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.