定義
薄膜熱縮性能測試儀是用于精確測定熱收縮材料在受熱條件下收縮力、收縮率等關(guān)鍵參數(shù)的專用檢測設(shè)備,通過模擬實際熱縮工藝條件,評估材料的尺寸穩(wěn)定性和熱力學(xué)性能。
測試原理
薄膜熱縮性能測試儀在測試時,將樣品分別精準(zhǔn)固定到儀器內(nèi)置的力值傳感器和位移傳感器上。隨后,測試倉會迅速升溫至預(yù)設(shè)的溫度,之后進行冷卻處理。在整個測試過程中,儀器會持續(xù)、全面地記錄試驗溫度、收縮力、收縮率等關(guān)鍵數(shù)據(jù),從而為后續(xù)的性能分析和評估提供準(zhǔn)確依據(jù)。
測試流程
試樣安裝 → 程序升溫 → 自動測試 → 數(shù)據(jù)采集 → 結(jié)果分析
符合標(biāo)準(zhǔn)
● GB/T 13519-2016《聚乙烯熱收縮薄膜》
● ASTM D2732-14《塑料薄膜自由收縮測試》
● ISO 14616:2020《塑料熱收縮膜收縮性能測定》
系統(tǒng)組成
核心模塊
氣動試樣夾持裝置
三區(qū)獨立控溫系統(tǒng)
控制系統(tǒng)
PLC+7英寸觸摸屏
實時顯示溫度-力值-位移曲線
應(yīng)用領(lǐng)域
醫(yī)藥包裝
● 藥品熱縮帽熱封性能驗證
● 泡罩包裝熱穩(wěn)定性測試
● 輸液袋外包裝熱縮評估
質(zhì)量控制
● 熱縮膜材料配方優(yōu)化
● 生產(chǎn)工藝參數(shù)驗證
● 批次產(chǎn)品一致性檢測
測試模式
自由收縮率測試
測定無約束條件下的收縮率
限制收縮力測試
測量約束狀態(tài)下的最大收縮力
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