Shandong Chuangxin Building Materials Complete Equipments Co., Ltd
Shandong Chuangxin Building Materials Complete Equipments Co., Ltd
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Sandwich Panel Production Line for Cement / Reinforced Fiber Raw material
Full Automatic Fiber Cement Board Production Line With Larger Capacity
| No. | Test items | Standard indicators | Test results | Single judge | |
| 1 | Bending degrees | horizontal | >=22Mpa | 24.9Mpa | Qualified |
| vertical | >=17 Mpa | 21.4Mpa | |||
| 2 | Impact strength | >=2.0 KJ/m2 | 3.7KJ/m2 | Qualified | |
| 3 | Indensity | >=1.6g/cm3 | 1.72g/cm3 | Qualified | |
| 4 | Water absorption | <=24% | 16.8% | Qualified | |
| 5 | Waterproofness | According to the National standard GB8041 tested -24H checking allow damp mark on the back of the board , but no water drop | Meet the National standard GB8041 | Qualified | |
| 6 | Freezing resistance | According to the National standard GB8041 tested- after 25 times Cycliccrackingno break and layer appear | Meet the National standard GB804 1 | Qualified | |
| 7 | Sound resistance | Meet 4sdb (GBJ75-B4) | |||
| 8 | Radioactivity | Meet standard GB6566-2001A) | |||
| 9 | Noninflammability | In accordance with the GB5464-85 and GB8624-88 , A class building materials | |||
| Compressive Strength | ~20 MPa (3, 000 PSI) |
| Impact Resistance | > 6 kJ/m2 |
| Tensile Strength | > 5.5 MPa |
| Density (Specific Mass) | ~1000 Kg/m3 (+/-< 2%) |
| Moisture Absorption | ~26% maximum saturation (slow absorption rate) |
| Moisture Content | ~6% |
| Water Vapour Diffusion | ~28 / 35 |
| Specific Heat | ~930 J/kgK |
| Thermal Conductivity | ~0.44 W / mK |
| Modulus of elasticity | ~6045 N/mm2 |
| Flexibility UNI E 12372 | ~20.1 N/mm2 maximum 12mm x 1220 x 2440 = 10 N/mm2 |
| Surface Alkalinity | ~10 Ph |
| Thermal Expansion Hot/Cold | 0, 01 mm/mC (from temp +20C to -20C) |
| Expansion in Water | less than < 0.02% from ambient to saturation |
| Freeze / Thaw - UNI EN 520 | 100 cycles without notable effects |
| Frost Resistance | no water drops form on surface |
| Combustibility / Fire Ratings | non-combustible / 12mm exceeds 1 hr fire rating |
| Dimensional tolerance | thick 0.2mm / width 2mm / length 3mm / Sq. 3mm |
| Toxicity Pollutants Heavy Metals - UNI EN 12457-2 | Below measurable levels of test instruments |
| Asbestos Analysis | Absent - not measurable |
| Formaldehyde Analysis | Absent - not measurable |
| Sound Attenuation (9mm) | tested design ASTM E90 = STC 48, 50, 55, & 60 |
| Color | Slate Grey and Chalk White |
| Surface texture | smooth one side; uniform machine textured back |
| Basic Compounds | (MgO)+(natural silicates)+(glass fibre)+(wood fibre) |
