Ọkọlọtọ nnukwu ala maka bọọlụ basketball na bọọlụ basketball

1

GB/T 22868-2008"Basketball" kwuru na a na-ekewa basketball n'ime ndị okenye basketball (No. 7), basketball okenye ụmụ nwanyị (Nkeji 6), basketball ntorobịa (No. 5), na basketball ụmụaka (No. 3) dị ka ndị ọrụ ọnụ ọgụgụ na gburugburu nke bọl. Akpụkpọ anụ basketball na akpụkpọ anụ ejigharịgharị nwere ike imebi akwa amine aromatic ≤ 30mg/kg, yana formaldehyde efu ≤ 75mg/kg. Elu akpụkpọ anụ arụrụ arụ, akpụkpọ anụ sịntetik na akpụkpọ anụ eji eme ihe kwa ụbọchị nke basketball ekwesịghị inwe ntụpọ dị ka afụ ma ọ bụ delamination, a na-ahapụkwa obere mkpụbelata. Enwere obere ntụpọ 5 nwere mpaghara ≤ 5mm2 kwere; Omimi nke creases na roba okirikiri nwere ike ịbụ ≤ 0.5mm, na mkpokọta ntụpọ ntụpọ na-ekwe ka ≤ 7cm2; Obosara nke mkpuchi mkpuchi ma ọ bụ oghere bụ ≤ 7.5mm. Ihe dị iche n'okirikiri bọọlụ basketball ≤ 5mm, ngbanwe nke ikuku ikuku na-adaba mgbe awa 24 nke onu oriri na ntinye static ≤ 15%; Mgbe mmetụta 1000 gasịrị, ọnụego mgbasawanye bụ ≤ 1.03, uru nrụrụ bụ ≤ 3mm, na ọnụego nke nrụgide n'ime bọọlụ bụ ≤ 12%.

2

GB 23796-2008"Basketball Stand" na-ekwu na bọọdụ azụ kwesịrị ịdị akụkụ anọ, na akụkụ ya n'akụkụ kwesịrị ịdị n'otu n'otu. Ọdịiche dị n'etiti diagonal abụọ ekwesịghị gafere 6mm. Ọ bụrụ na a na-echebe azụ azụ site na oke ígwè, eriri dị n'èzí nke azụ azụ kwesịrị ịbụ ma ọ dịkarịa ala 20mm n'obosara ma ghara igbochi ya site na ókèala ígwè. Ekwesịrị iji ahịrị oke dị n'ime na nke dị n'ime bipụta azụ azụ, yana bọọdụ a na-ahụ anya nke nwere oke ime na mpụta na bọọdụ na-abụghị transperent nwere oke ojii. A na-eji ígwè siri ike mee rim ahụ, yana dayameta rim warara nke 16mm ruo 20mm yana dayameta dị n'ime nke 450mm ruo 459mm. Ejiri eriri na-acha ọcha mee ụgbụ basketball nke nwere oghere 12 loop, ogologo ụgbụ ahụ bụ 400mm ruo 450mm.


Oge nzipu: Ọgọst-09-2024

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