Product Overview
Product Name: High-Performance Polymer-Modified Repair Mortar
Category: Construction Chemical Additives & Ready-Mix Dry Mortars
Description
Our Polymer-Modified Repair Mortar is a single-component, pre-mixed cementitious mortar specifically engineered for concrete structural restoration and surface defect patching. Formulated with high-grade cement, graded silica sand, redispersible polymer powder (RDP), and specialized chemical additives, this product delivers exceptional bonding strength, excellent anti-shrinkage performance, and superior durability in harsh environments.
It provides an ideal solution for repairing interior and exterior concrete walls, floors, beams, and columns, ensuring long-term structural integrity and a smooth surface finish.
Key Technical Characteristics
Appearance: Grey or white powder
Base Material: Portland cement, selected aggregates, and high-performance polymer additives
Mixing Ratio: Approx. 16%–18% water by weight (or adjust according to site requirements)
Application Thickness: 3 mm to 20 mm per layer
Pot Life: Approx. 30–45 minutes (at 25°C)
Compressive Strength (28d): ≥35MPa
Adhesive / Bond Strength: ≥1.5MPa
Key Advantages & Features
Superior Adhesion: Excellent bonding capacity to old concrete, masonry, and steel reinforcement, preventing delamination or peeling.
Crack & Shrinkage Resistance: Incorporates optimized polymer modifiers to minimize drying shrinkage and resist dynamic cracking.
Waterproof & Weather Resistant: Offers low permeability, protecting embedded steel reinforcement from carbonation and chloride corrosion.
Easy to Use: Single-component, factory pre-blended formulation—just add clean water on-site for consistent and reliable application.
Eco-Friendly: Non-toxic, odorless, and complies with international environmental standards.
Recommended Applications
Concrete Repair: Patching spalled concrete, honeycombing, and surface voids on walls, columns, balconies, and beams.
Floor & Deck Restoration: Repairing damaged industrial floors, ramps, and pavement surfaces prior to applying self-leveling underlayments or epoxy coatings.
Facade & Wall Patching: Making non-structural repairs on exterior and interior cementitious surfaces before painting or waterproofing.
Packaging & Storage
Standard Packaging: 25 kg per craft paper-plastic composite bag lined with a PE film bag.
Storage Condition: Store in a cool, dry, and well-ventilated warehouse away from moisture and direct sunlight.
Shelf Life: 12 months in unopened original packaging.
