the coefficient of variation; d) Any test conditions that deviate from this standard. Follow the crane
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