JW White (Ultra-High-Strength) Rapid-Setting Sulfoaluminate Cementitious Binder
Classification:
Detailed introduction
Implementation Standard: JC/T 2601-2021
Product Overview:
JW White (Ultra-High-Strength) Rapid-Setting Sulfoaluminate Cementitious Binder is a high-tech product with the performance characteristics of a sulfoaluminate cementitious binder, independently developed by our company’s technical team under the strong support of relevant leaders at the National Research Institute of Building Materials and industry colleagues, and guided by renowned domestic experts including Professor Su Muzhen, former Vice President of the institute; Professor Cui Qi, Director of the Institute of New Cement Materials; Dr. Li Qinghai; and Senior Engineer Zhang Qiuying. This product was created by comprehensively summarizing and incorporating the performance indicators of rapid-setting sulfoaluminate cementitious binders, pure aluminates cementitious binders, and white silicate cementitious binders.
Technical Indicators:
◆ Meets the relevant performance indicators specified in JC/T 2601-2021 “White Sulfoaluminate Cement” and exceeds the standard requirements.
◆ Hunter White Degree: Not less than 75.
◆ Specific surface area: not less than 450 m²/g 2 /kg.
◆ Setting time: initial setting shall be no less than 15 minutes, and final setting shall be no more than 180 minutes; adjustments can be made according to customer requirements.
JW White (High-Strength) Rapid-Setting Sulfoaluminate Cementitious Binder: Each strength grade shall not be lower than the values specified in the table.
| Model | Whiteness | Strength grade | Flexural strength (MPa) | Compressive strength (MPa) | ||||
| 1d | 7d | 28d | 1d | 7d | 28d | |||
| 90 | ≥ 90 | I | 4.0 | 5.5 | 7.0 | 30.0 | 42.5 | 46.0 |
| l | 7.0 | 8.0 | 8.5 | 55.0 | 72.5 | 76.0 | ||
| 80 | ≥80 | I | 4.0 | 5.5 | 7.0 | 30.0 | 42.5 | 46.0 |
| ll | 7.0 | 8.0 | 8.5 | 55.0 | 72.5 | 76.0 | ||
| 75 | ≥75 | I | 4.0 | 5.5 | 7.0 | 30.0 | 42.5 | 46.0 |
| ll | 7.0 | 8.0 | 8.5 | 55.0 | 72.5 | 76.0 | ||
Main uses:
JW White (Ultra-High-Strength) Rapid-Setting Sulfoaluminate Cementitious Binder is primarily used in the GRC industry for high-end architectural ornaments, colored cultured stone, carved crafts, urban landscaping products, exterior wall cladding, and the production of cementitious products in a wide range of colors.
Performance Features:
◆ JW White (Ultra-High-Strength) Rapid-Setting Sulfoaluminate Cementitious Binder, characterized by exceptionally high whiteness—with a whiteness index exceeding 90 and a bright, lustrous appearance—significantly outperforming even the highest-quality domestic white Portland cementitious binders.
◆ High early strength: It not only inherits all the performance characteristics of rapid-hardening sulphoaluminate cementitious binders, but also exhibits significantly enhanced hourly strength while maintaining sustained strength gain over time; moreover, the setting time can be flexibly adjusted to meet specific customer requirements.
◆ Exhibits micro-expansion, low alkalinity, non-radioactivity, and high stability.
Precautions:
◆ During use, the containers and mixers must be thoroughly cleaned. White quartz sand is recommended; all admixtures, including sand and water, must be pure and free of impurities, and must not be mixed with any other type of cementitious material to avoid compromising whiteness and strength.
◆ This product is a low-water-content cementing agent; it should be mixed for 3–4 minutes and applied promptly. The cemented mortar must not be re-mixed.
Packaging and Storage:
◆ This product is packaged in 25 kg or 50 kg moisture-proof, sealed plastic woven bags with inner liners.
◆ Store in a cool, dry place, and strictly protect against moisture and damage.
◆ Store in a sealed container in a dry environment; shelf life is no less than 45 days. Use the entire contents after opening; if the product expires or becomes damp, its performance will be compromised and it must be retested and found compliant before use.
◆ During storage, it must not be mixed with other cementitious materials.
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