Wane irin gilashi ya cancanci siyan

1. Farar fata: ba a buƙatar launi mai haske da haske don gilashin haske.

2. Kumfan iska: An ba da izinin wasu nau'ikan kumfa mai tsayi da tsayi, yayin da ba a yarda da kumfa da za a iya huda da allurar karfe ba.

3. M dunƙule: yana nufin jikin gilashi tare da narkewa mara daidaituwa.Don kofuna na gilashin da ke da ƙasa da 142L, ba fiye da ɗaya ba tare da tsawon ba fiye da 1.0mm;don kofin gilashi tare da damar 142 ~ 284mL, ba fiye da 1.5mm a tsayi ba.Na ɗaya, ƙullun ƙullun 1/3 na jikin kofin ba a yarda su wanzu ba.

4. Barbashi daban-daban: yana nufin sundries granular opaque, tsawon bai wuce 0.5mm ba, kuma babu fiye da ɗaya.

5. Kofin bakin zagaye: yana nufin bakin kofi baya zagaye, bambancin diamita bai wuce 0.7 ~ 1.0mm ba.

6. Sripes: Duban gani a nesa na 300mm a fili ba a yarda ba.

7. Ƙananan karkatar da tsayin kofin (ƙananan bambancin tsayin kofin): Bambancin tsayin jikin kofin bai wuce 1.0 ~ 1.5mm ba.