下载次数：274次 浏览次数：287次发布时间：2015-10-28 10:35PR-1776M B类低密度，耐高温飞机整体燃料密封胶。工作温度范围从-65°F（-54℃）至250°F（121℃），间歇性偏移至360°F（182℃）。
PR-1776M Class B is a low density, high temperature aircraft integral fuel tank sealant. It has a service temperature range from -65°F (-54°C) to 250°F (121°C), with very limited excursions up to 360°F (182°C).
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