I.Nchekwa arịa ụlọ
1. The nkọ nkuku, burr, shiee ebe ma ọ bụ afanyekwa ebe nwere ike imerụ ndị mmadụ na-agaghị ekwe.(A na-ekwe ka isi ihe ma ọ bụ mpikota onu na-emepụta mgbe a na-emepe ma ọ bụ wụnye ya.)
2, The ọnụ nke oghere ọkpọkọ kwesịrị ka anọkwasị na okpu.
3, The akụkụ na lubricating mmanụ kwesịrị ka juru n'ọnụ iche iche iji gbochie ịbụ mmeru mmanụ unyi.
II.Ihe nwale maka arịa ụlọ
1. Performance Test
a, Nnwale ibu nwuru anwu
b, Nnwale nkwụsi ike
c, Nnwale mmetụta
d、Nnwale ike ọgwụgwụ
2. Ihe Ule.
Akpụkpọ anụ, iko agha, iru mmiri nke osisi siri ike, crockfastness nke akwa akpụkpọ anụ wdg.
Ihe nnwale maka ngwá ụlọ gụnyere akụkụ atọ:
1, Reliability ule, dị ka akọrọ okpomọkụ na-eguzogide ule, oyi abalị na-eguzogide ule, adhesion ule na mmetụta eguzogide ule maka mkpuchi na mkpuchi nke osisi akụkụ, nnu ịgba ule maka metal mkpuchi wdg .;
2, Ahụhụ arụmọrụ ule, dị ka kwụsie ike, ike na anwụ ngwa ngwa ule;
3, Environmental nchekwa ule, dị ka formaldehyde emission ule, arọ metal ọcha (lead, cadmium, mercury, chromium) na elu agba mkpuchi, obodo organic compound (VOC).
Tụkwasị na nke ahụ, e nwere njirimara dị ịrịba ama: njirimara osisi siri ike (ya bụ njirimara maka ụdị osisi dị iche iche) maka ihe ndị dị oké ọnụ ahịa osisi, dị ka ngwá ụlọ blackwood.
Ebumnuche nke ngwá ụlọ siri ike abụghị naanị maka ijide n'aka na ngwaahịa ngwaahịa na-ebute echiche nke ntụkwasị obi nye ndị na-azụ anyị.N'ime ahịa ahịa kwa ụbọchị, onye zụrụ ya, onye na-ekesa yana ikpo okwu e-azụmahịa, nnukwu ụlọ ahịa n'ụlọ ahịa, ịgba ụgwọ, ọnụahịa na ihe ngosi ndị ọzọ.
