ledlight2010's blog: "led car light"

China International Standard for waterproof grade IP of LED light is closed to that of Japan Industrial Standard JIS ,which is divided into 9 grades ,from 0 to 8 grade. While ,the IP rating also makes provisions for dust. Details as follows:

The first X stands for dust-proof

0: No protection

1. Avoid the invasion of large solid

2. Avoid the invasion of medium-sized solid

3. Avoid the invasion of small solid

4. Avoid the invasion of solid objects greater than 1mm

5. Avoid the accumulation of harmful dust

6. Completely avoid the invasion of dust

The second X stands for waterproof grade:

1. No protection
2. No effect on water droplets trickle-down to the shell(vertical drip test)
3. No effect on water droplets trickle-down to the shell when it tilted to 15 degrees
4. No effect on water or rain falling to the shell from 60 degrees
5. No harm for liquid poured onto the shell from any direction
6. Rinse without any harm
7. Can be used in the cabin envirroment
8. Can be resistant to flooding in a short time.(1m depth)
9. Flooding at a certain pressure for a long time

For example: light marked IP65 stands for product completely avoid dust and rinse without any harm.