Ngwa】
A na-eji usoro a eme ihe n'ọtụtụ ebe n'ichepụta tube na ụlọ ntapu maka nkenke ziri ezi
ngwa mmịnye ọbara.”
【Ihe onwunwe】
PVC enweghị
Plasticizer enweghị
Ike nkwụsịtụ ka mma na elongation na nkwụsịtụ
Nlebanya ndakọrịta ndu dabere na ISO10993, yana ihe nwere mkpụrụ ndụ ihe nketa adiyaman,
gụnyere toxicity na toxicological ule