HG/T 5751-2020 PDF English
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| HG/T 5751-2020 | English | 125 |
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HG/T 5751-2020: Flame retardant insulation tape for EV battery---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/HGT5751-2020
CCS G39
HG
Chemical industry standard of the People＇s
Republic of China
HG/T 5751—2020
Flame retardant insulation tape for EV
battery
Issue date:2020 - 12 - 09 Implementation date:2021 - 04 - 01
Issued by National Ministry of Industry and Information Technology of the People’s Republic
of China
HG/T 5751—2020
Table of Contents
Foreword ... II
1 Scope ... 1
2 Normative references ... 1
3 Terms and definitions ... 2
4 Classification ... 2
5 Requirements ... 2
5.1 Appearance ... 2
5.2 Number of joints ... 2
5.3 Specification and dimension ... 2
5.4 Performance ... 3
6 General rules for testing ... 4
6.1 Test conditions ... 4
6.2 Sample preparation ... 4
6.3 Damp-heat aging conditions ... 4
7 Test methods ... 4
7.1 Appearance ... 4
7.2 Specification and dimension ... 4
7.3 Adhesion properties ... 5
7.4 Puncture resistance performance ... 5
7.5 Insulation properties ... 5
7.6 Flame retardance ... 6
7.7 Restricted substance ... 6
8 Inspection rules ... 6
8.1 Inspection classification ... 6
8.2 Delivery inspection ... 6
8.3 Type inspection ... 6
9 Marking, packaging, transport and storage ... 7
9.1 Marking ... 7
9.2 Packaging ... 8
9.3 Transport ... 8
9.4 Storage ... 8
HG/T 5751—2020
II
Foreword
SAC/TC 185 (National technical committee of standardization for Adhesives) is in charge of
this English translation. In case of any doubt about the contents of English translation, the
Chinese original shall be considered authoritative.
This standard is drafted in accordance with the rules given in the GB/T 1.1-2009. Directives
for standardization-Part 1: Structure and drafting of standards.
This standard was proposed by China Petroleum and Chemical Industry Association.
This standard was prepared by SAC/TC 185.
HG/T 5751—2020
Flame retardant insulation tape for EV battery
1 Scope
This standard specifies the product classification, technical requirements, test methods,
inspection rules, marking, packaging, transport, and storage of flame retardant insulation
tape for EV battery.
This standard is applicable to single-sided flame retardant insulation tape with plastic film
(such as polyethylene terephthalate, PET and polyimide, PI) as backing and pressure sensitive
adhesive uniformly coated on one side of the backing.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated normative references, only the edition cited applies. For undated references, the
latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 1408.1-2016 Insulating materials - Test methods for electric strength - Part 1: Test at
power frequencies
GB/T 1410-2006 Methods of test for volume resistivity and surface resistivity of solid
electrical insulating materials
GB/T 2792 Measurement of peel adhesion properties for adhesive tapes
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed
by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to
inspection of process stability)
GB/T 4850 Test method for unwinding force of pressure sensitive adhesive tapes at low speed
GB/T 4851-2014 Measurement of static shear adhesion for adhesive types
GB/T 6388 Transport package shipping mark
GB/T 7125 Test method for thickness of adhesive tapes
GB/T 15903 Test method for flame resistance of pressure-sensitive adhesive tapes
GB/T 22396 Terminology relating to pressure sensitive adhesive products
HG/T 5751—2020
GB/T 26125 Electrical and electronic products - Determination of six regulated substances (lead,
mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl
ethers)
GB/T 31125 Test method for adhesive tapes - Loop tack
GB/T 32370 Determination of the length and width for adhesive tapes
ASTM D1000:2017 Standard test methods for pressure-sensitive adhesive-coated tapes used for
electrical and electronic applications
EN 14582:2016 Waste Characteristic Halogen and Sulfur Content Closed System Oxygen Combustion
and Determination Method (Characterization of waste. Halogen and sulfur content. Oxygen
combustion in closed systems and determination methods)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 22396 apply.
4 Classification
According to different backings, products can be divided into PET adhesive tape and PI adhesive
tape.
5 Requirements
5.1 Appearance
The adhesive tape shall be evenly wound on the core without obvious pin holes, deformation,
air bubbles, wrinkles, oozing, serious gapping, adhesive hardening, slivering, impurities and
other stain.
5.2 Number of joints
Joints shall not be permitted for adhesive tape used in automatic battery production lines,
and at most one joint shall be permitted for each roll of adhesive tape used in manual production
lines. Special specifications and colors (including permittable number of joints and joint
methods, etc.) shall be determined by both supplier and customer through negotiation.
5.3 Specification and dimension
Product specification and dimensional tolerance shall be in accordance with Table 1. They can
also be agreed between supplier and customer.
HG/T 5751—2020
7.2.1 Thickness
It shall be measured according to GB/T 7125.
7.2.2 Width and length
It shall be measured according to GB/T 32370.
7.3 Adhesion properties
7.3.1 180o peel adhesion
180o peel adhesion under normal state is tested according to GB/T 2792.
180o peel adhesion after damp-heat aging is aged according to 6.3 conditions and tested
according to GB/T 2792 method after 2 hours at room temperature.
7.3.2 Static shear adhesion
Static shear adhesion under normal state is tested according to the provisions of Method A
in GB/T 4851-2014, and the sample size is 24 mm X 24 mm.
Static shear adhesion after damp-heat aging shall be aged according to 6.3 conditions, and
tested according to Method A in GB/T 4851-2014 after 2 hours at room temperature.
7.3.3 Loop tack
Loop tack under normal state shall be carried out according to those specified in GB/T 31125.
Loop tack after damp-heat aging is aged according to 6.3 conditions and tested according to
GB/T 31125 method after 2 hours at room temperature.
7.3.4 Unwinding force at low speed
Unwinding force at low speed under normal state shall be determined according to GB/T 4850.
Unwinding force at low speed after damp-heat aging is aged according to 6.3 conditions, and
tested according to GB/T 4850 after 2 hours at room temperature.
7.4 Puncture resistance performance
It shall be determined according to ASTM D1000: 2017 123-128.
7.5 Insulation properties
7.5.1 Breakdown voltage
It shall be determined according to GB/T 1408.1-2016 5.2.2 and 10.4.
7.5.2 Insulation resistance
It shall be determined according to the regulation of 11.2 in GB/T 1410-2006, the applied
voltage shall be 500 V.
HG/T 5751—2020
7.6 Flame retardance
It shall be determined according to GB/T 15903.
7.7 Restricted substance
7.7.1 The contents of six restricted substances (lead, mercury, cadmium, hexavalent chromium,
polybrominated biphenyl and polybrominated diphenyl ether) shall be determined according to
GB/T 26125.
7.7.2 Halogen content shall be determined by ion chromatography (IC) according to EN
14582-2016.
8 Inspection rules
8.1 Inspection classification
Product inspection shall be classified into delivery inspection and type inspection.
8.2 Delivery inspection
8.2.1 Products shall be inspected by the quality inspection department of the manufacturer.
Finished products shall comply with the provisions of this standard and be accompanied by
product quality certificates.
8.2.2 For delivery inspection, the same specification and color and output per shift shall
be taken as an inspection batch, and the unit shall be in roll.
8.2.3 Delivery inspection items are as follows:
a) Dimensions;
b) Appearance;
c) 180o peel adhesion under normal state;
d) Static shear adhesion under normal state;
e) Loop tack under normal state.
8.2.4 Delivery inspection shall be carried out according to GB/T 2828.1. Special inspection
level S-2 shall be adopted, and one-time sampling scheme for normal inspection shall be adopted.
Acceptance quality limit (AQL) is 6.5.
8.3 Type inspection
8.3.1 Type inspection shall be generally carried out in the following cases:
HG/T 5751—2020
a) Having major changes of formula or process after regular production, which may affect the
products quality;
b) Resuming production after stopping for more than six months;
c) Having large difference between delivery inspection results and last type inspection
results;
d) Raising requirements by the state quality supervision bodies or users.
8.3.2 Type inspection items shall include all inspection items specified in Clause 5.
8.3.3 Type inspection shall be carried out according to GB/T 2829. A subsampling scheme of
discrimination level II is adopted. The sample size n1=n2=5. The inspection period for each
representative product with static shear adhesion is 1 month, the unqualified quality level
(RQL) is 65, 180o peel adhesion after damp-heat aging is 3 months, and the unqualified quality
level (RQL) is 40.
9 Marking, packaging, transport and storage
9.1 Marking
9.1.1 Marking of adhesive tape
The adhesive tape marking shall include the following information:
a) Manufacturer's name or trademark;
b) Product marking
9.1.2 Marking on packing container
Marking on packing container include the following information:
a) Manufacturer＇s name and address;
b) Product marking and trademark;
c) Quantity (roll), weight and color;
d) Production date or manufacturing batch number;
e) Marking of moisture-proof, sun-proof, pressure-proof and fire-proof, etc.
f) All kinds of markings shall conform to the provisions of GB/T 191 and GB/T 6388, and the
information of marks may be increased or decreased as required by users.
HG/T 5751—2020
g) Each box of products should be equipped with a product certificate.
9.2 Packaging
The products are packed in cartons, and the specific packing requirements shall conform to
the supply contract.
9.3 Transport
During transport, the products shall be moved gently, avoided placing horizontally and
extruding, shall not be mixed with volatile solvent or corrosive item.
9.4 Storage
9.4.1 The product shall be stored in a warehouse with temperature of -5 ℃ to 40 ℃ and
relative humidity of 40% to 80%, and without volatile solvent.
9.4.2 In order to prevent deformation, product shall be avoided to place horizontally.
9.4.3 It is not permitted to be stacked directly on wet ground, and the deformation of box
is not permitted.
9.4.4 In case of transport and storage in accordance with this standard, the shelf life of
the product shall be 1 year from the date of production.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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