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Name | Unit | Index | Remarks |
Density | g/cm3 | 1.75~1.95 | |
Water-absorbing quality | mg | <3 | |
Heat distortion temperature | ºC | ≥240 | |
Impact strength of supported beam (without notch) | KJ/m2 | 70~90 | |
Bending strength | MPa | 150~180 | |
Flame retardancy | Level | HB | |
Compressive strength | MPa | >140 | |
Curing temperature | Cº | 135~145 | |
PENETRATION INDEX | mm | 3~5 | |
Glass fiber content | % | 25±2 | |
Material shrinkage rate | % | 0.05~0.10 | |
Tensile strength | MPa | 80~90 | |
Degree of surface finish | To ensure that the material is free of impurities and has a glossy, smooth, crack-free surface. |
tem | Unit | Parameters | EX400 |
Material type | polymer composites | 45,000 | |
Specification | mm | 10±1,20±1(After water absorption and expansion) Cube | 220 |
Specific surface area | m2/m3 | ≥4000 | 1.8–2.5 |
Porosity | % | 98 | 8.8 |
Allocation rate | % | 15~40 | 13.6 |
Membrane hanging time | d | 3~7 | 600 |
Nitrification efficiency | gNH3-N/m3Carrier·d (to oxygen conversion limit) | 600~1250 | |
BOD5 oxidation efficiency | gBOD5/m3Carrier·d (to oxygen conversion limit) | 1000~5000 | |
COD oxidation efficiency | gCOD/m3Carrier·d (to oxygen conversion limit) | 1000~7500 | |
Applicable pH | 6~10 | ||
Applicable temperature | ºC | 1~50 | |
Service life | Above 15 years |