... 30% for general lighting ;Using different slide according to different materials, no need to change light source, and it is suitable for a ... 1935950K52~8≥99.92.0220V/50Hz2100×1706×19351050 Note:Subject to different sizes,specific gravities,friction factors,rules of surface, ... and impurities of raw material,parameters listed above table will change to some extend,which are reference for you choosing a ...