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Water Based Alkali Resistant Primer for Exterior Wall, Moisture Proof OEM Supply
US$2.37
100-999 kg
US$2.27
1,000-1,999 kg
US$2.17
2,000+ kg
Sample price:US$12.50/piece.Request sample
Product profile
Customization
AvailableColor
Clear, Color-Matched PrimerAppearance
LiquidModel NO.
Exterior alkali-resistant primerMain Raw Material
Acrylic Emulsion, Sealer, AdditivesMethod
RollerLevel
PrimerDrying Method
Air DryingCertification
ISO14001, CCC, RoHS, ISO9001, French a+ Environmental CertificationSubstrate
Cement Walls, Old Walls, and Red Brick Walls.Components
PigmentFormation Mechanism
Non Conversion TypeAdhesion
ExcellentGloss
MatteShelf Life
18 Months.Drying Time
Surface Dry 2h Hard Dry 24hWater Resistance
ExcellentApplication Scope
Sealing, Penetrating, and Color FixingFire Resistance
ExcellentPackaging
1kg, 20kgApplication Method
RollerTransport Package
BarrelSpecification
1KG/20KGTrademark
MLIDAOrigin
Dongguan, GuangdongProduction Capacity
15000 Bucket / DayKey features
Strong Alkali Resistance: This water-based alkali resistant primer helps block alkaline substances from cement, concrete, mortar, and putty surfaces, reducing the risk of efflorescence, discoloration,
Excellent Wall Sealing Performance: It seals porous wall substrates and helps prevent uneven absorption, creating a more stable base for interior and exterior wall coatings.
Improves Topcoat Adhesion: The primer enhances bonding between the wall surface and topcoat, helping reduce peeling, flaking, cracking, and poor coating adhesion.
Reduces Color Difference: By balancing wall absorption, it helps the topcoat achieve a more uniform color and gloss, especially on repaired walls, new plaster, or large project areas.
Saves Topcoat Consumption: Proper priming helps reduce excessive topcoat absorption, supporting better coverage and helping contractors control material and labor costs.
Water-Based Low Odor Formula: The water-based formula helps reduce odor during application, making it suitable for indoor residential, commercial, hotel, school, and office projects.
Fast Drying for Project Efficiency: Designed for efficient construction schedules, it dries quickly under proper conditions and allows faster application of the next coating layer.
Suitable for Interior and Exterior Walls: It can be used on properly prepared cement walls, concrete, plaster, masonry, putty walls, gypsum board, and previously painted surfaces.
Compatible with Multiple Wall Coatings: This primer works well with latex paint, exterior wall paint, texture coatings, decorative coatings, and other water-based wall finishing systems.
B2B Project and OEM Support: Samples, technical documents, application guidance, packaging customization, and OEM/ODM support are available for distributors, contractors, and project buyers.
Company profile

Dongguan Meilida New Materials Technology Co., Ltd.Guangdong, China
CertifiedBusiness Type: Trading CompanyAverage Response Time: ≤2.41h
AI-Powered supplier vetting
SummaryDongguan Meilida New Materials Technology Co., Ltd. is a China-based trading company and manufacturer/factory specializing in architectural, industrial protective, functional, and artistic coatings. The supplier reports more than 10 production lines, three facilities in the Pearl River Delta with standardized plants covering over 15,000 sqm, and a dual supply model combining its own R&D and production with authorized Nippon Paint distribution. It states that it maintains ready stock, supports small-batch orders, provides fast response, and offers product customization for residential, commercial, and special applications. The supplier reports 6–10 years of R&D engineer experience, but quality-control staffing is listed as n/a. No certification information, customer cases, after-sales policy, or financial credibility evidence is provided.
Supplier typeThe supplier is explicitly identified as both a trading company and manufacturer/factory engaged in chemicals, with its own coating R&D, production, and processing activities. It also operates as an officially authorized Nippon Paint distributor, indicating a combined manufacturing and distribution model.
R&D capabilityThe supplier reports R&D and production experience in various coatings, 6–10 years of total R&D engineer experience, and a range of specialized artistic products including micro-cement and effect coatings. Its stated mission also emphasizes creating new value and supporting personalized coating demands, providing evidence of product-development capability.
Production capacityThe supplier reports more than 10 production lines and three standardized facilities in the Pearl River Delta covering over 15,000 sqm. Its stated product range spans architectural decorative, industrial protective, functional, and artistic coatings, supporting an assessment of substantial production breadth and infrastructure.
Customization capabilityThe supplier explicitly offers precise customization of high-performance coating products for home decoration, commercial projects, and special applications. It describes a process beginning with needs communication and solution matching, indicating a structured approach to customized product support.
Product Q&A
Q:What is water-based alkali resistant primer?
A:
It is a water-based wall primer designed to seal alkaline substrates and create a stable base before applying interior or exterior wall paint.
Q:What is the main function of this primer?
A:
It helps block alkali from cement, concrete, mortar, and putty surfaces, reducing the risk of efflorescence, discoloration, peeling, and topcoat failure.
Q:Where can this alkali resistant primer be used?
A:
It can be used on properly prepared interior and exterior walls, including cement walls, concrete, plaster, masonry, putty walls, and gypsum board.
Q:Is it suitable for new walls?
A:
Yes, it is especially suitable for new cement or plaster walls where alkalinity and uneven absorption may affect the final paint finish.
Q:Can it be used for old wall renovation?
A:
Yes, it can be used for renovation projects after loose paint, dust, oil, and powdery materials are properly removed.
Send Inquiry
*To:
Dongguan Meilida New Materials Technology Co., Ltd.
Dongguan Meilida New Materials Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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