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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