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Chinese Standard: 'YBB00122003-2015'
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Standard ID YBB 00122003-2015 (YBB00122003-2015)
Description (Translated English) (Determination of heat seal strength)
Sector / Industry Medical & Pharmaceutical Packaging Industry Standard
Classification of Chinese Standard C08
Word Count Estimation 1,132
Date of Issue 2015-08-11
Date of Implementation 2015-12-01
Older Standard (superseded by this standard) YBB 0012-2003
Regulation (derived from) China Food & Drug Administration Announcement 2015 No.164

YBB 00122003-2015
YBB 00312003-2015
Test for Welding Strength
Issued by. China Food and Drug Administration of PRC
Test for Welding Strength
This Standard applies to the determination of the welding strength of plastic welded to plastic
or other base materials (such as aluminium foils) and the welding strength of plastic
compound bags.
Specimen preparation
Material. in accordance with the welding conditions specified for a product, test specimens
are welded on heat seal tester. Cut 5 test specimens of 15.0 mm ± 0.1 mm in width in the
longitudinal and lateral directions apiece from the middle of welding.
Compound bag. as shown in Figure 1, cut altogether 10 test specimens of 15.0 mm ± 0.1
mm in width from the side, back, top and bottom of compound bag, in the direction
perpendicular to the welding part. The difference in the number of test specimens taken from
all parts shall not be greater than 1. The spread length is 100 mm ± 1 mm; if the spread length
is less than 100 mm ± 1 mm, adhesive tape may be used to adhere the material the same
as that of bag to make the spread length of test specimens meet the requirement of 100 mm
± 1 mm, as shown in Figure 2.
Test specimens shall be stored for 4 h in the environment of temperature 23°C ± 2°C, relative
humidity 50% ± 5%; they shall be tested under such conditions.
Method for determination
Take test specimens centred on the welding part; open to 180°; fix both ends of test
specimens to the two clamps of tester. The axis of test specimens shall coincide with the
centre line of the upper and lower clamps; an appropriate degree of tightness is required in
order to prevent test specimens slipping or rupturing in the clamps before test. The spacing
between the clamps is 50 mm; test speed is 300 mm/min ± 20 mm/min; read the maximum
load at the time of separation or rupture of test specimens (with the indication error of tensile
tester controlled within ± 1%).
If test specimens rupture in the clamps, then they are abandoned and test specimens are
taken once again for a retest.
Result evaluation
Test result is expressed by the arithmetic mean value of 5 test specimens in the longitudinal
and lateral directions apiece for materials, or the arithmetic mean value of 10 test specimens
taken from different welding parts for compound bags, as the welding strength of the test
specimens, in N/15 mm.

YB B00122003-2015
(Determination of heat seal strength)
Heat sealing strength method
Rehe Qiongdu Cedingfo
Test for Welding Strength
This method applies to the heat of plastic in plastic or other substrates (such as aluminum foil, etc.) on the heat sealing strength and plastic composite bag heat
Determination of strength.
Sample preparation
Material. According to the product under the provisions of the heat conditions, the sample heat sealing instrument on the heat. From the middle of the heat integration
To each other, 15.0 mm ± 0.1 mm wide.
Composite bag. As shown in Figure 1, in the side of the composite bag, the back, top and bottom, and the heat of the part in the vertical direction
Cut a total of 10 samples of 15.0 mm ± 0.1 mm wide, the number of sampling parts of each part shall not exceed one. Expand length
100mm ± 1 mm, if the expansion length of less than 100mm ± 1mm, as shown in Figure 2, with adhesive tape and bag the same
Material, so that the length of the sample to meet the requirements of 100mm ± 1mm.
The sample should be placed at a temperature of 23 ° C ± 2 ° C and a relative humidity of 50% ± 5% for 4 hours or more and under this condition
Line test.
Determination of the sample to take the heat to the site as the center, open 180 °, the two ends of the sample caught in the test machine two
The specimen axis shall be coincident with the centerline of the soil fixture and shall be elastically suitable to prevent the test specimen from slipping off
Broken in the fixture. The distance between the clamps was 50 mm and the test speed was 300 mm/min ± 20 mm/min.
Or the maximum load at break (tensile test machine......
Related standard:   YBB 00122004-2015  YBB 00122005-2015
Related PDF sample:   YBB 00132004-2015  YBB 00162003-2015
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