雙五點(diǎn)熱封梯度儀是用于同時(shí)測(cè)定軟包裝材料在五組不同溫度下熱封性能的專業(yè)設(shè)備,通過(guò)單次試驗(yàn)快速確定最佳熱封參數(shù)(溫度、壓力、時(shí)間),為包裝工藝開(kāi)發(fā)提供數(shù)據(jù)支持。
定義
雙五點(diǎn)熱封梯度儀是一種專業(yè)的測(cè)試設(shè)備,主要用于測(cè)定軟包裝材料在特定熱封時(shí)間、熱封壓力以及五組不同熱封溫度條件下的熱封性能。該儀器能夠高效地在最短試驗(yàn)時(shí)間內(nèi)確定材料的最佳熱封參數(shù),包括熱封時(shí)間、壓力和溫度等。其工作原理是通過(guò)使塑料薄膜封口部位達(dá)到粘流狀態(tài),并借助一定壓力使兩層薄膜熔合為一體,冷卻后保持一定的強(qiáng)度和密封性能,從而確保商品在包裝、運(yùn)輸、貯存和消費(fèi)過(guò)程中能夠承受一定的外力而不發(fā)生開(kāi)裂或泄漏。
測(cè)試原理
在測(cè)試過(guò)程中,將待測(cè)樣品放置于雙五點(diǎn)熱封梯度儀的上下熱封頭之間,根據(jù)試驗(yàn)要求設(shè)定并完成對(duì)樣品在特定壓力、時(shí)間及溫度環(huán)境下的熱封操作。
符合標(biāo)準(zhǔn)
行業(yè)標(biāo)準(zhǔn)
QB/T 2358-2022《塑料薄膜熱封強(qiáng)度試驗(yàn)方法》
YBB 00122003《藥品包裝用復(fù)合膜熱封強(qiáng)度測(cè)定法》
國(guó)際標(biāo)準(zhǔn)
ASTM F2029-23《醫(yī)療包裝熱封工藝驗(yàn)證標(biāo)準(zhǔn)》
應(yīng)用領(lǐng)域
醫(yī)藥包裝
無(wú)菌醫(yī)療器械包裝熱封工藝開(kāi)發(fā)
藥品鋁塑泡罩熱合參數(shù)優(yōu)化
輸液袋接口密封性驗(yàn)證
食品包裝
高溫蒸煮袋熱封強(qiáng)度測(cè)試
自立袋口蓋熱合性能評(píng)估
包裝材料耐熱臨界值測(cè)定
設(shè)備特點(diǎn)
精準(zhǔn)控溫:采用P.I.D.技術(shù),實(shí)現(xiàn)了熱封溫度的精準(zhǔn)控制。
高效測(cè)試:?jiǎn)未卧囼?yàn)可高效獲得五組不同熱封參數(shù),顯著節(jié)省操作時(shí)間。
均勻加熱:鋁灌封熱封頭設(shè)計(jì),使加熱更為均勻,杜絕漏封及試樣受熱不均現(xiàn)象。
安全便捷:提供手動(dòng)和腳踏兩種試驗(yàn)啟動(dòng)模式,并配備防燙傷安全設(shè)計(jì)。
獨(dú)立控溫:上下熱封頭可獨(dú)立控溫,滿足不同測(cè)試需求。
定制服務(wù):非標(biāo)尺寸熱封頭可以根據(jù)客戶需求進(jìn)行定制。
產(chǎn)品規(guī)格(可定制)
熱封溫度:五組,室溫 ~ 250°C
控溫精度:±0.2°C
溫度梯度:<20°C
熱封時(shí)間:0.1s ~ 990H
熱封壓力:0.15 MPa ~ 0.7 MPa
熱封頭尺寸:40 mm x 10 mm
氣源壓力:0.5 MPa ~ 0.7 MPa
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取樣品5片,在溫度為145- 165攝氏度
設(shè)置好實(shí)驗(yàn)壓力,壓力為1×10?pa
接觸時(shí)間為1-2s的條件下測(cè)定,
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