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Pentra-Sil (HD) 55 Gallon Drum
Pentra-Sil (HD) is a Convergent high-solids Nano-Lithium densifier in a 55 gallon drum for existing concrete and polishing work. It hardens the slab, cuts dusting, and adds a slight sheen without a peelable film.
- Penetrates the slab with no film to lift or peel
- Increases abrasion and stain resistance for existing concrete
- Keep wet approximately 20 minutes; apply above 40 F
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Pentra-Sil (HD)
Pentra-Sil (HD) is a Convergent high-solids Nano-Lithium densifier in a 55 gallon drum for existing concrete and polishing work. It penetrates and reacts in the slab to raise abrasion and stain resistance, cut dusting, and add a slight sheen without a peelable film. Keep the surface wet approximately 20 minutes and apply above 40 F. Machine-troweled coverage is approximately 550 to 750 sq ft per gallon.
Key Features
- High-solids Nano-Lithium densifier is used on existing concrete and polishing
- Penetrates the slab with no film to lift or peel
- Raises abrasion and stain resistance and cuts dusting
- Keep the surface wet approximately 20 minutes
- Apply above 40 F for at least 2 hours after placement
Applications
- Existing warehouse, retail, and industrial slabs
- Concrete polishing densification passes
- Dustproofing machine-troweled or broom-finished floors
Technical Specifications
| Property | Value |
|---|---|
| Chemistry | High-solids Nano-Lithium densifier |
| Pack | 55 gallon drum |
| MPN | CCT-050-55 |
| Total solids | 16.0% |
| VOC | <50 g/L |
| pH | 11 to 12 |
| Coverage (machine-troweled) | 550 to 750 sq ft/gal |
| Coverage (broom-finished) | 200 to 400 sq ft/gal |
| Min apply temp | 40 F |
| Color | Green tint, dries clear |
Product documents: Pentra-Sil (HD) Data Sheet (PDF)
Frequently Asked Questions
What slabs is Pentra-Sil (HD) used on?
Existing concrete that needs more abrasion and stain resistance, less dusting, and a slight sheen without a peelable film. It is also used during concrete polishing to harden the surface and prolong the polished finish. Typical work includes warehouses, retail floors, hangars, and industrial slabs.
What drum size is Pentra-Sil (HD) on this page?
A 55 gallon drum, MPN CCT-050-55. The chemistry is the same high-solids Nano-Lithium densifier used in smaller containers. Total solids are 16.0% and VOC is under 50 g/L.
What coverage does Pentra-Sil (HD) have?
Machine-troweled floors plan approximately 550 to 750 sq ft per gallon. Broom-finished floors plan approximately 200 to 400 sq ft per gallon. Coverage varies with porosity and jobsite conditions.
What wet time does Pentra-Sil (HD) need?
Keep the surface wet with product for approximately 20 minutes, adding more where it soaks in. Apply only when temperatures stay above 40 F for at least 2 hours after placement. On hot slabs above 90 F, cool and dry the surface first so the densifier does not flash-dry.
What timing does Pentra-Sil (HD) have on new broom-finished concrete?
The datasheet allows application seven days after finishing on newly placed broom-finished concrete. Remove curing materials first if they would block penetration. The surface is ready for traffic when dry.
What film does Pentra-Sil (HD) leave?
None. It penetrates and reacts in the pores so there is no film to lift or peel. It will not bridge cracks or salvage honeycombed concrete, and it is not for asphalt, non-cement, or painted surfaces.
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