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Concrete and Construction Mixtures
HPEG 2400
Formula:
СН2=С(СН3)СН2О (СН2СН2О)nH
GOST/CAS:
CAS 31497-33-3
HPEG 2400 (Methallyl alcohol polyoxyethylene ether) is a water-soluble macromonomer that serves as the main raw material for synthesizing new-generation, high-performance polycarboxylate ether (PCE) superplasticizers. The product comes in the form of white or light yellow solid flakes. Due to the high reactivity of its double bonds, HPEG 2400 easily undergoes copolymerization with acrylic acid. The admixtures synthesized from it provide the concrete mix with excellent fluidity, an extremely high rate of water reduction, and excellent slump retention over time.
Applications
Production of construction chemicals: Serves as the base monomer for the synthesis of polycarboxylate superplasticizers (concrete admixtures).
Ready-mix concrete: Used (as part of formulated PCE) for the production of high-strength, self-compacting, and pumpable concrete.
Precast concrete: Used in mixes to achieve high early compressive strength, which accelerates formwork removal and mold turnover.
Special dry mortars: Applied in the production of self-leveling floors, non-shrink grouts, joint fillers, and highly durable repair mortars.
Key Advantages
High water reduction: Superplasticizers based on HPEG 2400 can reduce the water demand of a concrete mix by up to 30–40% without losing fluidity.
Excellent slump retention: Ensures long-term preservation of workability, which is critical for long-distance concrete transportation and pumping.
Broad compatibility: Shows great adaptability to various types of cement and supplementary cementitious materials (fly ash, silica fume, slag).
Eco-friendliness and safety: The product is non-toxic, formaldehyde-free, does not corrode steel reinforcement, and is completely environmentally safe.
Storage & Transportation
- Store in dry, cool, and well-ventilated warehouses in the original sealed packaging.
- Avoid direct sunlight and exposure to high temperatures (above 40°C), as the product is prone to caking (agglomeration) when heated.
- Transportation is possible by all types of covered transport. The material is classified as non-hazardous cargo. The shelf life is 1 year.
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Technical Specifications
Appearance
White or light yellow flakes
Molecular weight
~ 2400
Hydroxyl value
22.0 – 25.0 mg KOH/g
Moisture mass fraction
≤ 0.2%
pH (10% aqueous solution)
5.0 – 7.0
Double bond content
≥ 0.38 mmol/g
Supply info
- Paper-plastic or woven polypropylene bags with a polyethylene inner liner, 25 kg each.
- FIBCs (big bags) weighing 800 – 1000 kg (upon agreement with the customer).