Dispute Over The Effectiveness Of Radiation Protection Clothing &Nbsp; Fang Insists That It Is A Hoax.

CCTV reported on the "radiation protection clothing may be more dangerous", which allowed moms to be at a loss for a while.

Yesterday, experts from the Shanghai Association for the prevention of electromagnetic radiation and the National Standardization Committee of electromagnetic shielding materials first responded to the matter in Beijing, declaring that electromagnetic shielding clothing is effective for shielding electromagnetic waves.

But Fang Fang, the anti fake person, insisted.

Event

Reported radiation protection clothing

In December 17th, CCTV reported that the reporter had found a leading domestic professional electronic testing laboratory through the recommendation of the Chinese Academy of Sciences, and tested the radiation protection ability of a metal fiber's radiation protection clothing.

The Engineer Chen Feng experiment showed that the radiation protective clothing of this metal fiber could withstand about 90% of the radiation in a single direction, but in real life, wearing radiation protection clothing is of some direction.

The report also said that due to radiation protection products is a new industry, China has not yet issued relevant industry standards, is still in the blank state of no supervision.

Useful school

The association negates the theory of "radiation becoming larger".

"Whether radiation protection clothing is of any use or not will cause a lot of controversy every year. Now," harmful theory "has also come out. Yesterday, Huang Jianhua, a member of the National Standardization Committee of electromagnetic shielding materials and a spokesman for the Shanghai electromagnetic radiation protection association, said that the association had to clarify the facts and hope to speak with science.

"The experiment demonstrated in the report is the result of non professional methods in non professional occasions by non professionals," the association solemnly declared yesterday. "We can tell consumers responsibly that electromagnetic shielding clothing is effective for shielding electromagnetic waves.

It is an extremely irresponsible act to issue the so-called anti electromagnetic radiation service as a commercial scam.

As for what the report referred to as "radiation becoming larger", Li Guodong, a consultant of the National Standardization Committee of electromagnetic shielding materials, gave a clear negation yesterday. "The experiment of inspector Chen Feng in CCTV investigation is not rigorous. The electromagnetic radiation from the cuffs and other crevice into the radiation protection clothing is very small. The energy in every reflection of the radiation will weaken in the clothes and turn into heat until the radiation disappears. This part of the heat will be absorbed by the human body, but it is harmless to the human body.

At the same time, the reflection distance from radiation to extinction is about 3-5 millimeters, so the edge of radiation protection clothing will disappear.

Radiation protection clothing is proved useful by experiments.

The Secretary General of the National Standardization Committee of electromagnetic shielding materials and Lu Fu Min, the chief engineer of Shanghai metrology and Testing Technology Research Institute, said yesterday that they had carried out electromagnetic radiation tests on many brands of pregnant women's radiation protection clothing on the market, and found that the radiation protection clothing on the market could cover most of the electromagnetic radiation.

"Of course, it is very difficult to achieve 100% radiation protection.

During the experiment, we found that the radiation protection clothing for pregnant women mainly protects the heart part of the pregnant mother, the belly part (that is, where the baby is), and the effect on the edge part will be weak. Moreover, the protective effect is closely related to the fabric and style of the garment.

Useless faction

"Chen Feng laboratory" does not deny that "wear ratio does not wear poorly".

The experiment carried out by "Chen Feng laboratory" was originally an important basis for CCTV's "radiation protection clothing to wear harmful" conclusions. But from 19, the laboratory responsible person issued a blog on the blog continuously, and made "clarification" on CCTV's report.

"Chen Feng lab" Bowen said: "the radiation protection clothing has a good shielding effect for the electromagnetic radiation of a single vertical exposure; the experiment in the news is a group of two extreme cases of exploratory experiments."

Bowen said that the radiation level of the daily electromagnetic environment mostly meets the standard requirements, which is harmless to the human body. The suspicious radiation sources in the surrounding environment need to be judged by the authority to meet the standard requirements.

For the CCTV program broadcast, the "radiation protection clothing is the electromagnetic wave collector" statement, Bowen responded: "in the news, the special emphasis is only a special test device, which is the reflection of electromagnetic wave into the shielding clothing, and it can not be said that the signal energy is increased, which is not consistent with the energy conservation."

Chen Feng said, "though the situation is rare, it is possible that the extreme experimental effect is shown in the film."

Some netizens summed up Chen Feng's lab's answer as saying: "if you don't say I don't understand, you say I'm more confused."

Fang insisted that "radiation protection clothing is a hoax".

On the one hand, CCTV reported that Fang Zhou Zi, who had been challenging Tang Jun for questioning his academic credentials, said publicly on micro-blog that "CCTV's program was actually what I helped them do."

"I think radiation protection clothing is a commercial scam to support consumer rights."

"I have been exposing the problem of deception, such as health care, and radiation protection clothing, which is part of this category," Fang told reporters yesterday. "Radiation protection clothing is effective. There is no need to do experiments at all. No professional knowledge is needed. Only physical knowledge can tell that electromagnetic waves can not be shielded by one piece of clothing.

"Electromagnetic waves in everyday life are harmless to the human body. You can't shield them if you want to."

Fang insisted on his point of view.

standard

The mandatory national standard is still in the making.

Why do authorities detect "radiation protection clothing" useful, but the market has always been questioning its voice?

It is understood that in December 2009, China issued a recommended standard for "microwave shielding and protective clothing", and did not target the mandatory national standards for the entire radiation protection products.

The association said yesterday: at present, China has worked out many standards related to yarn, fabric, testing methods, occupational radiation protection clothing, and several related standards are being compiled.

One of the experts who participated in the formulation of the national standard for radiation protection, Gu Hongfeng, member of the national clothing Standardization Technical Committee, said that the national standard for the detection of radiation protection clothing is still being worked out, and the relevant departments have not quantified the relevant data and indicators. After the introduction of such standards, there will be relevant data support, and there will be a unified statement to judge the effect of radiation protection clothing.

Gu Hongfeng said: "now is the stage of technology research.

After the first draft is published, it is necessary for all parties to discuss and discuss. After the agreement is reached, the national examination and approval must be passed before it can be officially released.