Advanced Polymer Waterproof Mortar for Durable Concrete Repairs

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Product Description

Basic Specifications
Model NO.
5-12mm Thick Layer
Function
Antistatic, Moisture-proof, Wear-resistant
Type
Polymer-modified Mortar
Product Name
High Bonding Strength Polymer Cementitious Waterproof Mortar
Standard
BS En 14891
Key Features
Waterproofing
Advantages
Non-Toxic & High Strength
Transport Package
40KG/bag
Trademark
LAUBONG
Production Capacity
50000tons/Month
Visual Presentation
Product Description

CHENSON™ Polymer Modified Waterproof Mortar (Thick Layer) is a high-build, fiber-reinforced cementitious waterproofing mortar formulated with graded coarse aggregates. Using advanced automated technology, this product is engineered for structural leveling and waterproofing of uneven substrates.

🚀Key Features & Benefits
  • High Build Capability (5-12mm): Thick application to fill voids without shrinkage cracks.
  • BS EN 14891 Compliant: Meets performance criteria for Class CM waterproofing.
  • Structural Strength: Compressive strength ≥ 24 MPa and flexural strength ≥ 8 MPa.
  • Excellent Sag Resistance: Thixotropic formula stays in place on vertical surfaces.
  • Strong Adhesion: Bonds powerfully to concrete and masonry (≥ 1.0 MPa).
Technical Data
Characteristic Test Method BS EN 14891 Requirement Typical Value
Product ClassificationEN 14891Class CMPass
Initial Tensile AdhesionEN 14891≥ 0.5 N/mm²≥ 1.0 N/mm²
Tensile Adhesion (Water Contact)EN 14891≥ 0.5 N/mm²≥ 1.0 N/mm²
Waterproofing (Impermeability)EN 14891No penetration (1.5 bar)No penetration
Compressive StrengthEN 1015-11-≥ 24.0 MPa
ShrinkageEN 12617-4< 0.3%≤ 0.15%
Application Guide
📋Mixing Instructions

25kg Bag: 5.5 - 6.0 Liters of water.
40kg Bag: 8.5 - 10.0 Liters of water.

Mix with a heavy-duty drill mixer until lump-free. Allow to slake for 3-5 minutes, then remix. Apply with a steel trowel at a recommended thickness of 5-12mm.

Frequently Asked Questions
What is the recommended application thickness?
The recommended thickness for a single pass is between 5mm and 12mm. If a greater thickness is needed, it should be applied in two coats.
Is this mortar suitable for vertical surfaces?
Yes, the thixotropic formula provides excellent sag resistance, ensuring the mortar stays in place even when applied thickly on walls.
What standards does this product meet?
It is BS EN 14891 compliant, specifically meeting the performance criteria for Class CM waterproofing products.
What is the shelf life of the waterproof mortar?
The product has a shelf life of 12 months when stored in its original, unopened packaging in cool and dry conditions.
Can it be used for underground structures?
Absolutely. It is ideal for basements, tunnels, and retaining walls as it withstands hydrostatic pressure up to 1.5 Bar.
What is the mixing time required?
Mix until consistent and lump-free, let it slake for 3-5 minutes, and then remix briefly before application.

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