NK Glass Primer
Penetrating Water Glass for Concrete
A concrete treatment that penetrates carbonated concrete and promotes recrystallization. It is also used as a primer before applying reactive coatings.

Basic specifications
- Product category
- Penetrating water glass for concrete
- Application rate guide
- 200 cc/m²
- Package
- 4 L × 2 containers per box (approximately 10 kg)
- Water repellency
- None
- Application tool
- Long spray nozzle sold separately
Applications
Treatment of carbonated concrete
Penetrates carbonated concrete and promotes recrystallization.
Primer for reactive coatings
Used as a primer before applying a reactive coating.
Penetration into concrete
Used by penetrating the concrete rather than merely covering the surface.
Selection and application
Selection
For treatment and recrystallization of carbonated concrete or as a primer for reactive coatings where penetration into concrete is required.
Application
May be sprayed directly from the container. The application-rate guide is 200 cc/m². This product has no water-repellent function.
Documents
Documents are provided as original Japanese-language PDFs. Each card includes a concise English summary for orientation.
Japanese product brochure describing the penetrating water-glass treatment for carbonated concrete, recrystallization and use as a primer for reactive coatings; it also states that the product is not water repellent.
Japanese specification summarizing intended uses, alkaline reaction and recrystallization concept, 200 cc/m² application-rate guide, package size and application notes for NK Glass Primer.