雙五點熱封梯度儀是用于同時測定軟包裝材料在五組不同溫度下熱封性能的專業設備,通過單次試驗快速確定最佳熱封參數(溫度、壓力、時間),為包裝工藝開發提供數據支持。
定義
雙五點熱封梯度儀是一種專業的測試設備,主要用于測定軟包裝材料在特定熱封時間、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時間內確定材料的最佳熱封參數,包括熱封時間、壓力和溫度等。其工作原理是通過使塑料薄膜封口部位達到粘流狀態,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度和密封性能,從而確保商品在包裝、運輸、貯存和消費過程中能夠承受一定的外力而不發生開裂或泄漏。
測試原理
在測試過程中,將待測樣品放置于雙五點熱封梯度儀的上下熱封頭之間,根據試驗要求設定并完成對樣品在特定壓力、時間及溫度環境下的熱封操作。
符合標準
行業標準
QB/T 2358-2022《塑料薄膜熱封強度試驗方法》
YBB 00122003《藥品包裝用復合膜熱封強度測定法》
國際標準
ASTM F2029-23《醫療包裝熱封工藝驗證標準》
應用領域
醫藥包裝
無菌醫療器械包裝熱封工藝開發
藥品鋁塑泡罩熱合參數優化
輸液袋接口密封性驗證
食品包裝
高溫蒸煮袋熱封強度測試
自立袋口蓋熱合性能評估
包裝材料耐熱臨界值測定
設備特點
精準控溫:采用P.I.D.技術,實現了熱封溫度的精準控制。
高效測試:單次試驗可高效獲得五組不同熱封參數,顯著節省操作時間。
均勻加熱:鋁灌封熱封頭設計,使加熱更為均勻,杜絕漏封及試樣受熱不均現象。
安全便捷:提供手動和腳踏兩種試驗啟動模式,并配備防燙傷安全設計。
獨立控溫:上下熱封頭可獨立控溫,滿足不同測試需求。
定制服務:非標尺寸熱封頭可以根據客戶需求進行定制。
產品規格(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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