QB/T 5077-2017 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| QB/T 5077-2017 | English | 105 |
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Thermal transfer for color belt with biaxially oriented polyethylene terephthalate film
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QB/T 5077-2017: Thermal transfer for color belt with biaxially oriented polyethylene terephthalate film
---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/QBT5077-2017
QB
LIGHT INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 83.140.10
Classification No.: Y28
Filing No.: 57110-2017
Thermal transfer for color belt with biaxially oriented
polyethylene terephthalate film
ISSUED ON: JANUARY 09, 2017
IMPLEMENTED ON: JULY 01, 2017
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Requirements ... 5
4 Test method ... 6
5 Inspection rules ... 8
6 Marking, packaging, transportation, storage ... 10
Thermal transfer for color belt with biaxially oriented
polyethylene terephthalate film
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking,
packaging, transportation, storage of thermal transfer for color belt with biaxially
oriented polyethylene terephthalate film.
This standard is applicable to thermal transfer for color belt with biaxially oriented
polyethylene terephthalate film (hereinafter referred to as film), which has a thickness
of 4 μm~12 μm, as made of polyethylene terephthalate as the main raw material and
using a biaxial stretching process.
2 Normative references
The following documents are essential to the application of this document. For the dated
documents, only the versions with the dates indicated are applicable to this document;
for the undated documents, only the latest version (including all the amendments) is
applicable to this standard.
GB/T 1040.3-2006 Plastics - Determination of tensile properties - Part 3: Test
conditions for films and sheets
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1:
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 2918-1998 Plastics - Standard atmospheres for conditioning and testing
GB/T 6672-2001 Plastics film and sheeting - Determination of thickness by
mechanical scanning
GB/T 6673-2001 Determination of length and width of plastics film and sheeting
GB/T 10006-1988 Plastics - Film and sheeting - Determination of the coefficients
of friction
GB/T 13542.2-2009 Film for electrical insulation - Part 2: Methods of test
Where:
Wa - Average thickness deviation, %;
δ1 - Average thickness, in micrometers (μm);
δ0 - Nominal thickness, in micrometers (μm).
The thickness limit deviation shall be calculated according to formula (2):
Wu - Thickness limit deviation, %;
δ2 - Maximum (minimum) thickness, in micrometers (μm);
δ0 - Nominal thickness, in micrometers (μm).
4.6 Tensile strength, nominal strain at break, tensile strength at 5% nominal strain
The test shall be carried out in accordance with the provisions of GB/T 1040.1-2006
and GB/T 1040.3-2006, using type 2 specimens which have a specimen width of 15
mm; the initial fixture spacing is 100 mm; the test speed is (100 ± 10) mm/min; the
longitudinal and transverse directions are tested, respectively. The number of specimens
is 5 each. The results are taken as the arithmetic average.
4.7 Thermal shrinkage
4.7.1 Test instruments
The test instruments are as follows:
a) Oven, temperature accuracy ±1 °C;
b) Vernier caliper, accuracy 0.02 mm.
4.7.2 Specimens
The specimen size is 100 mm × 100 mm; the number of specimens is 5. Mark a line
each in the longitudinal and transverse directions, indicating the longitudinal and
transverse directions. Use a steel ruler, which has a graduation value of 0.5 mm, to
measure the length of the two lines.
4.7.3 Test steps
Adjust the oven temperature to (150 ± 3) °C. Quickly put the specimen in and start
timing. The specimen is placed flat, kept for 30 minutes. Take it out. After cooling to
the test environment temperature, measure the longitudinal and transverse lengths of
the specimen. Calculate the thermal shrinkage of the specimen. Take the arithmetic
mean as the measurement result, accurate to 1 decimal place.
4.7.4 Calculation
See formula (3)
Where:
S - Heat shrinkage, %;
L0 - Length before heating, in millimeters (mm);
L1 - Length after heating, in millimeters (mm).
4.8 Surface roughness
Test according to Chapter 8 of GB/T 13542.2-2009.
4.9 Friction coefficient
Test according to GB/T 10006-1988.
5 Inspection rules
5.1 Group-batching
Acceptance is carried out in batches. Films of the same specification produced under
the same formula and process conditions are considered as a batch. Each batch shall not
exceed 50 t. If the output is less than 50 t for one week of continuous production, the
output of one week shall be considered as a batch.
5.2 Sampling
Appearance and specifications shall be in accordance with the normal inspection
sampling plan specified in GB/T 2828.1-2012, using the general inspection level I and
the acceptance quality limit (AQL) of 6.5, see Table 5. Each roll of film is a sample unit.
For physical and mechanical properties, it shall randomly select from the qualified
appearance samples and inspect it according to the provisions of 3.4.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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