Polyethylene Oxide (PEO, CAS 25322-68-3) is linear water-soluble polyether polymer specially developed for construction dry mix systems. After mixing with cement mortar and plaster, hydrated polymer chains form interpenetrating network structure. It effectively locks free moisture inside mortar matrix, prolongs construction open time, prevents rapid water loss and surface cracking. Meanwhile, it optimizes lubricity and trowelling performance. It is an economical multifunctional additive for all

Product Detail

Product Overview

Polyethylene Oxide CAS 25322-68-3 is high-efficiency water-soluble polymer additive for dry mix mortar and plaster. Conventional additives often cannot balance water retention and construction smoothness. This PEO grade achieves stable water retention capacity while offering excellent lubricating property. It reduces mortar bleeding and segregation, improves surface finish, and can be compounded together with cellulose ethers to lower overall formulation costs.

Key Features

CAS Number: 25322-68-3, Appearance: White free-flowing fine powder
Excellent water retention capacity, slow down water evaporation on plaster surface
Extend construction open time, avoid dry-out during manual trowelling
Improve mortar lubricity, enhance workability and surface smoothness
Reduce bleeding, stratification and dry shrinkage cracking risk
Stable performance under alkaline cement environment
Good compatibility with HPMC, redispersible latex powder and cement fillers
Low recommended dosage, bring obvious cost advantages for dry mortar factories

Main Applications

Water retention additive for interior and exterior cement plaster
Multifunctional admixture for general dry mix masonry mortar
Rheology & water retention modifier for renovation repair mortar
Functional additive for gypsum-based plaster and finishing materials

Usage Guidance

Dry blend PEO powder evenly with cement, mineral fillers and other additives during dry mortar production. Typical dosage: 0.01% ~ 0.08% of total raw materials. It can be combined with cellulose ether for synergistic performance. Conduct lab tests on water retention, open time and crack resistance before mass production. Avoid high temperature long-term storage.

Storage & Package

Seal packages tightly. Store in cool, dry and ventilated warehouse. Prevent moisture absorption, high temperature and direct sunlight. Standard package: 25kg kraft bag with inner PE liner. Shelf life: 12 months under properly sealed storage.

Service Support

Test samples available for mortar formula evaluation. Stable bulk supply. We provide TDS, COA and construction formulation technical support. Welcome to inquire factory quotation.

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Polyethylene Oxide CAS 25322-68-3 Water Retention Agent for Dry Mix Mortar and Plaster

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.