DeSoto® PS890B1-2 Fuel Tank Sealant, 6 oz, Liquid (Part A), Solid (Part B), Black/White (Part A/B)

DeSoto® PS890B1-2 Fuel Tank Sealant, 6 oz, Liquid (Part A), Solid (Part B), Black/White (Part A/B)

superseded

PRC DeSoto

Part # PS890B1-2=5O

Forecastable
Forecastable
This aircraft fuel tank sealant is a two-part polysulfide compound designed for sealing fuel tanks and fuselage applications. It cures at room temperature, providing strong adhesion to various aircraft materials and maintaining elastomeric properties when exposed to jet fuel and aviation gas. Available in a 6 oz package.This aircraft fuel tank sealant is a two-part polysulfide
Buy now from
Boeing Distribution (formerly Aviall)
This product has been replaced by new
Part # PS890B1-2=5N
View Replacement
WARNING: This product can expose you to chemicals including CARBON BLACK (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE [= 10 MICROMETERS]), TITANIUM DIOXIDE (AIRBORNE, UNBOUND PARTICLES OF RESPIRABLE SIZE) and TOLUENE which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Overview

P/S Class B is an aircraft integral fuel tank sealant. This material is designed for fillet 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 B is a two-part, manganese dioxide cured polysulfide compound. It cures at room temperature to form a resilient sealant having excellent adhesion to common aircraft substrates.

Features & Benefits

  • Resilient seal maintains elastomeric properties after fuel exposure
  • Thixotropic paste ideal for vertical or overhead applications without sagging
  • Strong adhesion to multiple substrates including aluminum and titanium
  • Room temperature cure forms durable seal efficiently
  • Meets stringent OEM specifications from Boeing, Cessna, and Lockheed
  • Provides robust corrosion resistance and long-term performance

Specifications

  • Series: P/S 890
  • Container Size: 6 oz
  • Form: Liquid (Part A), Solid (Part B)
  • Color: Black/White (Part A/B)
  • Odor/Scent: Paste
  • Composition: 25 to <50% Manganese(IV)dioxide, 25 to <50% Hydrogenated Terphenyl, 5 to <7% Zeolites, 2 to <3% Talc, 2 to <3% Carbon Black Animal or Vegetable Origin, 1 to <2% Terphenyl, 1 to <2% 1, 3-Diphenylguanidine, 1 to <2% Bis(Piperidinothiocarbonyl) Hexasulfide, 0.1 to <0.2% Silica Silicon Dioxide Containing Crystalline and Amorphous (Part A), >=5 to <=10% Barium Sulfate, >=1 to <=5% Calcium Carbonate, >=1 to <=5% Zinc Sulfide (Part B)
  • Application Time: 1/2 hr
  • Curing Time: 30 hr
  • Specific Gravity: 1.55
  • Tack-Free Time: <4 hr
  • Application Method: Extrusion Gun and Spatula
  • Shelf Life: 274 Days
  • Storage Temperature: 80 deg F
  • Relative density: 1.76 lb/gal (Part A), 1.5 lb/gal (Part B)
  • Boiling point: 680 deg F
  • Temperature Rating: -65 to 250 deg F
  • Suitable for Use With: Aircraft Fuselage Sealing
  • Domestic/Import: Domestic

Technical Information
  • AMS-S-8802 Type 2 Class B-2 Approved
  • Boeing BMS 5-44 Class B-2 Approved
  • Cessna CMNP021 Type I, Class B-2 Approved
  • De Havilland DHMS S307 Class B-2 Approved
  • Lockheed FMS-1049 FORM II and III, Class B-1 Approved
  • Hughes HMS 16-1149 Type III Approved

Application
  • Industrial use Only

Technical Information

FAA Approval Code

N/R

Country of Origin

United States

Harmonized Tariff Schedule Code

3214100020

Lead Time (Days)

40

Shelf Life

Yes

Total Shelf Life (Days)

274

Forecasted

No

Aircraft Makes

Boeing

Aircraft Models

737-200
737-500
727-100
737-100
757
737-800
8 more

Shipping Details

Hazmat Code

ZND

ECCN

EAR99

Schedule B

3214100020

8130-3 Eligible

No

Hazmat

No

Part Explosive

No

Item Replacement History

Buy now from
Boeing Distribution (formerly Aviall)
This product has been replaced by new
Part # PS890B1-2=5N
View Replacement
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.