PR-1425 Class B is an aircraft windshield and canopy sealant.

特性

Characteristics

工作温度范围从-54°C（-65°F）到121°C（250°F），间歇性偏移高达135°C（275°F）。

玻璃，聚碳酸酯和丙烯酸基板的填角焊缝封口应用。

本产品是专门制定不开裂基质。

固化后的密封剂显示出优良的耐紫外线和耐候性。

PR-1425 B类是由两部分组成，重铬酸固化多硫化物。

未固化的材料是一种低弧垂，触变性膏状适合配用挤压枪或抹刀。在室温下固化，形成有弹性的密封胶，对常见的飞机基板具有优异的粘附性。

Service temperature range from -54°C (-65°F) to 121°C (250°F),with intermittent excursions up to 135°C (275°F).

Designed for fillet sealing of properly prepared glass, polycarbonate, acrylic and other aircraft sealing applications.

Specifically formulated not to craze substrates.

The cured sealant exhibits excellent resistance to UV and weather exposure.

PR-1425 Class B is a two-part, dichromate cured polysulfide compound.

The uncured material is a low sag, thixotropic paste, suitable for application by extrusion gun or spatula.

This sealant has excellent adhesion to common aircraft substrates.