Why protective clothing in use for some time it needs to be replaced ? A lot of people are wondering , in fact, this labor supplies often occur by one or damage caused by the effect of several factors , these factors relate only affect the quality grade color change , wash and size changes . This labor supplies will not be having a protective effect.
Protection of workers against occupational taking to protect the environment in the physical and chemical factors of injury. Protective clothing is divided into special protective clothing and general operation services categories.
Its role is to ensure that special service personnel in the work environment are harmful to human safety . States Army Special overalls scope and variety of different. Former Soviet special overalls including armor, crew , ground , umbrellas ground , sea and ground personnel and other professionals in the use of common military uniforms , special clothing , camouflage clothing and protective clothing.
personal protective clothing according to their function , can be divided into special environment and hazardous materials protective clothing protective clothing categories ; their category can be divided into categories aircrew protective clothing , protective clothing Haiqin class , ground class protective clothing. Some countries also specially produced for the control of various insects on the human body against protective clothing, in the Gulf War of the multinational force has insecticidal function through a kind of uniform , it can effectively prevent all types by blood-sucking insects on the living human harassment . Allegedly, this uniform is to use what is known as "in Bergen ," the insecticide , in a certain proportion to be diluted with water soaking treatment , insect will die quickly when landed at , and harmless to human body . Factors as follows.
1 PPE color fastness : If a particular standard includes requirements for color fastness , protective clothing should be based on the relevant parts of ISO 105 test ( such as ISO 105-B02: Colour fastness to artificial light resistance : Xenon arc fading lamp test ) .
2 PPE Washing: If a particular standard includes damage to the washing effect of testing requirements , specific standards set forth in the beginning of the other requirements , the test procedure shall be as follows requirements .
If washing or dry cleaning or washing standard allows finishing , the protective clothing should be based on GB/T8629-2001 " Textiles - Domestic washing and drying test procedures " requirement washing, according to ISO 3175:1995 ( clause 8 and 10 NA ) requirements for dry-cleaning .
Appropriate number of times of washing to be specified in a particular standard . If the washing and dry-cleaning unit to allow , then a sample to simultaneously use the above two washing method, the washing times are specific to half the number specified in the standard .
3 PPE dimensional changes caused by washing : washing dimensional change caused by ISO 5077 test procedure shall be performed dry dimensional changes caused by ISO 3175 test procedure shall be performed .
In addition there are other specific criteria stated, protective clothing materials, length and width variation should not exceed ± 3%. A sample should be able to withstand five times washing or dry cleaning . If washing or dry cleaning are allowed , the sample can be washed .