Parameter item Items
|
Index
|
time |
Table dry H
|
Surface drying (H)
|
≤4day
|
Real H
|
Actual dry (H)
|
≥48day
|
Patent application (MPA)
|
compressive strength
|
≥85day
|
tensile strength(MPA)
|
tensile strength
|
≥9day
|
Shore hardness (HD)
|
Shaw hardness
|
≥80day
|
bending strength
|
bending strength
|
≥7day
|
Leveling
|
standard
|
≥5min
|
Wear resistance
|
Wear resistance (700 g / 500 R, weightlessness, g)
|
≤0.02day
|
Resistance to H2SO4,20%
|
Sulphuric acid 20% resistance
|
30 days allowed slight discoloration.
|
Resistance to NaOH, 25%
|
Sodium hydroxide, 25% resistance
|
No abnormalities for 30 days.
|
Resistance to NaCl, 10%
|
Physiological saline, 10% resistance
|
30 days is no difference
|