85% Undensified Microsilica (دخان السيليكا) 85ش
85% Undensified Silica Fume is a high-quality, unprocessed microsilica containing more than 85.0% silica content. With a bulk density ranging from 250-350 kg/m3 and a specific surface area of 15-30 م2/ز, it is an exceptional supplementary cementitious material with numerous advantages.
HSA Microsilica 85U offers several advantages in construction applications, including enhanced strength, improved durability, better workability, reduced thermal conductivity, environmentally friendly characteristics, and cost-effectiveness. It is widely utilized in insulation materials, large-scale concrete projects, mortar, pipe piles, and various other applications across the construction industry.
طلب اقتباس مخصص
حدود
| ملكية | قيمة |
|---|---|
| SiO2 (ثاني أكسيد السيليكون, Amorphous) | 85% min |
| SO3 | 1.0% max |
| Cl | 0.3% max, typical 0.033% |
| Free CaO | 1.0% max, typical 0.92% |
| pH | > 6 |
| Moisture | 3% max |
| LOI (Loss on Ignition) | 6% max, typical 3.23% |
| Specific surface (BET) | 18 m2/gram min |
| الكثافة الظاهرية | 250-350 كجم/م3 |
| PAI (Pozzolanic Activity Index) – 7 days accelerated curing | 105% min |
| Retained on 45 micron sieve | 10% max, typical 1.08% |
| Fluidity | > 18 cm |
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أسس في 2001, HSA هي الشركة الرائدة في مجال توفير أبخرة السيليكا والمواد الكاشطة في الصين, وأيضًا المصدر المتميز للمنتجات عالية الأداء للصناعات الخرسانية والمواد الكاشطة.








