SEMISIL
SEMISIL H100 Fumed Silica Matting Agent
SEMISIL — Own BrandFull brand site
CAS 112945-52-5In StockSample available
Key Features
- High transparency — preserves gel-coat clarity
- Direct ACEMATT TS 100 alternative at 30-45% lower landed cost
- Compatible with UP, EP, vinyl ester, PU resin systems
- Easy dispersibility under low shear
- Chemical stability against typical composite cure systems
SEMISIL H100 is a surface-treated fumed silica matting agent for the clear topcoat of cured composite parts — UP, EP, vinyl ester gel-coats and post-finishing PU topcoats. BET 230-270 m²/g, particle size 8-11 µm, oil absorption 300-380 g/100g. Direct alternative to Evonik ACEMATT TS 100 for composite finishing applications.
Specifications
| Parameter | Value |
|---|---|
| pH value | 6.0-9.0 |
| appearance | White fluffy powder |
| SiO2 content | ≥99.0 wt% |
| loss on drying | ≤5.0 wt% |
| oil absorption | 300-380 g/100g |
| BET surface area | 230-270 m²/g |
| loss on ignition | ≤10.0 wt% |
| particle size (d50) | 8-11 µm |
Applications
Composite gel-coat matting for marine, wind blade, automotive partsClear topcoat finishing on UP / EP / vinyl ester laminatesPost-cure PU topcoat over composite substratesPultruded part finishing — visible matt lookHand-lay-up and infusion clear topcoats
FAQ
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