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AGC Chemicals Americas, Inc. RESIFA™ SOLESPHERE™ NP-200 is a non-porous, heat-treated silica particle. Belonging to the NP-series, it has a very high hardness, so it is often used as a filler for increasing resin hardness. The high refractiveness of these grades offers good transparency when added to resins and films. It is also used for anti-blocking in film applications. The NP-series has excellent heat resistance and is very dimensionally stable at various temperature ranges.

Chemical Family: Barium Salts, Silica

Functions: Carrier, Filler

Synonyms: Silica, SiO2

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Catalyst Support
Chemical Family
CASE Ingredients Functions
Cosmetic Ingredients Functions
Industrial Additives Functions
Plastics & Elastomers Functions
EC No.

Features & Benefits

Benefit Claims
Labeling Claims

Applications & Uses

Application Format
Compatible Substrates & Surfaces
Plastics & Elastomers End Uses
Use Level
Formulating with SOLESPHERE™ Silica

SOLESPHERE™ provides excellent formulation flexibility as it can be added to any phase of the formulation. Through product and application testing, it has been shown SOLESPHERE™ silica provides the same effects in the formulation regardless of whether they are added to the water phase/aqueous phase, oil phase, or even if added at the very end.

  • The effects of the silicas will show with just 1% added, however, adding more can increase benefits. 2-2.5% is the typical loading level.
  • It is not recommended to add more than 3-4% in total silica content. This can result in the formulation appearing “chunky.”
  • Multiple SOLESPHERE products can be added to a formulation to achieve different desired goals, but it is important to not go over the 3-4% total.
  • Significant SPF boosting with H-53 and H-52 will show with just 1-2% added.
Application Information

Cosmetics and Personal Care

SOLESPHERE™ silica gels are used as additives in cosmetic and personal care applications such as make-up, skin care products, deodorants and fragrances.


Resins and Polymer Compounds

When added to polymer formulations, SOLESPHERE™ silica gels offer anti blocking and improved dielectric insulation properties. SOLESPHERE™ also provides good UV and hardness properties as an additive for 3D resins.


Catalyst Supports

SOLESPHERE™ is used as a catalyst support carrier particularly with polyolefin manufacturing processes.


Paper Coating

By adding SOLESPHERE™ to paper coating formulations, surface hardness can be increased and matting effect improved.



SOLESPHERE™ silica gels are used to improve the matting effect in coatings, as a thickener for paints, and for specialized paints for electronic materials.


Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Bulk Density0.85g/mL-
Mean Particle Size20μm-
Oil Absorption40mL/100g-
Pore Volume0.1mL/g-
Specific Gravity2.18g/mL-
Specific Surface Area100m²/g-

Regulatory & Compliance

Technical Details & Test Data

Particle Structure

RESIFA™ SOLESPHERE™ NP-200 - Particle Structure

  • L-series Primary particle is larger than H-series one
  • Same oil absorption as H series and lower specific surface area
  • Lower surface silanol group than H series

Safety & Health

Storage and Handling

A Safety Data Sheet for this product may be obtained from your local AGC representative. Before handling, it is recommended to review the Safety Data Sheet for handling, safe, and health information.

Packaging & Availability

Packaging Type

SOLESPHERE™ is packaged in a triple lined polyethylene bag contain in a cardboard carton. The box unit is 25 kgs for all NP grades. Pallet weight is 450 kgs.

Storage & Handling

Shelf Life
2 Years
Storage and Shelf Life

SOLESPHERE™ silica gels have a shelf life of 2 years from the date of manufacture when stored in the original, unopened package between 10 and 40 ºC.