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High-Transparency Matting Additive for Paints & Coating
Formerly known as HI.PC.0202-M1
BY-O-COAT MM 680 is a bio-based, hydrophilic silica synthesized from rice husk, developed as a high-transparency matting additive for use across multiple industries, including paints, coatings, and surface treatments. It delivers excellent matting performance while maintaining optical clarity, making it ideal for formulations where both appearance and sustainability are critical.
5 Outstanding Benefits
Consistent matte finishes
Precise gloss level control
Smooth
surface
Minimizes defects and cloudiness
Superior scratch resistance
Enhanced mar and abrasion resistance
True-to-tone color
Minimizes darkening risk on dark surfaces
Efficient manufacturing
Easy dispersion and incorporation
Typical Applications
Industrial Protective & Decorative Coatings
Advanced Wood Surface Coatings
Automotive OEM Coating Solutions
Specialized Coatings for Plastics
Technical Specifications
Unit |
|---|
- |
- |
% |
g/cm3
|
µm
|
m2/g
|
Property |
|---|
State |
Appearance
|
Loss on Drying
(2h in 105 oC)
|
Bulk density
|
Particle size (D50)
|
Surface area
|
Spec |
|---|
Amorphous – Micron powder
|
White
|
Max 8.0 |
0.04 – 0.12
|
4.0 – 8.0
|
500 - 700
|
Property | Unit | Spec |
|---|---|---|
Form | - | Amorphous micronized powder |
Color | - | White |
Loss on Drying (2h, 105°C) | % | ≤ 5.0 |
Tamped Density | g/cm³ | 0.02 – 0.07 |
Particle Size (D50) | µm | 4.0 – 8.0 |
Surface Area (BET) | m²/g | 150 – 350 |
Properties
Matting efficiency
4/5
Transparency
4/5
Viscosity
3/5
Smoothness/Haptic
3/5
Sedimentation behavior
3/5
Packaging & Shelf Life
-
Supplied in 12 kg multi-layer paper bags
-
Shelf life: 24 months from the date of production when stored in a dry, sealed condition away from moisture and direct sunlight
Safety & Handling
-
Avoid generating dust; use only in well-ventilated areas
-
Prevent prolonged contact with skin and avoid inhalation of airborne particles
-
Dispose of product and packaging in accordance with local environmental regulations
First Aid Measures
-
In case of skin or eye contact, rinse thoroughly with water
-
If inhaled, move to fresh air and rinse mouth/nasal passages if needed
-
Seek medical attention if irritation or symptoms persist
