PR-1428 Class A is a low adhesion sealant.
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工作溫度范圍從-65°F(-54℃)至250°F(121℃),間歇性偏移高達275°F(135℃下)。材料是專為檢修門密封膠或制造點膠墊圈(工廠檢驗計劃)
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PR-1428 A類是由兩部分組成,二氧化錳固化,聚硫化合物。未固化的材料是適合應用刷的厚度可達25密耳。它常用飛機基材有著良好的附著力,在室溫下固化形成有彈性的密封膠。
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It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with intermittent excursions up to 275°F (135°C). The material is designed for use as an access door sealant or in the fabrication of form-in-place (FIP) gaskets.