Silica-based matting agents - HMMAT® 562
Coatings and Paints Description
Silica-based matting agents: Silica-based matting agents are made of finely ground silica particles that are added to the coating to reduce its gloss and create a matte finish.
HMMAT® 562 is a medium-sized(particle size of 6-6.5 μm) matting agents. They are capable of producing a medium-level matte finish that is neither too glossy nor too dull. This makes them suitable for use in a wide range of coatings, including architectural coatings, industrial coatings, and automotive coatings.
| Properties and test methods | Unit | Typical Value |
| Porosity | ml/g | ≥ 1.8 |
| pH value (5% in water) | | 6.0-8.0 |
| Loss on drying (2 hours at 105 °C) | Wt% | ≤ 5.0 |
| Loss on ignition (2 hours at 1000 °C) | Wt% | ≤ 12.0 |
| Particle size(Malvent) | μm | 5.8-6.3 |
| Oil absorption | g/100g | 210-260 |
| Content of SiO2 (Dry basis) | Wt% | ≥ 99.0 |
| Whiteness | | ≥ 93.0 |
| Surface treatment | | Organic |
Why choose silica-based matting agents?Speciality Silica Silica-based matting agents are a popular choice for manufacturers due to their high efficiency, good durability, cost-effectiveness, versatility, and environmentally friendly properties. They are ideal for use in a wide range of coatings, including architectural coatings, industrial coatings, and automotive coatings.Some of the key features of silica-based matting agents include:- High efficiency: Silica-based matting agents have a high surface area, which makes them very effective at reducing gloss and creating a matte finish. They are able to scatter light in multiple directions, giving the coating a more uniform appearance.- Good durability: Silica-based matting agents are known for their good durability and long-lasting performance. They are resistant to weathering, UV light, and other environmental factors, making them ideal for use in outdoor coatings.- Cost-effectiveness: Silica-based matting agents are typically less expensive than other types of matting agents, making them a cost-effective option for manufacturers.- Versatility: Precipitated Silica And Silicates matting agents can be used in a wide range of coatings, including architectural coatings, industrial coatings, and automotive coatings. They are compatible with a variety of resins and binders, making them a versatile option for manufacturers.- Environmentally friendly: Silica-based matting agents are made of naturally occurring materials, making them an environmentally friendly option. They do not contain harmful chemicals or volatile organic compounds (VOCs), making them safe for use in coatings.- Particle size: Silica-based matting agents are available in a range of particle sizes, which determines their ability to scatter light and produce a matte finish. The optimal particle size will depend on the specific requirements of the coating and the desired finish. 
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