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Pentra-Sil (H) 5 Gallon Pail
Pentra-Sil (H) is a Convergent Nano-Lithium densifier in a 5 gallon pail for freshly placed concrete, tilt-up slabs, and existing cementitious surfaces. One coat sprays on wet, newly finished concrete and hardens the slab with no rinse and no peelable film.
- One-coat spray needs no rinsing after placement
- Sprays while the machine-troweled slab is still wet
- Tilt-up bond-breakers go over the treated slab
$165.62
Drop Shipped
Pentra-Sil (H)
Pentra-Sil (H) is a Convergent Nano-Lithium densifier in a 5 gallon pail for freshly placed concrete, tilt-up slabs, and existing cementitious surfaces. One coat sprays on wet, newly finished concrete, needs no rinse, and leaves no peelable film. Tilt-up bond-breakers go over the treated slab. Keep wet approximately 20 minutes and apply above 40 F. Total solids are 9%.
Key Features
- Nano-Lithium densifier is used at time of placement on fresh concrete
- One-coat spray needs no rinsing after placement
- Tilt-up bond-breakers go over the treated slab
- Keep the surface wet approximately 20 minutes
- Apply above 40 F for at least 2 hours after placement
Applications
- Fresh machine-troweled slabs and tilt-up construction decks
- Existing concrete and cementitious overlays that need dustproofing
- Warehouses, hangars, and industrial floors densified at placement
Technical Specifications
| Property | Value |
|---|---|
| Chemistry | Nano-Lithium densifier, time of placement |
| Pail | 5 gallon |
| MPN | CCT-075-5 |
| Total solids | 9% |
| VOC | <50 g/L |
| pH | 11 to 12 |
| Coverage (machine-troweled) | 450 to 650 sq ft/gal |
| Min apply temp | 40 F |
| Color | Opaque, dries clear |
| Shelf life | 1 year unopened |
Product documents: Pentra-Sil (H) Data Sheet (PDF)
Frequently Asked Questions
What work is Pentra-Sil (H) for?
Time-of-placement densifying on freshly finished machine-troweled concrete and tilt-up slabs, plus existing cementitious surfaces that need more abrasion resistance and less dusting. One coat, no rinse, no peelable film.
What pail size is Pentra-Sil (H) on this page?
A 5 gallon pail, MPN CCT-075-5. Total solids are 9%, specific gravity is 1.06, pH is 11 to 12, and VOC is under 50 g/L.
What rinse does Pentra-Sil (H) need?
None. Spray evenly, keep the surface wet approximately 20 minutes, and broom out puddles as it dries in. On existing slabs, clean first so laitance, curing compound, or coatings do not block penetration.
What coverage does Pentra-Sil (H) have on a machine-troweled slab?
Approximately 450 to 650 sq ft per gallon. Coverage varies with porosity and jobsite conditions. On hot slabs above 90 F, cool and dry the surface first so the densifier does not flash-dry.
What limitations does Pentra-Sil (H) have?
It will not bridge cracks or salvage honeycombed or structurally unsound concrete. It is not for asphalt, non-cement, or painted surfaces. Paint and coatings may go over the densified slab after it dries.
What film does Pentra-Sil (H) leave?
None. It penetrates up to 1/4 in on new concrete and reacts to form insoluble calcium-silica-hydrate, so there is no film to lift or peel. Curing compounds that go on afterward are easier to scrub off.
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