Product Overview
DEWEITE Anti-Alkali Sealing Primer is a premium water-based exterior wall primer and sealer formulated for high-alkaline substrates including fresh concrete, cement plaster, and masonry walls. Manufactured in our GMP-certified facility in China with strict quality control, our primer meets international architectural coating standards and is exported to distributors, contractors, and building material importers worldwide.
Key Features
- Excellent alkali resistance – blocks alkaline substances from migrating through fresh cement and concrete walls
- Strong penetration – deeply seals porous substrates for better topcoat adhesion
- Anti-chalking and anti-powdering – prevents wall surface deterioration
- Water-based, low odor, eco-friendly formulation suitable for interior and exterior use
- Compatible with stone paint, latex paint, and other topcoat systems
- Adjustable color base for tinting on request
Specifications
- Product Type: Water-Based Anti-Alkali Sealing Primer
- Form: Liquid coating
- Solvent Type: Water-based
- Color Options: Transparent, White Tintable, Milky White, Black
- Packaging: 5KG / 10KG (plastic pail)
- Coverage: Approximately 8-10 m² per KG (depending on substrate porosity)
- Dry Time: Surface dry 30 min, recoat 2-4 hours, full cure 7 days
- Application Method: Brush, roller, or airless spray
- Shelf Life: 6 months (unopened, stored in cool dry place)
- Certification: ISO 9001, CNAS tested, MA certified
Wholesale Inquiry
Bulk orders welcome. Please contact us for quotation, samples, and lead time. We support OEM/ODM, custom packaging, and bulk wholesale distribution. Our sales team will provide factory-direct pricing tailored to your order quantity, destination port, and specific requirements.
OEM & Private Label
OEM and private label services available. We support custom packaging, label design, and formulation adjustments for distributors and importers.

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