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Enzymes for Research, Diagnostic and Industrial Use

Standard Concrete Pumping Admixture

Cat No.
CEGZ-6378
Description
A composite concrete pumping admixture formulated from a naphthalene-based high-range water reducer together with slump-retaining, air-entraining, strength-enhancing, and water-retaining components.
Applications
Designed for long-distance transport and site pumping of ready-mixed concrete, especially medium- and low-strength concrete and mixes up to approximately C40.
Appearance
Brown liquid.
Package
Drum, tanker, or bulk supply.
Product Overview
The admixture provides early-strength and strengthening effects, can improve impermeability and frost resistance, extends initial and final setting while allowing normal later hydration, and supports slump retention with reduced slump loss. It may be used with hard gypsum and phosphogypsum-regulated cement after compatibility testing and does not promote corrosion of reinforcing steel.
Form
Liquid
Composition
Naphthalene-based high-range water reducer compounded with slump retainer, air entrainer, strength enhancer, and water-retaining agent.
Storage
Store in the original sealed package above 0°C. Shelf life: 6 months.
Warnings
Avoid excessive dosage because over-retardation may cause construction-quality problems and insufficient dosage may not provide the intended protective effect.
Shipping Conditions
Transport in drums, tankers, or bulk containers; protect from rain and water.
Quality
Density: 1.10-1.16.
pH: 7-9.
Usage
Normal dosage range: 1.5-2.5%; typical dosage: 2.0%. Determine the optimum dosage by trial. For first use or when changing cement type, conduct an adaptability test. Calculate water reduction on the basis of total cementitious material. When added during mixing, extend mixing time by at least 30 seconds; the product may be added after mixing water in one addition.

For research and industrial use only. Not intended for personal medicinal use. Certain food-grade products are suitable for formulation development in food and related applications.

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For research and industrial use only. Not intended for personal medicinal use. Certain food-grade products are suitable for formulation development in food and related applications.

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