Rooj zaum series
Daim ntawv thov teb:Lub rooj zaum hauv tsheb, Backrest thiab Headrest
Nta:tsawg ntom, siab elasticity, tsim nyog hardness, siab indentation piv thiab xis caij
SPECIFICATION
| Yam khoom | DHR-A | DHR-B |
| Piv txwv | 100 | 45-65 : kuv |
| Core ceev (Kg / m3) | 40-50 | 45 |
| Rov qab (%) | 50-70 | |
| Tensile zog (Kpa) | 130-220 : kuv | |
| Elongation ntawm tawg (%) | 90-130 : kuv | |
| Tear zog (N / cm) | 1.2-2.5 | |
| 75% kev them nyiaj yug | 7–12 | |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
