... at favorable price 4. Customized specification Corona-treated pp correx sign board Specifications1. Length(mm): random 2. Width(mm): ≤20003. Thickness ... , etc. Features1. Chemical resistance, impact resistance, fade resistance, flame retardant2. Light weight, strong and long-time durable, non-toxic, anti-corrosion3 ... , TCL, ZTE, etc. for many years. Corona-treated pp correx sign board