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• Home » Safe Articles » Guide to Safe Labels - U.L. Fire Resistive Container Classificat Bookmark and Share
Guide to Safe Labels - U.L. Fire Resistive Container Classificat by wcliberty.com

UL LogoU.L. Label Type Class 150 - 4 hours (Insulated Record containers)

Maintain an interior temperature less than 150°F and an interior relative humidity less than 85% when exposed to fire as per the Standard Time Temperature Curve for 4 hours to 2000°F Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, an immediate 30' drop test, and a standard reheating for 60 minutes to 1700°.

U.L. Label Type Class 150 - 2 hours (Insulated Record containers)
Maintain an interior temperature less than 150°F and an interior relative humidity less than 85% when exposed to fire as per the Standard Time Temperature Curve for 3 hours to 1850°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately of combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, 15 minutes of standard exposure to 1638°F, an immediate 30' drop test, and a standard reheating for 60 minutes to 1638°F.

U.L. Label Type Class 150 - 1 hour (Insulated Record containers)
Maintain an interior temperature less than 150°F and an interior relative humidity less than 85% when exposed to fire as per the Standard Time Temperature Curve for 3 hours to 1700°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, an immediate 30' drop test, and a standard reheating for 30 minutes to 1550°F.

U.L. Label Type Class 350 - 4 hours (Fire resistants safes)
Maintain an interior temperature less than 350°F when exposed to fire as per the Standard Time Temperature Curve for 4 hours to 2000°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, 30 minutes of standard exposure to 1700°F, an immediate 30' drop test, and a standard reheating for 30 minutes to 1700°F.

U.L. Label Type Class 350 - 2 hours (Fire resistants safes)
Maintain an interior temperature less than 350°F when exposed to fire as per the Standard Time Temperature Curve for 2 hours to 1850°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, 15 minutes of standard exposure to 2000°, an immediate 30' drop test, and a standard reheating for 45 minutes to 1638°F.

U.L. Label Type Class 350 - 1 hours (Fire resistants safes)
Maintain an interior temperature less than 350°F when exposed to fire as per the Standard Time Temperature Curve for 1 hour to 1700°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, an immediate 30' drop test, and a standard reheating for 30 minutes to 1550°F.

Maintain an interior temperature less than 150°F and an interior relative humidity less than 85% when exposed to fire as per the Standard Time Temperature Curve for 4 hours to 2000°F Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, an immediate 30' drop test, and a standard reheating for 60 minutes to 1700°.

U.L. Label Type Class 150 - 2 hours (Insulated Record containers)
Maintain an interior temperature less than 150°F and an interior relative humidity less than 85% when exposed to fire as per the Standard Time Temperature Curve for 3 hours to 1850°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately of combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, 15 minutes of standard exposure to 1638°F, an immediate 30' drop test, and a standard reheating for 60 minutes to 1638°F.

U.L. Label Type Class 150 - 1 hour (Insulated Record containers)
Maintain an interior temperature less than 150°F and an interior relative humidity less than 85% when exposed to fire as per the Standard Time Temperature Curve for 3 hours to 1700°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, an immediate 30' drop test, and a standard reheating for 30 minutes to 1550°F.

U.L. Label Type Class 350 - 4 hours (Fire resistants safes)
Maintain an interior temperature less than 350°F when exposed to fire as per the Standard Time Temperature Curve for 4 hours to 2000°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, 30 minutes of standard exposure to 1700°F, an immediate 30' drop test, and a standard reheating for 30 minutes to 1700°F.

U.L. Label Type Class 350 - 2 hours (Fire resistants safes)
Maintain an interior temperature less than 350°F when exposed to fire as per the Standard Time Temperature Curve for 2 hours to 1850°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, 15 minutes of standard exposure to 2000°, an immediate 30' drop test, and a standard reheating for 45 minutes to 1638°F.

U.L. Label Type Class 350 - 1 hours (Fire resistants safes)
Maintain an interior temperature less than 350°F when exposed to fire as per the Standard Time Temperature Curve for 1 hour to 1700°F. Successfully undergo all other requirements for the Fire Endurance Test**, the Explosion Hazard Test*, the Humidity Test**** and the Fire & Impact Test*** (seperately or combined*****). Basically, no explosion through 30 minutes of exposure to a 2000°F fire, an immediate 30' drop test, and a standard reheating for 30 minutes to 1550°F.

This article was published on Friday 11 February, 2011.
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