AAC Block Masonry Mortar
Specialized masonry mortar designed for aerated concrete blocks, providing high water retention, strong bonding and crack resistance for efficient wall construction.
Packaging & Delivery
| Packaging | 3-ply paper-plastic composite bag | Spec. | 25KG/bag | Volume | 60*40*15cm |
| MOQ | 1000KG | Lead Time | 1-7 working days | Shelf Life | 6 months (unopened, in dry conditions) |
| Trade Terms | FOB/EXW | Payment | T/T / L/C | Port | Shanghai / Ningbo |

Product Overview
AAC Block Masonry Mortar, also known as aerated concrete masonry mortar or thin-layer mortar, is a specialized mortar designed for autoclaved aerated concrete blocks (AAC Blocks)βa porous, highly absorbent new wall material.
The key difference from traditional cement mortar lies in its high water retention and high bonding strength. Traditional mortar moisture is easily absorbed by AAC blocks, leading to insufficient cement hydration, reduced strength, weak bonding, and causing wall cracking, hollowing and other issues. Specialized mortar perfectly solves these problems through the addition of water retention agents, redispersible polymer powder and other admixtures.
Product Features
Technical Specifications
| Parameter | Value | Test Standard | Test Result | Status |
|---|---|---|---|---|
| Water Retention Rate | β₯90% | JC/T 890-2017 | 92.5% | Pass |
| Bond Strength (14d) | β₯0.2 MPa | JC/T 890-2017 | 0.26 MPa | Pass |
| Compressive Strength | β₯5.0 MPa (depending on grade) | JC/T 890-2017 | 6.1 MPa | Pass |
| Application Thickness | 3β5mm thin-layer masonry | JC/T 890-2017 | 3β5mm | Pass |
Advantages
High Water Retention
Effectively prevents AAC blocks from rapidly absorbing moisture, ensuring sufficient cement hydration and stable strength development.
Strong Bonding Performance
Provides excellent adhesion with aerated concrete blocks, reducing risks of hollowing and wall detachment.
Thin-Layer Construction
Supports 3β5mm thin-layer masonry, reducing thermal bridges and improving wall insulation performance.
Applications & Operation Video
Trusted across diverse construction scenarios
AAC Block Wall Construction
Used for masonry of internal and external walls with autoclaved aerated concrete blocks.
Infilled Wall Construction
Suitable for infilled walls in frame structures requiring thermal insulation.
Industrial Building Walls
Applied in factory and warehouse wall construction where lightweight blocks are used.
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Usage Guidelines
Water-to-powder ratio: Follow manufacturer's specified mixing ratio
Working time: Use within 2 hours after mixing
Application thickness: 3-5mm thin-layer masonry recommended
Construction temperature: Ideally between 5β~35β
Storage & Shelf Life
Storage Condition
Store in a dry, ventilated place, protected from moisture.
Shelf Life
6 months (unopened, in dry conditions)
Successful Partnership Case Studies
East China Commercial Complex Waterproofing Project
South China Electronics Industrial Park Floor Project
Central China Large Hospital Construction Project
North China Residential Project Wall Works
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