Usoro oche
Oghere ngwa:Oche ụgbọ ala, Backrest na headrest
Atụmatụ:obere njupụta, elu elasticity, ekweisi kwesịrị ekwesị, elu indentation ruru na ntụsara ahụ ịnya ịnyịnya
Nkọwapụta
| Ihe | DHR-A | DHR-B |
| Oke | 100 | 45-65 |
| Isi njupụta (Kg/m3) | 40-50 | 45 |
| Nlaghachi (%) | 50-70 | |
| Ike tensile (Kpa) | 130-220 | |
| Ogologo oge na nkwụsị (%) | 90-130 | |
| Ike akwa mmiri (N/cm) | 1.2-2.5 | |
| 75% mkpakọ set | 7-12 | |
Dee ozi gị ebe a ziga anyị ya
