Naphthalene Highly Effective Retarding & Water Reducer
| Place of Origin: Jiangsu China (Mainland) | Brand Name: XST |
UNF-5A Naphthalene highly effective retarding & water-reducing admixture
1.retarding
2.super-plasticized
3.water-reducing
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Product Description
UNF-5A Naphthalene pure highly effective retarding & water-reducing admixtures for concrete has the characteristics of retarding, super-plasticized, water-reducing, less loss of slump. It is very effective concrete admixture to adopt in high temperature area.
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Main Properties and Characteristics
Excellent effect of retarding: It can be used in retarding the setting of concrete for 2 hours
to 36hours, and initial setting and ultimate hardening almost delay the same long time
corresponding, so that its convenient for conveying at long distance.
With the water-reducing rate of 12%-25%, it can improve the floating, permeation-proofing ability , and the workability of concrete, concrete compression resistant, and other physical mechanics will be also gained.
Reduces cement dosage by 12%-25%without altering compression strength and slump.
Good for many applications:Portland cement, ordinary Portland cement, Portland fly-ash cement , Portland pozzolan cement and Portland blast Furnace-slag cement.
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Typical performance
UNF-5A improves initial and ultimate strengths. It also gets less loss of slump and improves
workability of the concrete more than traditional concrete admixture. The lower content of
Na2SO4, in the admixture, will lead to meet the requirement of the special cement concrete
engineering project in the coastland and high saline-alkali area.
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Properties and Adding
| Supply Form | Liquid | Powder |
| Color | Dark Brown | Brown |
| Addition Rate (%) | 1.0--2.5 | 0.4--1.5 |
| Solid Content (%) | 40±1 | ------ |
| Water Content (%) | ------ | <6 |
| Fineness (30 meshes sieve %) | ------ | <5 |
| Density(g/m, 20°C) | 1.20 | ------ |
| PH(Value Solution 5%) | 8.0±1.0 | 8.0±1.0 |
| Cl Content (%) | <1 | <1 |
| Na2SO4Content (%) | <1 | <1 |
| Floating for Cement Net Mortar(cm) | >22 | >22 |
| Corrosion Effect to Steel | no | no |
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Dosage
In order to meet specific requirements, UNF-5aA addition rate should be determined by the materials and the conditions of the experiments and the water-reducing request . The scope of the UNF-5A liquid addition rate is from 1.0 liter to 2.5 liter per 100 kg cement materials including flyash, and the UNF-5A Powder addition rate is from 0.4kg-1.5kg/100kg cement materials including flyash.
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Packaging
UNF-5A Liquid is available in plastic drum and 1000L/ drum.
UNF-5A Powder is packaged in plastic knitted bag lined with plastic film and net weight is 25kg/bag.
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Shelf life
UNF-5A liquid admixture can be stored for 12 months, and Powder admixture will be stored for 24 months.
| Packaging Detail:25kg/bag |
| Delivery Detail:8 days after payment |
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