JG/T 286-2010 English PDF (JG/T286-2010)

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JG/T 286-2010: Electric radiant heating film for low temperature
JG/T 286-2010
JG/T286-2010
JG
INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
Electric radiant heating film for low temperature
ISSUED ON. JULY 29, 2010
IMPLEMENTED ON. JANUARY 01, 2011
Issued by. Ministry of Housing and Urban-Rural Development the
People’s Republic of China
Table of Contents
Foreword ... 3 
1  Scope ... 4 
2  Normative references ... 4 
3  Terms and definitions ... 5 
4  Classification and marking ... 6 
5  Requirements ... 7 
6  Test methods ... 10 
7  Inspection rules ... 16 
8  Marking, packaging, operation instructions, transport and storage ... 19 
Foreword 
This standard was proposed by the Ministry of Housing and Urban-Rural Development
Standard Rating Research Institute.
This standard shall be under the jurisdiction of Ministry of Housing and Urban-Rural
Development Construction Component Technical Committee for Standardization.
Responsible drafting organizations of this standard. Research Institute for Kitchen and
Bathroom of the Ministry of Housing and Urban-Rural Development Policy Research
Center, China Real Estate and Housing Research Association Residential Facilities
Committee, and Beijing Dulong Science and Technology Development Co., Ltd.
Participating drafting organizations of this standard. Heilongjiang Zhonghui Science and
Technology Development Co., Ltd., Jilin Huadian City Anyhot Electric Power Industry Co.,
Ltd., Beijing NUSUN Science and Technology Co., Ltd., Shanxi Shuangyin Electric
Heating Energy Co., Ltd., Hangzhou Shuaiqi Thermal Energy Technology Co., Ltd., China
National Supervision and Test Center for Infrared and Industry Galvanothermy Product
Quality, Beijing Dunan Building Environmental Technology Research Institute, Shenzhen
GTOPS Electric Technology Co., Ltd., S-Cut Electric Heating Material (Dalian) Co., Ltd.,
U.S. CALORIQUE Office in China (Beijing Markel Trade Co., Ltd.), Jinan Chuanjie Yongjia
Technology Trade Co., Ltd., Chengde Zhonghui Zhineng HVAC Gas Engineering Co., Ltd.,
Fasu Metal Products (Shanghai) Co., Ltd., Shizhen City Jindeying Industry Development
Co., Ltd., Beijing Ruijian Zhiye Kitchen and Bath Technology Research Center, and
Ningbo Fotile Kitchware Co., Ltd.
Main drafters of this standard. Lin Runquan, Tan Wanqiang, Mao Zhongqun, Jin Hongnian,
Lin Tao, Ju Shusen, Liu Xiaoyan, Lu Man, Wang Huanfu, Yang Zhiwei, Tang Xiaofeng,
Wang Ansheng, Wang Heping, Bao Wenbiao, Zeng Yu, Li Changfeng, Shi Yong, Luo
Riliang, Wang Yingzhu, Bai Xu, Xie Yanbo, Yang Ronglin, Nakamura Mitsuhiro, and Han
Yixun.
Electric Radiant Heating Film for Low Temperature
1  Scope 
This standard specifies the terms and definitions, classification and marking, requirements,
test methods, inspection rules, marking, packaging, operation instruction, transport and
storage of electric radiant heating film for low temperature.
This standard applies to electric radiant heating film for low temperature (hereinafter
referred to as electrothermal film) used for construction and heat supply. Rated voltage of
single-phase device does not exceed 250V; rated voltage of other industries does not
exceed 480 V. Electrothermal film for electrothermal heating in other industries may also
refer to this standard.
2  Normative references 
The articles contained in the following documents have become part of this standard when
they are quoted herein. For the dated documents so quoted, all the modifications
(excluding corrections) or revisions made thereafter shall not be applicable to this
standard. For the undated documents so quoted, the latest editions shall be applicable to
this standard.
GB/T 191 Packaging - Pictorial marking for handling of goods (ISO 780. 1997, MOD)
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes
(Apply to inspection of process stability)
GB 4208-2008 Degrees of protection provided by enclosure (IP code) (IEC
60529.2001, IDT)
GB 4706.1-2005 Household and similar electrical appliances – Safety - Part 1.
General requirements (IEC 60335-1.2004 (Ed4.1), IDT)
GB 4706.8-2008 Household and similar electrical appliances - Safety - Particular
requirements for blankets pads and similar flexible heating appliances (IEC
60335-2-17.2006, IDT)
GB 4706.82-2007 Safety of household and similar electrical appliances - Particular
requirements for flexible sheet heating elements for room heating (IEC 60335-2-96.
2002 IDT)
GB/T 7287-2008 Test method of infrared heater
GB 8808 Test method for peel force of flexible laminated plastics
3  Terms and definitions 
For the purpose of this standard, the following terms and definitions shall apply.
3.1
Electrothermal film
A kind of film that can generate heat after power-on. It is a planar heat generating
component that is composed of electrically insulating material and heat generating
resistor material encapsulated therein.
3.2
Electric radiant heating film
The electrothermal film that transfers electrical energy into thermal energy and passes
thermal energy out mainly in the form of radiation.
3.3
Flexible electrothermal film
The electrothermal film of which the electric insulating material is in flexible sheet.
3.4
Rigid electrothermal film
The electrothermal film of which the electrical insulating material is in rigid sheet (or plate).
3.5
power density
The power of unit-area on effective heating surface of electrothermal film.
3.6
Normal operation
The state of operating according to normal use conditions, when electrothermal film is
connected with the power.
3.7
After the test in 6.20, rigid electrothermal film shall not be broken and shall be able to
withstand electric strength inspection.
5.20 Electric-to-radiant power transfer efficiency
Electric-to-radiant power transfer efficiency of electrothermal film shall not be less than
55%.
5.21 Working life
Accumulated working time of electrothermal film under normal working state shall not be
less than 30 000 h.
6  Test methods 
6. 1 General conditions for test
6.1.1 The test shall be carried out under the following conditions.
a) Temperature controllers sensitive to temperature are not taken into consideration;
b) For electrothermal film that requires on-site cutting, the test shall be carried out after
connection to supply lead and its edges protection;
c) Ambient temperature is 20°C ±5°C;
d) Relative air humidity is not greater than 85%;
e) There is no significant air convection in the laboratory;
f) Length of electrothermal film length is better to be between 500mm and 1 000mm;
the width is according to manufacturer’s instructions; test-sample preparation in
6.14 and 6.18 is in accordance with provisions of the test method.
6. 1.2 It is necessary to take 6 samples for test.
a) Tests in 6.9.6.10 and 6.11 are carried out on one sample.
b) Tests in 6.13 and 6.14 are carried out on one sample.
c) Tests in 6.15.6.16 and 6.17 are carried out on one sample.
d) Test in 6.18 is carried out on one sample.
e) Tests in 6.21 and 6.22 are carried out on one sample.
f) Other tests are carried out on the sixth sample.
Conduct in according with the method specified in 30.102 of GB 4706. 8-2003.
6. 19 Impact test
Place electrothermal film on a level concrete floor and conduct the following test.
a) Make a Philips screwdriver of 140g fall freely from a height of 2m; falling direction
shall be ensured that the top of screwdriver can hit the surface of electr...