Polymer Waterproof and Crack-Resistant Mortar
The product is available in two types (waterproofing and anti-cracking), offering high flexibility, high bonding strength, superior weather resistance, excellent waterproof and anti-crack performance, environmental friendliness, and ease of use.
Information
-
Net Weight: 25KG, 40KG
-
Model: Thin-layer, Thick-layer
Features
-
Low shrinkage: Effectively reduces cracks and fissures.
-
Strong adhesion: Active ingredients penetrate substrate pores to create a dense, crystalline waterproof layer.
Anti-crack layers for EPS/XPS boards and thermal insulation mortars. Waterproofing and leak repair for masonry and concrete. Ideal for underground seepage prevention projects.
- Prep: Clean the substrate and inspect for defects.
- Mixing: Mix 5.5-6kg water per 25kg bag, or 8.5-10kg water per 40kg bag, until smooth.
- Thickness: Recommended layer is 3-10mm.
Complies with JC/T 984-2011 and JG/T 158-2013 standards.
| Test Items | Technical Requirements |
| Impermeability Pressure | ≥ 1.5 |
| Compressive Strength | ≥ 24 |
| Flexural Strength | ≥ 8 |
| Bond Strength | ≥ 1.0 |
| Shrinkage Rate | ≥ 0.15 |
| Water Absorption | ≥ 4 |
| Test Items | Technical Requirements |
| Bond Strength to EPS | Original Strength: ≥ 0.1 / After Water Immersion ≥ 0.1 |
| Bond Strength to Cement Mortar | Original Strength ≥ 0.7 / After Water Immersion ≥ 0.5 |
| Pot Life | ≥ 1.5 |
| Compressive-Flexural Ratio | ≥ 3.0 |
NOTE
- Pot Life: Use mixed mortar within 2 hours.
- No Re-mixing: Never add water to hardened mortar.
- Conditions: Do not use below 0° C or in damp, unventilated areas.
- Compatibility: Do not mix with other mortars.
- Storage: Store in a cool, dry place; shelf life 12 months.





