Tech Support

Hot
1969   2024-01-08

The method of observation

5 meters away from the observed object, place the electric torch between mouth and nose, then observe the light source.
1942   2024-01-08

Glossary and FAQ

Refractive Index:The refractive coefficient of glass bead to light. They are divided into series of 1.5Nd, 1.9Nd,2.2Nd.&...
1935   2024-01-08

What is photoluminescence?

Lightlead photoluminescent materials (commonly called “glow-in-the-dark”) has the ability to absorb light (sunlight, flu...
Many manufacturers refer to the extinction time of their products, which is defined as the time required for the aftergl...
Lightlead photoluminescent materials are non-toxic, non-radioactive and contain no phosphorus or lead, or any other haza...
Article Category
Contact Us
Contacts : Li Sir
Phone : 13706417022
Email : jngreat@foxmail.com
QQ : 1344607103
Skype : greatlite
Wechat : 13706417022
Address : Room 308,44# Wenhua Xi Road Jinan China