Performance Comparison Between PCE and Naphthalene-based Water Reducer
AEOR CHEMICAL
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Basic Performance Difference:
DOSAGE:PCE:0.1-0.4%,Naphthalene:0.3-1%
Water Reducing Rate:PCE:up to 60%,Naphthalene:15-25%
Slump Retention:PCE:Almost no slump loss in 90 minutes,Naphthalene:Large slump loss
28 days enhanced effect:PCE:140-250%,Naphthalene:120-135%
28 days shrinkage:PCE:80-115%,Naphthalene:120-135%
Tunability of molecular structure:PCE:High structural variability and great potential for high performance,Naphthalene:No tunability
Mechanism of action:PCE:Electrostatic repulsion and steric hindrance, Naphthalene:Mainly steric hindrance
Potassium, sodium ion content:PCE:0.2-1.5%,Naphthalene:5-15%
Environmental performance and other harmful substances:PCE:Does not contain any harmful substances during production and use, and has excellent environmental protection performance.
Naphthalene:Poor environmental protection performance, a large amount of harmful substances such as formaldehyde and naphthalene are used in the production process, and there are a certain amount of harmful substances in the finished product
Concrete Strength:
PCE:
Dosage(%) Water cement ratio Compressive strength (Mpa)
0.15 0.43 3-day:31.1,7-day:46.5,28-day:59.7,90-day:65.4
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0.18 0.40 3-day:39.1,7-day:60,28-day:71.7,90-day:78.5
0.20 0.395 3-day:40.5,7-day:63,28-day:74.7,90-day:83.9
0.25 0.39 3-day:40,7-day:65,28-day:75.1,90-day:85.9
0.30 0.38 3-day:40.3,7-day:67,28-day:73.5,90-day:80.4
0.35 0.375 3-day:42.1,7-day:72.6,28-day:77,90-day:83
0.40 0.375 3-day:39.2,7-day:70,28-day:75.3,90-day:78.4
Features compared with Naphthalene：
The alkali content of PCE water reducing agent introduced into concrete is low
The concrete durability of PCE superplasticizer is better
PCE water reducer is non-polluting during production, the product is non-toxic, and does not pollute the environment.
Price：
Naphthalene(Powder 92%) FOB price Qingdao: $685/ton
PCE(Liquid 50%)FOB price Qingdao: $805/ton
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