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                                      封蓋時旋得越緊越好嗎?

                                      文章來源:jzxnbz 點擊次數:424次

                                        大多數玻璃瓶裝罐頭的密封,主要是由瓶內真空度決定的,而非依靠爪與螺紋的扣合,爪的作用僅為保證殺菌過程中蓋與螺紋的扣合,以及重復封蓋,殺菌冷卻后的密封主要依靠瓶內的真空來保證。通常標準瓶蓋與標準玻璃瓶(符合DIN6094)配合,封蓋時蓋爪進入瓶口螺紋線的1/3-1/2處即為較理想的配合。

                                        過度封蓋反而易造成爪變形,爪生銹,慢性漏氣,殺菌跳蓋等負面影響。因此,封蓋時應注意適當的封蓋扭力


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