... bulb, with light transmittance up to 98%Without the problem of sodium permeation, the parameters of its luminous efficiency, color temperature, ... prevent block quartz glass as out envelop, take off the harm of UV radiationApplications:To replace incandescent lamps and ... , floodlighting, indoor lighting and residential road lighting, etc.The best suitable light source for solar lightingPower(W)CCT(k ...