The go-to mortar for contractors tackling freeze-thaw zones and tight deadlines.
Beat the Clock - Reset tiles within 20 minutes
Defy the Elements - 0.857MPa after freeze-thaw cycles
Cut Material Costs - 5-10kg/m² coverage (avg. 30% savings)
No Special Tools - Applies with standard notched trowel
Product Introduction
When the Xingang port authority needed an adhesive surviving salt spray and winter storms, they tested 7 brands. Zrete C1 held 0.901MPa after 50 freeze-thaw cycles – 23% above project specs.
Why Engineers Specify C1
1.35MPa compressive strength
20-minute critical working window
85% strength retention post-freeze
The Science Behind Simplicity
Unlike polymer-modified competitors, C1 uses calcium aluminate activation – creating crystalline bonds that strengthen in damp conditions. Perfect for:
Steam rooms where epoxy fails
Concrete high-rises needing vibration resistance
Sub-zero climate projects (-45°C tested)
Product Parameters
| Property | Test Method | Value | Industry Std |
| Compressive Strength | EN 1015-11 | 1.35 MPa | ≥0.5 MPa |
| Freeze-Thaw Resistance | EN 12004 | 0.857 MPa | ≥0.5 MPa |
| Adjustability Time | ISO 13007 | 20 min | ≥10 min |
| Wet Adhesion | EN 1348 | 0.845 MPa | ≥0.5 MPa |
Product Usage
Porcelain/Ceramic ≤800x800mm
Concrete/cured screed bases
Humidity ≤85% environments
Installing >1.2m marble slabs
Over fresh gypsum plaster (<7 days)
Ambient temp <5°C without heaters
Water Ratio Sweet Spot: 5.3L per 25kg bag at 23°C/50% RH.
Start with 5.0L water
Mix 3 minutes
Rest 5 minutes
Add 100ml increments until creamy
Related Products
C1 Standard Tile Adhesive - EN 12004 Certified | Freeze-Proof & 20min Adjustable
Professional-grade tile adhesive for contractors needing reliability in extreme conditions.
C2F Rapid-Curing Tile Adhesive - 0.5MPa in 6h | EN 12004 C2F Certified
Heavy-duty adhesive for large format tile installations requiring extreme climate resistance.
C2 Enhanced Tile Adhesive | Large Format Specialist
Heavy-duty adhesive for large format tile installations requiring extreme climate resistance.
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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