|
Request in common use of security for student’s articles |
Test Items | Product/Materials |
|
Migration heavy metal |
Printing coatings, crayons, paints, watercolor pens, erasers, painted products (correction fluid, correction tape, correction pen), pens, markers and plaster | |
| Benzene | Modified products (correction fluid, correction tape, correction pen) | |
| Chlorinated hydrocarbons | ||
| Formaldehyde |
Adhesive |
|
| Benzene | ||
| Toluene & Xylene | ||
| Total Volatile Organic Compounds | ||
| Formaldehyde | Textile Fabrics | |
| Book brightness(whiteness) | Book | |
| Safety of pen’s cap | Writing pens, marking pen, correction pen, water color pen | |
| Edge and tip | Metal Products: scissors, pencil boxes, rulers |
| Appearance | Stitching (Heat fusion) Strength |
| Colour fastness to rubbing | Durability of zipper |
| Formaldehyde | Azo dyes |
| Migration heavy metal | Mark |
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TEL:0769-23301649? FAX:0769-23301600 Email:aaron.yang@ntek.org.cn
Add: Building 3, Meisai Daxin Park, No. 1 Science and Technology Road, Songshan Lake High-tech Industrial Development Zone, Dongguan, Guangdong, China. 523000