PC flame retardant board and ordinary plastic board seem to be no difference, then how to identify flame retardant PC board and ordinary plastic board? What's the way?

First, PC flame retardant board: high transparency, high impact resistance, fire burning almost not burn, flame retardant, regular manufacturers of flame retardant PC board can fully meet the national regulations of the most combustible standards.

Second, acrylic: transparency is good, the flame is clear when burning, no smoke, there are bubbles, and the filament can be pulled out when the fire is put out.

Third, PS organic board: transparency is general, reflective look will have pitting, more brittle, easy to break. It makes a rattling sound when it hits the ground. When burned with fire, it produces a lot of black smoke.