# EPOXY CLEAR CEMENT PRIMER
RAINBOW PAINTS
## Product Code
No.1073
## Type
Two-component transparent primer composed of epoxy resin and special hardener.
## Application
Transparent waterproof & alkali-resistant primer for cement walls, cement pipelines and cement products; penetrating primer for concrete floor coating systems.
## Properties
1. Excellent resistance to fresh water, seawater and sewage
2. Outstanding acid and alkali resistance
3. Tough coating film with strong adhesion
4. Good abrasion resistance
## Specification Data
- Color: Transparent liquid
- Specific Gravity: ≥0.94 kg/L (mixed paint)
- Viscosity: 50~65 KU (mixed paint, 25°C)
- Drying Time
- Surface dry: Within 2 hours
- Hard dry: Within 8 hours
- Full cure: 7 days (25°C)
- Film Thickness: Wet film 85 μm, Dry film 25 μm
- Theoretical Coverage: 11.8 ㎡/L, 12.5 ㎡/kg
- Recoating Interval: Min. 12 hours, Max. 5 days (25°C) / Max. 3 days (30°C)
- Mix Ratio: 3:0.4 (or follow bucket marking)
- Volume Solids: 29% (mixed paint)
- Pot Life: 4 hours after mixing at 32°C
- Thinner: No.1005 Rainbow Thinner
- Thinner Dosage: 0~5% (only for tool cleaning)
- Compatible Topcoats: Rainbow series topcoats
- Storage Stability: Minimum 3 years under normal storage
## Application Methods
Brush Coating, Airless Spray, Roller Coating
## Construction Precautions ⚠️
1. Mix base and hardener evenly in specified ratio before use.
2. Thoroughly remove all surface contaminants including moisture, grease, sludge, dust, rust and corrosive salts from substrates.
3. Avoid construction when temperature below 10°C, raining or ambient relative humidity over 85%RH. Ensure full surface dryness for damp substrates.
4. Clean all coating equipment immediately after use.
5. Maintain sufficient ventilation during construction inside tanks or pits.
## Note
All data provided in this product datasheet are derived from internal laboratory tests for construction design reference only. Actual performance varies subject to different construction environments. This document does not constitute any legally binding warranty or statement from the manufacturer. Contact our technical department for clarification of any uncertainties.