PRODUCT EVOLUTION: IN 1998, THE EUROPEAN
UNION HAS IDENTIFIED THE COBALT CHLORIDE AS CARCINOGENS IN THE SECOND CATEGORY. BLUE SILICA GEL WITH COBALT CHLORIDE IN
EUROPE AND THE HAS BEEN BANNING TO PRODUCE, AND IT HAS A TENDENCY TO BE ELIMINATED GRADUALLY. IN ORDER TO ADAPT TO MARKET’S NEEDS, OUR COMPANY DEVELOPED
ORANGE SILICA GEL WITHOUT COBALT CHLORIDE. PHYSICAL SPECIFICATION:
ITEM
ORANGE SILICA GEL
BULK DENSITY（G/ML）
0.75
SPECIFIC SURFACE AREA（M2/G）
700
AVERAGE PORE DIAMETER（ NM）
2.4
PORE VOLUME（ML/G）
0.32-0.39
SPECIFIC HEAT（KJ/KG.℃）
0.92
THERMAL CONDUCTIVITY (KJ/M.HR.℃）
0.63
REGENERATION TEMPERATURE（℃）
100~120
TECHNICAL SPECIFICATION:
ITEM
SPECIFICATION
SUPERIOR CLASS
FIRST CLASS
QUALIFIED CLASS
ADSORPTION CAPACITY
RH=20%,% ≥
12
10
8
RH=35%,% ≥
20
18
15
RH=50%,% ≥
27
24
20
RH=90%,% ≥
40
36
30
RATTLER LOSS,%≤
10
10
10
PH VALUE
2-4
2-4
2-4
SPECIFIC RESISTANCE ,Ω.CM ≥
5000
3500
3000
SILICA ,% ≥
98.2
98
98
QUALIFIED RATIO OF SPHERICAL GRANULES ,% ≥
95
90
80
RATIO OF SIZE QUALIFIED ,% ≥
100
99.5
90
MOISTURE CONTENT,% ≥
1.5
2.0
5.0
BULK DENSITY, G/ML
0.78
0.75
0.70
COLOR
RH 20% ≥
LIGHT YELLOW
RH 35% ≥
LIGHT GREEN
RH 50% ≥
LIGHT DARK GREEN
ORIGINAL COLOR
ORANGE
USES:
OUR PRODUCT IS MAINLY USED FOR DRYING, INSTRUCTING THE DEGREE OF DRYING OR HUMIDITY, AND WIDE.
