Bronze Fillers | McMaster-Carr

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7 Products

About Sealant Flexibility

Mix these two-part surface fillers together to repair leaks and cracks as well as to rebuild rough spots in metal. The size listed is the combined total of the two parts.

	Container
Mfr. Model No.	Net Weight	Type	Begins to Harden, min.	Reaches Full Strength, hrs.	Consistency	Mix Ratio	Approx. Coverage @ Thick.	Temp. Range, °F	Color	Finishing Method	For Use On		Each
Devcon Bronze Putty
10260	1 lbs.	Jar, Can	35	16	Putty	9:1	50 sq. in. @ 1/4"	-40° to 250°	Bronze	Machine, Drill, Sand, Saw, Tap	Brass, Bronze	00000000	0000000

All-Weather Application Structural Sealants

Bronze

Apply these sealants in cold temperatures, on wet surfaces, and even through running water. They are structural sealants that combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility. Sealants are non-sagging, so they won't drip from vertical and overhead surfaces.

Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. These sealants are good for use between dissimilar materials and in environments with wide temperature fluctuation.

Container
Size	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Tensile Strength, psi	Hardness	Temp. Range, °F	For Joining	Color		Each
Polyether
10.1 fl. oz.	Cartridge	20 min.	7 days	525%	-35% to 35%	370	Medium (Durometer 45A)	-40° to 200°	Metal Metal to Plastic Metal to Rubber Metal to Composites Metal to Glass Plastic Plastic to Rubber Plastic to Composites Plastic to Glass Rubber Rubber to Composites Rubber to Glass Asphalt Composites Composites to Glass Glass Masonry Wood Wood to Glass	Bronze	0000000	000000

Silicone Sealants

Made from silicone, these sealants are RTV (room-temperature vulcanizing). They’re non-sagging, so they won't drip from vertical and overhead surfaces.

Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. Sealants that are good for joining dissimilar materials also work well in environments with wide temperature fluctuation.

Container
Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Hardness	Temp. Range, °F	For Joining	Specifications Met	Color		Each
Silicone
9.8	Cartridge	5 min.	24 hrs.	Not Rated	-25% to 25%	Not Rated	-40° to 350°	Metal Metal to Plastic Metal to Glass Plastic Plastic to Glass Glass	ASTM C920 Type S Grade NS Class 25	Bronze	000000	000000
10.1	Cartridge	10 min.	24 hrs.	500%	-25% to 25%	Soft (Durometer 22A)	-60° to 400°	Metal	ASTM C920 Type S Grade NS Class 25, FDA Compliant 21 CFR 177.2600	Bronze	00000000	0000

PR-1200 Primer for Dow Corning 700, 732, 733, 736, Loctite®, 76435T21, 76435T11, and 7545A611 Sealants (10.9 fl. oz. Bottle)

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Sealants

These sealants are non-sagging, so they won't drip from vertical and overhead surfaces.

Elongation and joint compression/expansion tolerance indicate flexibility. For joints between dissimilar materials and in environments with wide temperature fluctuation, choose a sealant with a higher elongation or joint compression/expansion tolerance. For high-wear applications, choose a harder sealant for the most abrasion resistance.

Container												Each
Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Tensile Strength, psi	Hardness	Temp. Range, °F	For Joining	Color		1-11	12-Up
Polyurethane
10.1	Cartridge	3 hrs.	24 hrs.	880%	-25% to 25%	200	Medium (Durometer 45A)	-20° to 150°	Metal Metal to Plastic Metal to Rubber Metal to Composites Plastic Plastic to Rubber Rubber Rubber to Composites Asphalt Composites Masonry Wood	Bronze	0000000	00000	00000

All-Weather Application Sealants

Apply these sealants on wet surfaces and in cold temperatures. They’re non-sagging, so they won't drip from vertical and overhead surfaces.

Container											Each
Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Hardness	Temp. Range, °F	For Joining	Color		1-11	12-Up
Hybrid Polymer
10	Cartridge	8 hrs.	14 days	550%	-25% to 25%	Soft (Durometer 22A)	-20° to 200°	Metal Metal to Plastic Metal to Composites Plastic Plastic to Composites Composites Masonry Wood	Bronze	000000	000000	000000

Structural Glass Sealants

Make seals that support glass under heavy loads in equipment and buildings. These sealants are also known as glazing compounds. They’re non-sagging, so they won't drip from vertical and overhead surfaces. Made from silicone, sealants are RTV (room-temperature vulcanizing).

Joint compression/expansion tolerance indicates flexibility—the higher the value is, the more joint movement a sealant can sustain.

	Container
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Joint Compression/ Expansion Tolerance	Tensile Strength, psi	Hardness	Application Temp. Range, °F	Temp. Range, °F	For Joining	Color		Each
Dow Corning Silicone
795	10.3	Cartridge	3 hrs.	14 days	-50% to 50%	60	Medium Soft (Durometer 35A)	-20° to 120°	-40° to 300°	Metal	Bronze	0000000	000000