1. Material: Velvet;

2. Specifications (height * width * pleats): customized;

3. Color: optional;

4. Flame retardant method: immersion flame retardant treatment or better process;

5. Flame retardant level: at least reach flame retardant level B1;                                             

6. Fire rating: At least meet the B1 level standard for combustion performance analysis of building materials and products (GB8624-2012);

7. The oxygen index of the screen is ≥ 34% in the length direction; Curtain oxygen index width direction ≥ 34%;

8. The smoldering time is ≤ 7s.