Introduction:
PCM fumed silica has the widest fumed silica line in Asia, due to our advanced production and application technologies, PCM fumed silica has been widely used in various industries like: Coating, paints, ink, rubber, construction, Battery, emulsion, food, medicine and medical industries…etc.
Specification of PCM fumed Silica
| Item | Specific area | PH value in 4% dispersion | Loss by drying
(105C,2hrs) |
Loss by burning
(1000C,2hr) |
Carbon content*4 | Sieve residue
(45um) |
Type of silica |
| HL-150 | 150±15 | 3.7~4.5 | 1.5% max | 2.0% max | 0.15% max | 0.04% max | Hydrophilic |
| HL-200 | 150±15 | 3.7~4.5 | 2.0% max | 2.0% max | 0.15% max | 0.04% max | Hydrophilic |
| HL-200B | 150±15 | 3.7~4.5 | 2.0% max | 2.0% max | 0.15% max | 0.04% max | Hydrophilic |
| HB-215 | 150±15 | 3.7~4.5 | 0.5% max | 2.5% max | 0.6~1.2% | Trash | Hydrophobic*1 |
| Hb-220 | 150±15 | 3.7~4.5 | 0.5% max | 2.5% max | 0.7~1.3% | Trash | Hydrophobic*1 |
| HL-300 | 150±15 | 3.7~4.5 | 2.5% max | 2.5% max | 0.15% max | 0.04% max | Hydrophilic |
| HL-380 | 150±15 | 3.7~4.5 | 2.5% max | 2.5% max | 0.15% max | 0.04% max | Hydrophilic |
| HB-615 | 150±15 | 5.5~7.5 | 0.5% max | 4.0% max | 1.0~2.0% | Trash | Hydrophobic*2 |
| HB-620 | 150±15 | 5.5~8.0 | 0.5% max | 4.0% max | 1.5~2.5% | Trash | Hydrophobic*2 |
| HB-630 | 150±15 | 5.5~8.0 | 0.5% max | 4.0% max | 2.5~4.0% | Trash | Hydrophobic*2 |
| HB-720 | 150±15 | 4.0~6.0 | 0.6% max | 6.0% max | 3.0~5.0% | 1.0% max | Hydrophobic*3 |
Note:
*1: Surface treated by DDS(Dimethyldichlorosilane)
*2: Surface treated by HMDS(Hexamethyldisilazane)
*3: surface treated by Dimethyl silicon
*4:Carbon content measured after (105C, 2hr)
Tamped density(dried 105C, 2hr): 40~60(g/l)
Silicon Oxide Purity: 99.8% minimum
Sieve residue(45um sieve): 0.04 max(HL-200B:0.02)
Applications and Suggest Application of PCM Fumed Silica
| Application | Type of Silica | Dosage
(m/m %) |
Function | |
| Natural/Synthetic rubber | HL-200, HL-300 | 5.0~30 | Reinforcement | |
| Liquid silicone rubber | HL-200, HB-620, HB-630 | 10~40 | Reinforcement | |
| HTV silicon rubber | HL-200, HL-380
HB-620, HB-630 |
10~40 | Reinforcement
Increase Di-electricity |
|
| RTV
Elastomer |
Silicon rubber | HL-150, HL-200
HB-215, HB-720 |
3.0~20 | Reinforcement
Rheopexy |
| Polyurethane | 3.0~20 | |||
| Polysulfide rubber | 0.1~5 | |||
| Acrylates | 0.5~3.5 | |||
| Adhesive | Polychloroprene Adhesive | HL-200, HB-215
HB-220, HB720 |
1.0~2.0 | Thickening, Rheopexy,increase adhesive properties |
| Epoxy resin adhesives | 0.3~2.5 | |||
| Latex Adhesive | 0.1~1.0 | |||
| PVC | Plastisol | HL-200, HL-300, HL-380 | 0.3~2.5 | Thickening, Rheopexy, anti-setting, fluidity, increase Di-electricity |
| Organic Sol | 0.3~2.5 | |||
| Plasticized PVC compound | HL-200, HL-300 | 01~1.0 | ||
| Cable compound | 1.0~2.0 | |||
| Film | 0.1~10. | |||
| Paint and Coatings
|
Znic dust primer | HL-150,200,300 | 0.5~2.0 | Thickening, Rheopexy, anti-setting, Dispersing, fluidity, increase anti-cotroslve properties |
| Alkyd Resin paint | 0.5~5.0 | |||
| Acrylic resin paint | HL-200, HL-300
HL-380, HB-215 HB-620, HB-630 |
0.3~2.5 | ||
| Polyester resin paint | 0.5~2.5 | |||
| Powder coating | 0.5~5.0 | |||
| Gel coat(UP) | HL-200, HB-720 | 2.0~3.0 | ||
| Printing Inks
|
Letter press | HL-200 | 0.5~2.0 | Thickening, Rheopexy, anti-setting, water blance, increase brightness and contrast |
| Gravure printing | ||||
| Screen printing | HL-200, HL-380
HL-150, HL-200 |
1.0~10 | ||
| Offset printing | 0.5~2.0 | |||
| Medicine and Cosmetic
|
Toothpaste | HL-200, HL-380 | 1.5~5.0 | Thickening, Rheopexy anti-setting, Fluidity, excepient |
| Tablet | 1.5~10 | |||
| Powder | HL-150, HL-200 | 0.1~1.0 | ||
| Suspension, Mixer | 0.2~3.0 | |||
| Suspension, mixer | 0.2~1.0 | |||
| Diazo Type paper | HL-200 | 3.0~5.0 | Profilling, increase contrast | |
| Gel battery | HL-200B | 1.0~5.0 | Thickening, Rheopexy | |
| Defoamer | HL-200, HB-215
HB-620, HB-630 |
1.0~15.0 | Deafoaming, Dispersing Thickening | |
| Thixotropic resin/Gelcoat/Poly putty | HL-200 | 1.0~5.0 | Thickening, Rheopexy, Anti-sagging | |
Contrast table among PCM Fumed Silica and major brand
| PCM | Wacker | Cobat | Evonik(Degussa) | Tokuyama |
| HL-150 | V15/V15A | LM-150/LM-1500 | Aerosil 150 | QS 10 |
| HL-200 | N20 | M-5/M-7D | Aerosil 200 | QS102/QS20 |
| HL-300 | T30 | H-5 | Aerosil 300 | QS 30 |
| HL-380 | T40 | EH-5 | Aerosil 380 | QS 40 |
| HB-215 | H15 | TS610 | R 972 | DM 10 |
| HB-220 | H20 | / | R974 | / |
| HB-630 | / | TS-530 | R812, R812S | / |
| HB-615 | / | |||
| HB-620 | / |
