GB/T 8808-1988 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 8808-1988 | English | 110 |
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Test method for peel force of flexible laminated plastics
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GB/T 8808-1988: Test method for peel force of flexible laminated plastics---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT8808-1988
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
UDC 678.5/7.076.620.172
GB 8808-88
Test method for peel force of flexible laminated
plastics
Issued on. FEBRUARY 13, 1988
Implemented on. JULY 01, 1988
Issued by. State Bureau of Standard
Table of Contents
1 Subject content... 3
2 Principle... 3
3 Test equipment... 3
4 Sample... 3
5 State adjustment and test environment... 4
6 Test speed... 4
7 Test procedure... 4
8 Test result expression... 5
9 Test report... 5
Additional information... 6
Test method for peel force of flexible laminated
plastics
1 Subject content
This Standard stipulates the determination for peel force of various flexible
laminated plastics of plastic composite on plastic or other base materials (such
as aluminum foil, paper, fabric).
2 Principle
Perform a T-shaped peeling of the sample of a predetermined width at a
constant speed; measure the average peel force of the composite layer and the
base material.
3 Test equipment
A tensile testing machine that is equipped with a graphic recording device, or
other device that can meet the requirements of this test.
4 Sample
4.1 Sample size
Method A. width of 15.0 ± 0.1 mm, length of 200 mm. It is used in composite
films and the like.
4.2 Sample preparation
Remove both ends of the sample in the width direction by 50 mm; uniformly cut
5 longitudinal and 5 horizontal samples, respectively, along the width direction
of the sample. The composite direction is longitudinal.
5 State adjustment and test environment
The sample shall be placed in an environment where the temperature is 23 ±
2 °C and the relative humidity is 45% ~ 55% for more than 4 hours, and then
be tested in the above environment.
6 Test speed
Method A. 300 ± 50 mm/min;
7 Test procedure
Clamp both ends of the stripped part of the sample to the upper and lower
fixtures of the testing machine, respectively, so that the longitudinal axis of the
stripped part of the sample coincides with the center line of the upper and lower
fixtures, and the tension is suitable.
8 Test result expression
According to the shape of the curve that is obtained from the test (refer to the
three typical curves in Figure 2), adopt a similar value method of them.
Calculate the arithmetic mean value of each group of samples; take two
significant digits; use Newton (N) as the unit.
9 Test report
The test report shall include the following parts
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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