PR-1828 B类 是快速固化飞机整体燃料密封胶。使用温度范围从-80°F(-62°C)到320°F(160℃),间歇性偏移到420°F(216°C)
PR-1828 Class B is a rapid curing aircraft integral fuel tank sealant. It has a service temperature range from -80°F (-62°C) to 320°F (160°C), with intermittent excursions up to 420°F (216°C).