性能：
本品为球形或不规则形状的颗粒，根据外观的颜色不同可分为紫色、桔红色或黄色三种型号，其主要成分为二氧化硅，颜色随湿度不同而变化，除具有蓝胶性能外，还具有不含钴、无害的优点
用途:
本品主要用于干燥，指示干燥程度或湿度，广泛用于精密仪器、医药、石油化工、食品、服装、皮革、家电及其它工业气体等。
Characteristics：
In the form of spherical or irregularly-shaped grains, the silica gel is currently presented either purple, orange or yellow. With silicon dioxide as the chief ingredient, the product performs all the functions of blue silica gel but does not contain cobalt chloride and is therefore innocuous and pollution-free, and its color varies as humidity changes.
Use:
Mainly for drying and indicating humidity of precision instruments, medicine, petrol chemicals, foodstuff, clothing, leather, electric appliances, other industrial gases, etc.
技术指标：
|
项 目
|
蓝胶指示剂
|
变色硅胶
|
蓝胶
|
典型数值
|
|
吸附量
%
|
RH=20 % 3
|
8.0
|
--
|
--
|
8.5
|
|
RH=35 % 3
|
13.0
|
--
|
--
|
13.6
|
|
RH=50 % 3
|
20.0
|
20.0
|
18.0
|
22.5
|
|
RH=90 % 3
|
--
|
--
|
28.0
|
31.4
|
|
磨耗率，%￡
|
10.0
|
10.0
|
10.0
|
0.5
|
|
粒度合格率,%3
|
96
|
90
|
90
|
97
|
|
加热减量, %￡
|
5.0
|
5.0
|
5.0
|
0.9
|
|
显色变化
|
RH=20 %
|
蓝或浅蓝色
|
--
|
--
|
合格
|
|
-
|
-
|
--
|
--
|
--
|
|
RH=50 %
|
浅红色
|
浅红色
|
浅紫色或浅红色
|
合格
|
