The international industrial standard waterproof registration IP and the Japanese industrial standard JIS waterproof level are close to each other, and they are divided into 9 levels of 0-8. The IP level also regulates dust protection.
IPxx dustproof and waterproof grade: Dustproof grade (first X means) waterproof grade (second X means)
Meaning of IP xx dustproof and waterproof grade
The meaning of the value of the first x The meaning of the value of the second x
0: No protection 0: No protection
1: Prevent the intrusion of large solids 1: No effect when water drops drip into the shell
2: Prevent the intrusion of medium-sized solids 2: When the shell is tilted to 15 degrees, water drops drip into the shell without effect
3: Prevent intrusion of small solids 3: Water or rainwater has no effect from the 60-degree corner to the shell
4: Prevent solid objects larger than 1mm from entering 4: Liquid splashed into the housing from any direction without harm
5: Prevent harmful dust accumulation 5: Wash with water without any harm
6: Completely prevent dust from entering 6: Can be used in the environment inside the cabin
7: Can withstand water immersion in a short time (1m)
8: Immersed in water for a long time under a certain pressure
Apartment Furniture,Standard Hotel Furniture,Hotel Suite Furniture,Hotel Furniture Table
PinSheng hotel furniture , https://www.pinshotelfurniture.com