How to distinguish the true and false of projection light bulb?
3, check the cup mouth glue, authentic bulbs use authentic recipe, with matte glue, suffused with soft luster. This glue, this one does not have a semicolon, so no matter how imitation can not be exactly the same, careful comparison will be able to see the color difference, color difference is obvious.4, check the two cup wall, will find the fake wall with the reddish color and luster, no lubrication minor scratches, and genuine luster fine white wall. This is because the projector lamp what can be replaced, but can not because the cup, cup production process is complex, and the mold superb production process, in addition to the original factory who can't fake imitation, but also the transformation based on the original old lamp on. The used cup wall can not avoid the red eye, as long as it can let him enough, appeared fake.
The fourth category is homemade bulbs. At present, the South China Sea, Beijing Aihua Dandong Xinya Wright (original three factory Nanhai Huaxing)Alternative UHP can be producedThe common point of the bulb is that the bulb doesn't last long and is almost as good as the Taiwan light bulbThe process is easy to extinguish because of unknown reasons, and the rate of explosion is high. However, homemade light bulbs have been printed on UHP by many unscrupulous businessmenPretend to beOriginal UHPLight bulb for sale.The fifth type is the refitted bulb. For example, using VIPRChange to UHPBulb, HSCRChange to UHPBulb, UMPRDchangePretend to be NSHBulb, etc..The sixth category is the old bubble or counterfeit light bulbs, such as illegal traders installed bubble bubbles and Japan, Taiwan and coastal areas such as domestic imitationProjector bulb. Its characteristics are rough workmanship, short life, poor compatibility, the use of the process will be unknown reasons extinguished. illegalThe bulb is generally worn down global or domestic installed in the lamp wick wick on the sale of merchant installed wick.
1, look at the light bulb lamp wall, there is a group of real numbers, clear printing, suffused with soft and natural luster, and not easy to wipe off, this group of fake numbers because wear will incomplete, even if the re printed, gloss is also bleak, the handwriting is not clear, hard wipe will erase.2, a small lamp bulb above the iron pole, which is breaking the "lock" and lamp wick, old lamp replacement wick must do hands in this small iron head, "natural" and acquired installed there is always a little difference.However, as the craftsmanship is becoming more and more sophisticated, the two methods of identification are not entirely absolute, even though professionals may not be able to tell the difference.
