anti-radiation clothes / anti-radiation clothing / anti-radiation workwear with shielding efficiency>20dB, >30dB, >40dB, >50dB anti-radiation clothes / anti-radiation clothing / anti-radiation workwear Material Details ... shielding efficiency>20dB, >30dB, >40dB, >50dB for selection. Through the detection by the Astronaut Center and Shanghai Testing Center, it shows ...