Xi măng bao SILING xuất khẩu ( PORTLAND TYPE I - ASTM C150)
Thông số kỹ thuật:
| Items | Units | ASTM C150 Specification | Contractual Specification | Test Method |
| SiO2 | % | - | - | ASTM C114 |
| Al2O3 | % | - | - | |
| Fe2O3 | % | - | - | |
| CaO | % | - | - | |
| MgO | % | ≤6 | - | |
| SO3 | % | ≤3.5 | ≤3 | |
| Total Alkali | % | ≤0.6 | ≤2.5 | |
| Loss on Ignition | % | ≤3 | ≤0.6 | |
| Insoluble Residue | % | ≤0.75 | ≤0.75 | |
| Chloride content | % | - | - | |
| Physical and Mechanics Properties | ||||
|
Fineness - Air permeability test with Blaine app,m2/kg |
m2/kg Minutes |
≥280 | ≥320 | ASTM C204 |
|
Time of setting (Vicat test) - Initial set - Final set |
≥45 <375 |
≥90 <250 |
ASTM C191 | |
|
Durability (Autoclave expansion) |
% | <0.8 | <0.8 | ASTM C151 |
|
Comperssive strength 3Days* 7Days* 28Days* |
MPa |
≥12 ≥19 ≥28 |
≥20 ≥28 ≥42 |
ASTM C109 |
Số lượt xem bài viết: 30805
Đăng ngày: 17/10/2014 12:00:00 SA
