Complaint
What is SPU?
In January, 2005,we spent three years developed and created a new product of cushion sports flooring,and gave it a perpetual and dynamic name 'SPU'. The same year in November, the State Trademark Office officially accepted the "Silicon PU "trademark applications.Excellent Performance
| Item | Test project | Technical requirements | Test results |
| 1 | Shock absorption rate (%) | Fr≥12 | 21 |
| 2 | The springback value(%) | ≥20 | 30 |
| 3 | Sliding friction coefficient | 0.4≤u≤0.7 | 0.53 |
| 4 | Compression recovery rate(%) | ≥95 | 97 |
| 5 | Hardness(Shore A),20ºC | 60-80 | 68 |
| Item | Test project | Technical requirements | Test results | |
| 1 | Volatile organic compounds(VOC)(g/L) | ≤670 | 91 | |
| 2 | benzene(%) | ≤0.3 | Did not check out | |
| 3 | Toluene +xylene+ ethyl benzene(%) | ≤30 | 5 | |
| 4 | The free diisocyanate(TDI+HDI)(%) | ≤0.4 | Did not check out | |
| 5 | Halogenated hydrocarbon(%) | ≤0.1 | Did not check out | |
| 6 | Soluble heavy metals(mg/kg) | plumbum Pb | ≤90 | Did not check out |
| Cadmium Cd | ≤75 | Did not check out | ||
| chromium Cr | ≤60 | Did not check out | ||
| mercury Hg | ≤60 | Did not check out | ||
| Item | Test project | Technical requirements | Test results | |
| 1 | Tensile elongation,% | ≥400 | 1112 | |
| 2 | The tensile strength,Mpa | ≥1.8 | 3.5 | |
| 3 | Artificial climate ageing resistance(300h) No bubbles, no peeling, no crack; | pulverization≤grade 1,△E≤6.0 | No bubbles, no peeling, no crack; pulverization=grade 0,△E=0.57 | |
| 4 | Wear resistance(750g/500r),g | ≤0.050 | 0.031 | |
| 5 | Durability, aging experiment(168h) | Tensile elongation,% | ≥300 | 853 |
| The tensile strength,Mpa | ≥1.3 | 1.6 | ||
| 6 | Resistance to water(168h) | No bubbles, no peeling, allowing a slight color change,recovery after 2h | No bubbles, no peeling, no discoloration | |
| 7 | Flame retardant level | I | I | |
