Photoluminescent pigment is a new-type of environmentally friendly Alkaline earth aluminate pigment with the characters of non-toxic, innocuous, non-radioactive.

• 稀土发光颜料是一种新型的、色环保碱土铝酸盐光致发光颜料，该颜料通过吸收各种可见光后在暗处可实现自动发光功能，发光时间长达10小时以上，并可无限次循环使用。