Blue Silica Gel with Cobalt Free, 1-2mm, 1-3mm, 2-4mm

• CAS No.: 7631-86-9
• Formula: Sio2. N (H2O)
• EINECS: 231-545-4
• Shape: Bead or Ball
• Drying Method: Static Drying
• Kind: Silica-Gel Desiccant
• Model NO.: CF
• Sorbent: Silica Gel
• Desiccant: Physical Desiccant
• Transport Package: Bags, Drums, Box
• Specification: 25kgs, 500kgs, 1000kgs
• Trademark: Hiland
• Origin: China
• HS Code: 281122
• Production Capacity: 60000000

Product Description

Product : Blue silica gel cobalt free 

Feature: Blue silica gel cobalt free is color-changing silica gel and blue silica gel, not content Cobalt.
it has the appearance of the blue or light blue glass-like particles, according to the shape of particles It can be divided into spherical ones and granular ones.
Meanwhile, It has a property of turning rose red from blue after absorption.
Usage:
1. Mainly used for moisture absorption and rust proofing when instruments and equipment are placed in obturation conditions, at the same time, according to their own color turning red from blue after the moisture absorption it can indicates ambient humidity directly.
2. It being used with ordinary  silica gel desiccant, we can get the desiccant moisture level and judge the relative ambient humidity.
3. Desiccant silica gel used for packaging, it is widely used in precise instruments, leather, shoes, clothing, food, medicine and household appliances, etc.

ITEM		Standard
Adsorption capacity %	RH=20%	8.0min
	RH=35%	13.0min
	RH=50%	20.0min
	RH=90%	----
Rattler loss%		10.0max
Qualified size ratio %		96min
Loss on heating %		2.0max
color	RH=20%	Blue or light blue
	RH=35%	purple or purplish red
	RH=90%	rose red

Size:       Beads 1-2mm,1-3mm,2-4mm,2-5mm,3-5mm,4-6mm or customized.                      
Packing: 25KG per compound bag, drums or customized.