PR-1428 Class A is a low adhesion sealant. 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. PR-1428 Class A is a two-part, manganese dioxide cured, polysulfide compound. The uncured material is suitable for application by brush in thickness up to 25 mils. It cures at room temperature to form a removable seal to common aircraft substrates. The following tests are in accordance with MIL-S- 8784 Class A and other OEM specification test meth- ods.

SEALANT

Product Details

Manufacturer	PPG
Part Number	PR 1428 A2
Pack Size	SEMKIT
Specification	PRC STANDARD REV NOT CONTROLLED
Hazmat	UN 1133

Availability

Under Lead Time (3–4 weeks)