| Customization: | Available |
|---|---|
| Appearance: | Water |
| Application: | Concrete Admixture |
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BT-302 stands as a beacon of innovation in the realm of superplasticizers. This state-of-the-art, fast-releasing, and slump-retaining mother liquor is masterfully crafted from TPEG through advanced free radical polymerization techniques. The ingenuity of BT-302 lies in its unique synthesis, which integrates a revolutionary sustained-release group. In the alkaline ambiance of concrete, this slow-releasing group unfurls its wonders by methodically liberating a dispersive function group, ensuring effective cement dispersion. This remarkable mechanism dramatically curtails concrete slump loss. While BT-302 may exhibit a modest water reduction rate, its unparalleled slump protection is unrivaled. Optimally utilized alongside water-reducing mother liquors such as JS-101B and JS-101A, BT-302 proves indispensable in high-strength concrete applications that demand top-tier slump protection. Its versatility shines through in diverse engineering triumphs, including pumping concrete, super-flow self-compacting concrete, high-strength high-performance concrete, and commercial concrete for high-speed railways, expressways, hydro-power stations, and other monumental engineering endeavors.
2. Revel in unparalleled slump performance with BT-302, affording concrete the ability to maintain its slump for a remarkable duration of 2 hours without any degradation.
3. Despite its modest water reduction rate, BT-302's combination with water-reduction-type mother liquor delivers results that speak for themselves.
4. Thanks to its low viscosity and exceptional thixotropic properties, BT-302 is ideally tailored for concrete mixes with a low water-cement ratio.
| Item | Standard |
| Appearance | light yellow liquid |
| Density(g*cm3) | 1.02-1.05 |
| PH Value | 6-8 |
| Solid Contents | 50%±1.5 |
| cement fluidity mm( | 270mm/Hr |
| Water reducing Rate | 15% |
| bleeding rate ratio | 0% |
| Pressure bleeding rate | 30% |
| Air Content | 3% |
| Slump retention mm (30min) | 200mm |
| Slump retention mm (60min) | 170mm |
| 3D Compressive strength ratio | 190MPa |
| 7D Compressive strength ratio | 170MPa |
| 28D Compressive strength ratio | 150Mpa |
2. BT-302 is extensively applied in high-speed railways, nuclear power plants, water conservancy projects, subways, large bridges, expressways, harbors, and wharves, establishing itself as an essential component for national large-scale and pivotal projects.
3. It is the ideal choice for a multitude of industrial and civil construction projects, as well as commercial concrete mixing stations, showcasing its limitless versatility.
1. Presenting as a colorless or light yellow liquid, BT-302 typically involves the usage of 0-20% mother liquor in tandem with a water-reducing mother liquor. Additionally, it can be blended with other minor materials to concoct a water-reducing agent, with the dosage generally forming 1% to 3% of the total cementing material weight.
2. Prior to embarking on the use of BT-302 or altering the type and batch of cement and gravel, adaptability testing with the specific cement and gravel is imperative. The test outcomes will guide the formulation of an optimal proportion for the water-reducing agent.
3. While BT-302 can stand alone, it is often more beneficial when paired. It combines seamlessly with water-reducing and set-retarding mother liquors to mitigate concrete slump loss. Alternatively, it can be allied with functional aids to craft admixtures offering retarder, early strength, antifreeze, or pumping capabilities. Testing and compounding expertise should determine application methods and conditions.
4. BT-302 integrates harmoniously with other admixtures such as early strength agents, air-entraining agents, and retarders. Ensure compatibility through pre-use testing. Avoid combining with naphthalene series water reducers.
5. Concrete cement and mix ratios should be determined through rigorous testing. During usage, pour the mixed and measured water into the concrete mixer simultaneously, following mixing tests to assure concrete quality.
6. When incorporating active admixtures like fly ash and slag, calculate the water-reducing agent amount as a percentage of the total cementing material weight.
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