1. The base of brush uses decay resistance SUS304(>19% . >8% aluminum nickel content) or even color ,well -structured electrogalvanized sheet.

2. Brush bristle uses nylon yarn with characteristics like high flexibility,strong elasticity ,wear- resistant ,passed SVHC test and conforms to the EU technical standards ,while with characteristics like inflaming retarding ,static -frcc ,No radiation , non -toxicity ,

low smoke .low calorie.

3.Nylon density 1.14, melting temperature 218-224°c, heat deflection temperature 185-190°c ,When ignited ,burning slow ,white smoke ,pale blue flame inner ,yellow outer layer.

door and window energy-saving brush