EN 826—隔熱製品壓縮特性的測定
此歐洲標準規範了測定試樣壓縮特性的設備及程序，適用於營建用的隔熱產品，可以用來測定壓縮潛變試驗以及隔熱製品暴露於短期負荷之應用中的壓縮應力。
試樣放置於測試機兩平行板中心，移動板以每分鐘等速 d/10 位移（誤差為 ± 25％，d 為試樣之初始厚度，以 mm表示），持續壓縮直到試樣降伏，提供抗壓強度數據；或直至相對變形已達到 10 ％ 提供 10 ％ 相對變形下之壓縮應力。
我們建議使用依試樣而定和可選的測試固定裝置，搭配雙柱桌上型拉伸測試系統。
測試夾具：一組壓縮砧，滿足至 300mm x 300mm 的標準試樣，上方砧含有一球形座以確保只有軸向力施加在試樣上。
試樣
- 50mm x 50mm
- 100mm x 100mm
- 150mm x 150mm
- 200mm x 200mm
- 300mm x 300mm
對於此測試類型，當試樣裝載至機器時，我們使用 Bluehill 試樣保護功能以防止在測試程序前發生試樣超載。然後驅動至預載消除試樣鬆弛，並執行測試至破壞。對於此測試來說，為了能夠確保最大抗壓強度的擷取及記錄，電腦具備高速智慧型 100 Hz 取樣率是非常重要的。
我們建議使用 Bluehill 測試套裝軟體來輸入試樣尺寸參數、設置測試所需的速度控制、自動計算並統計測試結果，最後生成測試報告或發送至網路資料庫。
在進行任何測試之前，我們建議檢閱 EN826 充分了解測試夾具及結果要求。
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