AUTO-DARKENING WELDING HELMET

With up to 15 degree high level UV protection
High definition protective filter.
Response time (bright to dark): Less than 1/25000 seconds (normal temperature conditions)
The turn time (dark to bright): 0.15s – 0.8s
Material: PP
Working Temperature: -5 Centigrade-55 Centigrade
Storage Temperature: -20 Centigrade-70 Centigrade
Ultraviolet Transmittance: 313nm less than or equal to 0.00006 percent, 365nm less than or equal to 0.00006 percent
Infra Red Transmission: 780-1300nm less than or equal to 0.003 percent, 1300-2000nm less than or equal to 0.009 percent