Country of Origin
United States
Shipping Weight
0.75 pounds
Manufacturer P/N
P/S 890 C-20
Schedule B Code
3214.10.0010
Ship Dimensions
18 x 6 x 4 inches
A 6 oz. SemKit of PPG Aerospace PRC-Desoto P/S 890 Class C is an aircraft integral fuel tank sealant with a 24 hour application life. 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). This material is designed for brush and fay sealing of fuel tanks and other aircraft fuselage sealing applications. The cured sealant maintains excellent elastomeric properties after prolonged exposure to both jet fuel and aviation gas.
P/S 890 Class C is a two-part, manganese dioxide cured polysulfide compound. The uncured material is a roller grade liquid suitable for application by brush, extrusion gun or spatula. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.
Application Properties (typical) | | Color | Part A - Black Part B - White Mixed - Gray | Mixing ratio | Part A:Part B - By weight - 10:100 | Base Viscosity | (Brookfield #6 @ 2 rpm), Poise (Pa-s) - 2000(200) | Application Life and Cure Time (C-24) @77° F (25°C), 50% RH | Application life - 24 hour Tack Free time - > 80 hours Cure time to 35 A Durometer - < 3 weeks | |
For specific details, application data, and more about PRC-Desoto PS-890C Class C Fuel Tank Sealant please download and view this PDF, click here.
PRC Standard Spec
Safety Data Sheet