28LEDs lens 60° 5050 for high bay lighting

Light Distribution Curve

LED LENS Maintenance Instruction

1) If necessary, clean lenses with mild soap, water, and softening cloth.
2) Never use any industrial solvent to clean lens, such as cleaning Solvent, Alcohol Sulfuric acid, Ammonia, Urea, Mineral oil, Petrol
3) The lens operating Temperature range -40°to+120°C
4) Alternatively the following environment is recommended: Storage temperature: -40°C to +70°C, Humidity:30% to 95% HR mar.
5) The lens has concentrated function, and it’s made from transparent material, The functions will be affected once they were polluted, so please do not open the packages until you use them, in case of dust and other pollution.
6) Please handle or install lens with wearing gloves, skin oils may damage lens optical characteristic.