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Composite Expansion Agent Expansion Agent EAM-2
Composite Expansion Agent Expansion Agent EAM-2
Composite Expansion Agent Expansion Agent EAM-2
Composite Expansion Agent Expansion Agent EAM-2

Composite Expansion Agent Expansion Agent EAM-2

Composite Expansion Agent Expansion Agent EAM-2 Specification

  • HS Code
  • 38244010 (Construction chemicals)
  • Melting Point
  • Not applicable (inorganic composite)
  • Molecular Formula
  • Not specified - composite material
  • Purity
  • 98%
  • Smell
  • Odorless
  • Taste
  • Odorless and tasteless
  • Solubility
  • Insoluble in water
  • Density
  • 3.2 Gram per cubic centimeter(g/cm3)
  • Other Names
  • Cement Expanding Agent
  • Poisonous
  • Yes
  • Storage
  • Keep dry, sealed in original packaging
  • Shape
  • Powder
  • Ph Level
  • Alkaline (pH > 11 when mixed in water)
  • Form
  • Powder
  • Classification
  • Additive, Construction Chemical
  • Chemical Name
  • Composite Expansion Agent EAM-2
  • Grade
  • Industrial
  • Standard
  • ASTM C806, GB23439-2009
  • Type
  • Expansion Agent
  • Usage
  • Construction, civil engineering, repair mortar
  • Main Material
  • Composite inorganic materials
  • Application
  • For concrete and mortar expansion, anti-cracking, densification
  • Non Toxic
  • Yes
  • Shelf Life
  • 6-12 months in dry condition
  • Color
  • Light gray to off-white
  • Packing
  • 25 kg or 50 kg bags
  • Dosage
  • Recommended 6-8% of cement weight
  • Compressive Strength
  • > 42 MPa (with standard mix)
  • Setting Time
  • Adjustable as per requirement
  • Expansion Rate
  • 2.0 mm/m (at 28 days)
  • Compatibility
  • Compatible with Portland cement and most admixtures
  • Hazard Class
  • Non hazardous material
 
 

Composite Expansion Agent Expansion Agent EAM-2 About

Expansion Agent EAM-2 is an Expansion components. It supplies Expansion performance from calcium sulfoaluminate and calcium oxide. It is used for the production of dry mortar, mortar and concrete with targeted volume expansion.

Expansion Agent EAM-2 supply below performance and advantages:

  • Targeted volume expansion (swelling)
  • Rich adaptation to surrounding surfaces via expansion pressure
  • Compensation of shrinkage
  • High compatibility

Application and dosage

Expansion Agent EAM-2 is mainly use for cement based concrete and mortars. The typical application is as follows:

  • Filling in cavities in concrete, masonry or rock
  • Closing joints between concrete parts
  • Closing pipe feed-throughs, foundation underpinning
  • or cementitious dry mortar 



Reliable Performance for Concrete & Mortar

EAM-2 delivers reliable expansion to counteract shrinkage, reducing the risk of cracks and enhancing the density of concrete and mortar. Suitable for anti-cracking and densification in new builds or repair projects, it supports durable construction by achieving high compressive strength and controlled setting properties.


Versatile Application Across Projects

This expansion agent is ideal for construction, civil engineering, and repair mortar works. Its compatibility with Portland cement and admixtures makes it adaptable for a range of concrete compositions, providing versatility without compromising performance. EAM-2's easy mixing ensures uniform dispersion for optimal results.


Safe, Stable, and Environmentally Friendly

Classified as non toxic and non hazardous, EAM-2 is safe to handle and store under recommended dry, sealed conditions. Its inorganic composite composition ensures stability, while its odorless, tasteless nature makes it user-friendly. Adhering to ASTM C806 and GB23439-2009 standards, it meets stringent quality requirements.

FAQ's of Composite Expansion Agent Expansion Agent EAM-2:


Q: How do I use Composite Expansion Agent EAM-2 in my concrete mix?

A: Add EAM-2 to the dry mix at a dosage of 6-8% of the cement weight. Ensure thorough mixing with Portland cement and other admixtures before adding water. Mix until a uniform blend is achieved for best expansion results.

Q: What types of projects benefit from using EAM-2?

A: EAM-2 is suitable for a wide range of construction applications, including anti-cracking, densification, and repair of concrete and mortar in buildings, civil engineering structures, and roads. Its performance makes it ideal for both new construction and renovation work.

Q: When should EAM-2 be added during the concrete mixing process?

A: EAM-2 should be incorporated with the cement and other dry components before water is introduced. Early integration ensures even distribution and optimal expansion properties in the final mixture.

Q: Where should Composite Expansion Agent EAM-2 be stored to preserve its effectiveness?

A: Store EAM-2 in its original, tightly sealed packaging in a dry area. Protect from moisture and humidity to maintain its potency and extend its 6-12 month shelf life.

Q: What are the primary benefits of using EAM-2 in concrete and mortar?

A: EAM-2 minimizes shrinkage cracks, enhances the compactness and durability of concrete, offers excellent compressive strength (>42 MPa), and ensures controlled expansion rates. It is also non-toxic, non-hazardous, odorless, and compatible with most common cement admixtures.

Q: Is EAM-2 safe for use and environmentally friendly?

A: Yes, EAM-2 is classified as non-hazardous and non-toxic, with no irritating smell or taste. It is safe to handle using standard industry practices and does not pose environmental risks when used as directed.

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