One, the setting that the standard publishs
By the student daily and frequent what use writing material concerns them is healthy and even life is safe. Release jointly by much ministries and commissions " the safe and current requirement of student things " national level GB21027-2007 already was carried out formally on April 1 this year.
" current requirement " content is mandatory versatility country standard entirely, its are the biggest the product that deterrence force depends on according with technical standard and safe level will be not gotten sell in the market.
2, the range that the standard covers
" current requirement " covered all articles for use that apply to minor student to use almost, divide 18 kinds big in all, classify more comprehensive, system. Basically include: Dye of aquarelle dye, club of crayon, canvas, point at, plasticene, rubber is brushed, pen of alter goods, adhesive, watercolour, book writes pen, earmark pen, plot to use rule, this book, the student things such as bag of satchel, pen, manual scissors, writing case, pencil sharpener.
3, the standard is specific content
" current requirement " the relevant content that consulted international above paragraphs has safe level and level of national toy safety, 8 big fields basically include:
1, right but the biggest set limit to of migratory element antimony, arsenic, barium, cadmium, chromic, lead, mercuric, Selenium made a provision;
2, provided alter product content of the benzene in organic dissolvent, should not contain chloric acting hydrocarbon;
3, to adhesive the content of medium free formaldehyde, benzene, xylene made a provision;
4, content of the formaldehyde in stationery must not exceed 300mg/kg;
5, the content of balmy amine in using dye to student things place made a provision;
6, to the student this book brightness demarcate;
7, made safe provision to size of the cap of a pen;
8, the edge that waits with feet, writing case to manual scissors, razor blade, pencil sharpener, plot
Predestined relationship, most advanced made a provision.
4, case analysis
1, fragrance rubber: Hear go up possible harmful material exceeds the rubber of aculeate nose fragrance mark, " current requirement " in did limit to the content of balmy amine in student things dye, 23 kinds of poisonous and balmy amine are to ban use. Essence must use edible essence.
2, the cap of a pen is stomatic: The age slants small child, when the stationery such as use pen, devour easily the cap of a pen, cause asphyxial. So " current requirement " did limit to the dimension of the cap of a pen, still ask to make sure the cap of a pen aerates area and airiness. Once appear,devour so the accident of the cap of a pen, also can make sure the child breathes normally.
3, but migratory and harmful material: Club of besmear fluid, painty, canvas, rubber, paint pressworks part, ink medium but migratory and harmful material is like lead, naked eye cannot see, the child uses lead for a long time to exceed tender writing material to cause lead poisoning easily, depressed, giddy, leucocyte reduces spirit, serious person still can affect kidney, liver function.
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