Powder Water Reducing Agent
Powder Water Reducing AgentA water-reducing agent, also known as an admixture or plasticizer, is a chemical additive used in concrete and cement mixtures to reduce the water content needed for workability without sacrificing strength. By decreasing the water-cement ratio, these agents help imp
Product Details
Powder Water Reducing Agent
A water-reducing agent, also known as an admixture or plasticizer, is a chemical additive used in concrete and cement mixtures to reduce the water content needed for workability without sacrificing strength. By decreasing the water-cement ratio, these agents help improve the concrete’s compressive strength, durability, and overall performance.
Types of Water-Reducing Agents
- Normal Water Reducers: Reduce water content by about 5-10%. They are commonly used in general concrete mixes.
- High-Range Water Reducers (Superplasticizers): Reduce water content by more than 10-30%. They enable the production of highly flowable concrete with minimal water, suitable for intricate work or high-strength applications.
- Retarding or Accelerating Agents: Some admixtures also modify setting times, but their primary function relates to controlling the hydration process.
Common Chemical Types
- Lignosulfonates
- Melamine formaldehyde condensates
- Polycarboxylates
- Napthalene sulfonates
Specifications
| PRODUCT | PRODUCT NAME | CODE | FEATURES AND RECOMMENDATIONS | DESCRIPTION | |
| Powder Water-Reducers Admixtures | PCE-104P | SD0077 | PCE powder for gypsum | Powder | |
| PCE-128P | SD0166 | PCE powder for grouting material | Powder | ||
| PCE-802P | SD0011 | PCE powder for self-leveling mortar | Powder | ||
| PCE-906P | SD0076 | PCE powder for uhpc | Powder | ||
| PCE-154F | SD0163 | Flake water reducer, high solid content, easy to store， high range water reducer | Flake | ||
| PCE-155F | SD0164 | Flake water reducer, high solid content, easy to storehigh slump retention | Flake | ||
| PCE-157P | SD0165 | Highly slump retention，6-9 hours of ultra long collapse protection time | Powder | ||
| SL-50P | SD0168 | Sodium lignosulfonate | Powder | ||
| CL-50P | SD0167 | Calcium lignosulphonate | Powder | ||
| SMF-10P | SD0075 | Powder melamine formaldehyde sulfonate | Powder | ||
| SNF-05P | SD0088 | Naphthalene sulfonate | Powder | ||
| SNF-18P | SD0089 | Naphthalene sulfonate | Powder | ||
Benefits
- Increased strength for the same water content
- Improved workability
- Reduced water-cement ratio
- Enhanced durability and resistance to cracking
Application Area
1. Residential Construction
- Purpose: Improve workability and finishability.
- Type: Typically, normal water reducers or superplasticizers for high workability without increased water.
- Benefit: Better surface finish, easier placement in small or intricate molds.
2. Commercial and Large-Scale Infrastructure
- Purpose: High-strength concrete with lower water-cement ratio.
- Type: High-range water reducers (superplasticizers).
- Benefit: Stronger, more durable concrete suitable for bridges, pavements, and slabs.
3. Precast Concrete Products
- Purpose: Enhance flowability and minimize wastage.
- Type: Superplasticizers and retarders to control setting times.
- Benefit: Smooth, uniform products and ease of casting.
4. High-Performance and Technical Concrete
- Purpose: Achieve very high strength, durability, or special properties.
- Type: Superplasticizers with specific formulations.
- Benefit: Meet stringent specifications for aerospace, industrial floors, or offshore structures.
5. Cold Weather Concrete
- Purpose: Prevent setting delays and improve workability.
- Type: Retarders combined with water reducers.
- Benefit: Better placement and setting control in cold conditions.
