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Dapco 2100 Primerless Firewall Sealant 6oz

$318.00/Each
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Part# 09-05253
MFR Model# DAPCO 2100

Overview

Dapco™ 2100 is an adhesive, solvent-free, thixotropic silicone paste. Dapco™ 2100 is most commonly used as a coating, sealant, or filleting material in the construction, repair and maintenance of all types of aircraft. The product can be applied using a variety of methods and is especially useful where fire resistance, exposure to phosphate ester fluids, and/or exposure to extreme temperatures -65° F (-54° C) to 400° F (204° C) are major considerations. The product can also be used as an insulative and/or ablative heat shield.

Shelf life is 6 months from mix/fill date if stored in a foiled bag at ambient conditions. Once opened, sealant should be recapped and replaced in resealable bag between times of usage. Shelf life good for 30 days after initially opened.product can also be used as an insulative and/or ablative heat shield.

Features

  • Excellent fire resistance to 3500° F
  • Service temperature of -65° F up to 400° F
  • Universal primerless adhesion to diverse substrates
  • Good resistance to aerospace chemicals
  • Offers non-inhibition curing characteristics against other sealants and adhesives
  • Extended application time
  • One part premixed room temperature stability
  • Non-Volatile Content of 97%
  • Qualified to BMS 5-63, AMS3374, BAMS 552-004, AIMS 04-05-003, AIMS 04-05-008, and CMNP009

Specifications

  • Size: 6 OZ
  • Color: Grey
  • Appearance: Thixotropic Paste
  • Viscosity (poise @ 77° F): >20000
  • Specific Gravity (cured): 1.37

Reviews

Jason F Verified Purchase

Dapco 2100 Primerless Firewall Sealant 6 Oz

March 18, 2022

Rick W Verified Purchase

Dapco 2100 Primerless Firewall Sealant 6 Oz

March 2, 2022

I bought this to bond Fiberfrax to my plywood/fiberglass composite firewall. I cut the “firewall shaped” Fiberfrax into smaller sections - because I wasn’t sure how the Dapco 2100 would apply and cure (as I couldn’t find any info on it). As it turns out, I was able to use a (slightly modified) standard “hardware” type calking gun with some cylindrical items of various lengths (that fit inside the Dapco 2100 tube – which is smaller in diameter than the calking tubes you get at the hardware store) to push the “paste” out of the tube. The paste had a consistency of thick toothpaste, and I applied it to the structure using metal acid/glue brushes (scooping the paste with the brush as I squeezed it out of the tube). It spread easily, with the Fiberfrax adhering to it as I did each section. I was glad I did smaller sections - because the Dapco 2100 would cure too fast for large areas (using my application technique). It’s gray and it cures to a firm “rubbery” texture. When I finished the areas that I was working on I would press the red cap back on the tube, and I never had an issue with the paste curing inside the tube while I worked with it. The Dapco 2100 applied well and - in spite of it being pricey - I like the added protection I’m getting from it.

James B
May 17, 2021

Great stuff at a fraction of the cost of original brand sealant and meets or exceeds Diamond requirements. So happy to find this.

Paul W
November 27, 2020

1/3 of the price compared to purchasing through Textron (Cessna Parts) Used on all Cessna Single Eng.restarts as a firewall sealant.

Ken S
November 23, 2017

Q&A

Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is needed to apply the sealant? Is there a specific applicator?

This uses the same sealant guns/dispensors as the ProSeal, Chemseal, & AC-Tech sealants we offer. We have manual and pneumatic units, this part number would require a 6 Oz cartridge gun/dispenser. Example, a manual 6 Oz unit is P/N 09-38530.

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