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GB/T 31848-2015 English PDF (GBT31848-2015)
GB/T 31848-2015 English PDF (GBT31848-2015)
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GB/T 31848-2015: Film mounted motor vehicle glass -- Requirements for mounting
GB/T 31848-2015
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 34
GB 31848-2015
Film Mounted Motor Vehicle Glass –
Requirements for Mounting
ISSUED ON. JULY 3, 2015
IMPLEMENTED ON. JUNE 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Construction Preparation and Requirements ... 4
5 Film-Mounting Steps and Requirements ... 7
6 Acceptance Requirements ... 10
7 Requirements of Delivery for Use ... 10
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard shall be under the jurisdiction of National Technical Committee of Auto
Standardization (SAC/TC 114).
Drafting organizations of this Standard. China Building Material Test and Certification
Group Co., Ltd., and China Automotive Technology and Research Center.
Participating drafting organizations of this Standard. 3M China Ltd., Ningbo Shanshan
New Material Science and Technology Co., Ltd., Eastman (Shanghai) Chemical
Commercial Co., Ltd., Sinoma Equipment and Engineering Corp., Ltd. Changzhou
Sanyoudissan Protective Materials MFG Co., Ltd., Ashland (China) Investment Co.,
Ltd., Zhejiang Purple Light Technology Co., Ltd., Feidi Film Technology (Guangzhou)
Co., Ltd., Zhangjiagang Kangde Xin Optronics Material Co., Ltd., Shanghai HO Chi
Technology Co., Ltd., Hebei Kailang New Material Technology Co., ltd., Guangzhou
Sunawe Shade Energy Technology Co., Ltd., and National Quality Test Center of
Glass and Specialty Fiberglass.
Chief drafting staffs of this Standard. Qiu Juan, Wang Rui, Miao Xiangyang, Zhang
Congcong, Lu Jia, Zhang Huyin, Zhang Jianjun, Fan Huimin, Wang Lei, Zhao
Lianming, Yuan Minhua, Lin Qun, Chen Qiwei, Yu Xingliang, Yin Jian, Wang Chunyan,
Man Di, Ding Zuoxin, Liu Jing, Chen Xueran, and Zhang Jingling.
Film Mounted Motor Vehicle Glass –
Requirements for Mounting
1 Scope
This Standard specifies the film mounted motor vehicle glass-requirements for
mounting, including construction preparation and requirements, glass film-mounting
steps and requirements, acceptance requirements, deliver use requirements...
This Standard is applicable to the existing vehicle glass film-mounting construction
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) are applicable to this standard.
GB/T 31849-2015 Film Mounted Motor Vehicle Glass
3 Terms and Definitions
The following terms and definitions are applicable to this document.
3.1 Glass film mounting
It indicates the mounting process of vehicle glass film.
4 Construction Preparation and Requirements
4.1 Requirements for constructors
Constructors shall take the professional film-mounting skill training. Their clothes shall
be neat, clean, generate no static force, no soft flocks, and have no buttons or sharp
objects that may scratch the vehicle body.
4.2 Requirements for film
Scissors shall be used for pre-cutting film, cutter knife and special gasket shall be
used for fine-cutting film.
4.4.3 Installation liquid
Installation liquid recommended by the film manufacturer shall be used. The major
ingredients of the installation liquid indicate water and small amount of surfactant. The
installation liquid shall be neutral, and contain no corrosive or toxic ingredients.
4.4.4 Heat gun
Heat gun used during the constructing period shall meet the requirements of stable
and adjustable outlet air flow and outlet air temperature.
4.4.5 Towel
Towel used during the glass-film-mounting process shall be featured by large
water-absorption, when meeting water, and wiping the smooth surface (such as glass,
vehicle body paint surface, and vehicle interior surface, and etc.), there is no visible
fiber shedding.
4.4.6 Other tools and articles
Prepare the watering can, stainless steel scraper, waterproof shelter supplies, neutral
glass cleaning fluid, and other tools and articles.
4.5 Vehicle preparation
4.5.1 Vehicle condition inspection
Check whether the vehicle body has scratches, dents, deformation and other damage.
Record and obtain the written confirmation from the owner for the founded defects
and damages.
4.5.2 Glass inspection
Check whether the to-be-film-mounted glass has cracks, bursts, scratches, and other
defects. Record the founded defects and damages, and evaluate whether the glass is
suitable for film-mounting, which shall obtain the written confirmation from the owner.
When the glass cracks and bursts are serious, it is not suitable for film-mounting. If the
to-be-film-mounted surface is organic material window glass, it is not suitable for
film-mounting.
4.5.3 Dismantled accessories
According to the actual needs, when dismantle the front windshield rearview mirror,
and rear-window high brake light, it may influence or have adverse effect on the
film-mounting process. The dismantled components shall not be damaged.
5.2.2 It is suitable for cutting the entire film. The film resulted from cutting shall be
little larger than the dimension of to-be-film-mounted area, the front windshield and
rear window shall be 20mm~30mm larger, side window shall be at least 10mm larger,
all of which is for the purposes of heat-shaping shrink operation and post-phase
finishing.
5.3 Heat-shrinkage shaping
5.3.1 Heat-shrinkage shaping of front windshield, and rear window glass film
Heat-shrinkage shaping of front windshield and rear window glass film shall be
operated as per the following steps and requirements.
a) Place the to-be-cut-film on the glass in the way the release film is upward. Use the
heat gun with temperature and outlet air amount adjustable; use dry and wet roasted
method, locally shrink the front windshield and rear window glass used film, so
that it has the same curvature with the glass. When roast the film, control the
outlet air temperature of heat gun, and guarantee it heats uniformly, so as to avoid
the too high temperature lead to glass bursting or glass edge trim burns;
b) Use water scraping method, make the film obtained through roasting shrinkage
shaping completely paste on the glass;
c) If there is foam that is caused by the different curvature between film and glass,
then continue roasting and shaping till the film shrinks to the degree of completely
paste to the glass.
5.3.2 Heat-shrinkage shaping of side window film
Generally the side window film needs not roasting, shrinking and shaping. If it needs
roasting, shrinking and shaping, it can directly use the wet roasting method, make the
film shrink to the degree of completely paste to the glass curvature.
5.4 Fine-cutting of film
Cut the film edge to the proper position. After cutting, the film edge shall be flat and
smooth. Open or close the side window, the distance between film and glass edge
shall be 2mm~3mm; after closing, it shall not leak light. When the glass edge has
black bars or spots, the distance between film edge and the glass inner edge black
bars and spots shall be less than 1mm. The film that influences the wireless signal
reception area shall be cut off, and set aside the fu...
Get QUOTATION in 1-minute: Click GB/T 31848-2015
Historical versions: GB/T 31848-2015
Preview True-PDF (Reload/Scroll if blank)
GB/T 31848-2015: Film mounted motor vehicle glass -- Requirements for mounting
GB/T 31848-2015
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040
T 34
GB 31848-2015
Film Mounted Motor Vehicle Glass –
Requirements for Mounting
ISSUED ON. JULY 3, 2015
IMPLEMENTED ON. JUNE 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Construction Preparation and Requirements ... 4
5 Film-Mounting Steps and Requirements ... 7
6 Acceptance Requirements ... 10
7 Requirements of Delivery for Use ... 10
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard shall be under the jurisdiction of National Technical Committee of Auto
Standardization (SAC/TC 114).
Drafting organizations of this Standard. China Building Material Test and Certification
Group Co., Ltd., and China Automotive Technology and Research Center.
Participating drafting organizations of this Standard. 3M China Ltd., Ningbo Shanshan
New Material Science and Technology Co., Ltd., Eastman (Shanghai) Chemical
Commercial Co., Ltd., Sinoma Equipment and Engineering Corp., Ltd. Changzhou
Sanyoudissan Protective Materials MFG Co., Ltd., Ashland (China) Investment Co.,
Ltd., Zhejiang Purple Light Technology Co., Ltd., Feidi Film Technology (Guangzhou)
Co., Ltd., Zhangjiagang Kangde Xin Optronics Material Co., Ltd., Shanghai HO Chi
Technology Co., Ltd., Hebei Kailang New Material Technology Co., ltd., Guangzhou
Sunawe Shade Energy Technology Co., Ltd., and National Quality Test Center of
Glass and Specialty Fiberglass.
Chief drafting staffs of this Standard. Qiu Juan, Wang Rui, Miao Xiangyang, Zhang
Congcong, Lu Jia, Zhang Huyin, Zhang Jianjun, Fan Huimin, Wang Lei, Zhao
Lianming, Yuan Minhua, Lin Qun, Chen Qiwei, Yu Xingliang, Yin Jian, Wang Chunyan,
Man Di, Ding Zuoxin, Liu Jing, Chen Xueran, and Zhang Jingling.
Film Mounted Motor Vehicle Glass –
Requirements for Mounting
1 Scope
This Standard specifies the film mounted motor vehicle glass-requirements for
mounting, including construction preparation and requirements, glass film-mounting
steps and requirements, acceptance requirements, deliver use requirements...
This Standard is applicable to the existing vehicle glass film-mounting construction
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) are applicable to this standard.
GB/T 31849-2015 Film Mounted Motor Vehicle Glass
3 Terms and Definitions
The following terms and definitions are applicable to this document.
3.1 Glass film mounting
It indicates the mounting process of vehicle glass film.
4 Construction Preparation and Requirements
4.1 Requirements for constructors
Constructors shall take the professional film-mounting skill training. Their clothes shall
be neat, clean, generate no static force, no soft flocks, and have no buttons or sharp
objects that may scratch the vehicle body.
4.2 Requirements for film
Scissors shall be used for pre-cutting film, cutter knife and special gasket shall be
used for fine-cutting film.
4.4.3 Installation liquid
Installation liquid recommended by the film manufacturer shall be used. The major
ingredients of the installation liquid indicate water and small amount of surfactant. The
installation liquid shall be neutral, and contain no corrosive or toxic ingredients.
4.4.4 Heat gun
Heat gun used during the constructing period shall meet the requirements of stable
and adjustable outlet air flow and outlet air temperature.
4.4.5 Towel
Towel used during the glass-film-mounting process shall be featured by large
water-absorption, when meeting water, and wiping the smooth surface (such as glass,
vehicle body paint surface, and vehicle interior surface, and etc.), there is no visible
fiber shedding.
4.4.6 Other tools and articles
Prepare the watering can, stainless steel scraper, waterproof shelter supplies, neutral
glass cleaning fluid, and other tools and articles.
4.5 Vehicle preparation
4.5.1 Vehicle condition inspection
Check whether the vehicle body has scratches, dents, deformation and other damage.
Record and obtain the written confirmation from the owner for the founded defects
and damages.
4.5.2 Glass inspection
Check whether the to-be-film-mounted glass has cracks, bursts, scratches, and other
defects. Record the founded defects and damages, and evaluate whether the glass is
suitable for film-mounting, which shall obtain the written confirmation from the owner.
When the glass cracks and bursts are serious, it is not suitable for film-mounting. If the
to-be-film-mounted surface is organic material window glass, it is not suitable for
film-mounting.
4.5.3 Dismantled accessories
According to the actual needs, when dismantle the front windshield rearview mirror,
and rear-window high brake light, it may influence or have adverse effect on the
film-mounting process. The dismantled components shall not be damaged.
5.2.2 It is suitable for cutting the entire film. The film resulted from cutting shall be
little larger than the dimension of to-be-film-mounted area, the front windshield and
rear window shall be 20mm~30mm larger, side window shall be at least 10mm larger,
all of which is for the purposes of heat-shaping shrink operation and post-phase
finishing.
5.3 Heat-shrinkage shaping
5.3.1 Heat-shrinkage shaping of front windshield, and rear window glass film
Heat-shrinkage shaping of front windshield and rear window glass film shall be
operated as per the following steps and requirements.
a) Place the to-be-cut-film on the glass in the way the release film is upward. Use the
heat gun with temperature and outlet air amount adjustable; use dry and wet roasted
method, locally shrink the front windshield and rear window glass used film, so
that it has the same curvature with the glass. When roast the film, control the
outlet air temperature of heat gun, and guarantee it heats uniformly, so as to avoid
the too high temperature lead to glass bursting or glass edge trim burns;
b) Use water scraping method, make the film obtained through roasting shrinkage
shaping completely paste on the glass;
c) If there is foam that is caused by the different curvature between film and glass,
then continue roasting and shaping till the film shrinks to the degree of completely
paste to the glass.
5.3.2 Heat-shrinkage shaping of side window film
Generally the side window film needs not roasting, shrinking and shaping. If it needs
roasting, shrinking and shaping, it can directly use the wet roasting method, make the
film shrink to the degree of completely paste to the glass curvature.
5.4 Fine-cutting of film
Cut the film edge to the proper position. After cutting, the film edge shall be flat and
smooth. Open or close the side window, the distance between film and glass edge
shall be 2mm~3mm; after closing, it shall not leak light. When the glass edge has
black bars or spots, the distance between film edge and the glass inner edge black
bars and spots shall be less than 1mm. The film that influences the wireless signal
reception area shall be cut off, and set aside the fu...
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