3M AC-250 A-1/6 Aerospace Sealant

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

3M AC-250 A-1/6 Aerospace Sealant
Categories:	Polymer; Thermoset; Polysulfide Sealant/Adhesive
Material Notes:	3M Aerospace Sealant AC-250 A-1/6 is a two-part, low temperature curing polysulfide, quick repair sealant for integral fuel tank and fuselage sealing applications. The mixed compound is a pourable liquid which can be applied with a spatula, extrusion gun, roller, or brush. It will cure to a fuel-resistant rubber at temperatures above -6.7°C. Information provided by 3M
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Density	1.61 g/cc	AMS-S83318
Volatiles	<= 11 %
Brookfield Viscosity	100000 - 400000 cP	Base, RVF #6 sp @ 2 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore A	40	Hydrolytic Stability; AMS-S83318
	55	AMS-S83318
Tensile Strength at Break	2.07 MPa @Time 1.21e+6 sec	Standard Cure; AMS-S83318
	1.52 MPa @Treatment Temp. 60.0 °C, Time 1.21e+6 sec	JRF; AMS-S83318
	2.14 MPa @Treatment Temp. 121 °C, Time 605000 sec	JRF; AMS-S83318
Elongation at Break	220 % @Time 1.21e+6 sec	Standard Cure; AMS-S83318
	180 % @Treatment Temp. 121 °C, Time 605000 sec	JRF; AMS-S83318
	225 % @Treatment Temp. 60.0 °C, Time 1.21e+6 sec	JRF; AMS-S83318
Peel Strength	21.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF, Stainless Steel; AMS-S83318
	21.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF/SW, Alodine; AMS-S83318
	24.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF/SW, MIL-C-27725; AMS-S83318
	24.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF/SW, Alclad; AMS-S83318
	25.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF, MIL-C-27725; AMS-S83318
	25.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF, Alclad; AMS-S83318
	25.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF, Titanium; AMS-S83318
	26.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF/SW, Stainless Steel; AMS-S83318
	26.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF, Alodine; AMS-S83318
	27.0 pli @Temperature 60.0 °C, Time 605000 sec	JRF/SW, Titanium; AMS-S83318

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	121 °C	AMS-S83318
Minimum Service Temperature, Air	-54.0 °C	AMS-S83318

Processing Properties	Original Value	Comments
Cure Time	2.00 hour @Temperature 25.0 °C
	8.00 hour @Temperature 4.40 °C
	14.0 hour @Temperature -6.70 °C
Tack-Free Time	1.17 hour @Temperature 25.0 °C
	7.00 hour @Temperature 4.40 °C
	12.0 hour @Temperature -6.70 °C
Shelf Life	6.00 Month @Temperature <=26.7 °C

Descriptive Properties
Alkalinity	13
Appearance	Dark Brown	Accelerator
	Gray
	White	Base

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Master Bond EP21TP-2 Two Component Polysulfide Epoxy Adhesive and Sealant
Master Bond EP21TPLV Two Component Epoxy System
Master Bond EP21TPND Two Component Polysulfide Epoxy Adhesive
Abatron AboSeal 8104-11 Polysulfide, Thixotropic Sealant and Caulk
Abatron AboSeal 8104-10 Polysulfide, Thixotropic or Self-Leveling Sealant and Caulk

PMM35412 / 170159

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message