GB/T 22868-2008"Basketball" imanena kuti mpira wa basketball ugawidwa m'magulu a basketball a amuna akuluakulu (No. 7), basketball yachikulire ya amayi (No. 6), basketball ya achinyamata (No. 5), ndi basketball ya ana (No. 3) malinga ndi chiwerengero cha anthu omwe amagwiritsa ntchito komanso kuzungulira kwa mpira. Chikopa cha basketball ndi zikopa zobwezerezedwanso zimatha kuwola utoto wonunkhira wa amine woyipa ≤ 30mg/kg, ndi formaldehyde yaulere ≤ 75mg/kg. Pamwamba pa zikopa zopanga, zikopa zopangira, ndi zikopa zobwezerezedwanso zomwe zimagwiritsidwa ntchito pamasewera a basketball tsiku lililonse siziyenera kukhala ndi chilema monga thovu kapena delamination, ndipo zowotcha pang'ono zimaloledwa. Pali zolakwika zazing'ono za 5 ndi malo a ≤ 5mm2 ololedwa; Kuzama kwa ma creases pamtunda wa rabara wozungulira akhoza kukhala ≤ 0.5mm, ndipo zowonongeka zowonongeka zimaloledwa kukhala ≤ 7cm2; Kutalika kwa msoko wozungulira kapena poyambira ndi ≤ 7.5mm. Kusiyana kwa mpira wa basketball ≤ 5mm, kupatuka kovomerezeka kwa kutsika kwa mpweya pambuyo pa maola 24 akukwera kwa inflation ndi malo osasunthika ≤ 15%; Pambuyo pa zotsatira za 1000, mlingo wowonjezereka ndi ≤ 1.03, mtengo wa deformation ndi ≤ 3mm, ndipo kuthamanga kwapakati pa mpira ndi ≤ 12%.
GB 23796-2008"Basketball Stand" imanena kuti bolodi lakumbuyo liyenera kukhala la makona anayi, ndipo m'mphepete mwake muyenera kukhala perpendicular kwa wina ndi mzake. Kusiyana pakati pa ma diagonal awiriwa sikuyenera kupitirira 6mm. Ngati bolodi lakumbuyo likutetezedwa ndi malire achitsulo, mzere wakunja wapambuyo uyenera kukhala osachepera 20mm m'lifupi komanso osatsekeredwa ndi malire achitsulo. Bolodi lakumbuyo lisindikizidwe ndi mizera yamkati ndi kunja, ndi zikwangwani zowonekera zokhala ndi malire oyera mkati ndi akunja komanso zokhala ndi malire akuda. M'mphepete mwake ndi opangidwa ndi chitsulo cholimba, chokhala ndi m'mphepete mwake ndi 16mm mpaka 20mm ndi mkati mwake 450mm mpaka 459mm. Ukonde wa basketball umapangidwa ndi chingwe choyera chokhala ndi mabowo 12, ndipo kutalika kwa ukondewo ndi 400mm mpaka 450mm.
Nthawi yotumiza: Aug-09-2024