Gel Silica (matting agent)

Properties:

 

  1. Good dispersion
  2. Transparent
  3. Better chemical resist

 

Major applications:

 

  1. Furniture coating
  2. Coil coatings
  3. Thin film coating
  4. Leather coatings

 

Specifications:

 

Item A220 A350 A350-1 A360
Appearance White powder
SiO2Content,%≥ 99 98.5 98.5 99
Pore Volume, ml/g 1.2 1.6 1.6 1.6
Average diameter of granule, Laser diffractometry, um 10-14 8 6 3
Ph (5% liquid) 7 7 7 7
Oil absorption, g/100g 250-350 200-300 250-330 290-320
Drying loss(105℃,2Hrs),% ≤ 5 5 5 5
Loss on ignition: (1000℃,2Hrs), %< 4 4 4 4
Whiteness 93 93 93 93
Surface wax treatment Non None None None

 

 

Contrast with major suppliers:

 

W.R. Grace Gasil Degussa Pcm Fuji Sylasia Average Particle Size Pore Volume Ph Oil Absorption  

 

Waxed

Yes
Syloid 169 U70C OK412 SA 270L 256 6.4 1.8 3.5 250 NO
Syloid 221 A 200 380 10.3 1.8 7 280 Yes
Syloid 161 OK500 SA 260L 456 5.8 1.2 6 180
OK520 SA-230L NO
Syloid AL1 A350-I 770 8 0.4 4.2 80 NO
Syloid C809 HP-270 SA 580 8.7 1.8 3.5 280 NO
A 360 3.4 1.2 6 180 NO
Syloid 244FP HP-260 SA 550 9 1.8 7 280 NO
Syloid 74X6000 A 350 440 6.6 1.2 6 180 NO