Almond Gaskets | McMaster-Carr

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Mixing Required

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REACH

Food Industry Standard

FDA Compliant 21 CFR 177.2600

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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6 Products

About Sealants

Select a sealant that can stretch, contract, and expand enough for your joints.

Silicone Rubber Sealants

Made from silicone rubber, 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.

Silicone Rubber

Cartridge

	Hardness Rating	Temp. Range, ° F	For Joining	Food Industry Std.	Specs. Met	Color (Clarity)		Each
9.8 fl. oz. Cartridge







	24 hr. Reaches Full Strength

	5	Not Rated	-25% to 25%	Not Rated	-40 to 350	Glass Metal Plastic Metal to Glass Metal to Plastic Plastic to Glass	—	ASTM C920 Type S Grade NS Class 25	Almond (Opaque)	7479A4	000000


	10.1 fl. oz. Cartridge







					24 hr. Reaches Full Strength

					10	500%	-25% to 25%	Soft (Durometer 22A)	-60 to 400	Metal	FDA Compliant 21 CFR 177.2600	ASTM C920 Type S Grade NS Class 25	Almond (Opaque)	76435T11	0000

Sealant Primers

		Each
PR-1200 Primer for Dow 700, 732, 733, 734, 736, 737, 739, 786, 995, Loctite®, 76435T21, 76435T11, 7545A611 and 1919N3 Sealants (10.9 fl. oz. Bottle)	7442A23	000000

Caulk

Caulk is non-sagging, so it 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 a sealant can sustain. Caulk is best suited to joints between similar materials that aren't exposed to wide temperature fluctuation.

Acrylic Plastic About Acrylic Plastic

Cartridge

													Each
	Begins to Harden, min.	Reaches Full Strength, day	Elongation	Joint Compression/Expansion Tolerance	Tensile Strength	Hardness Rating	Temp. Range, ° F	Mil. Spec.	Specs. Met	For Joining	Color		1-11	12-Up
10.1 fl. oz. Cartridge



		60	3	500%	-50% to 50%	Not Rated	Not Rated	-20 to 180	Fed. Spec. TT-S-00230	ASTM C920 Type S Grade NS Class 25	Masonry Metal Wood	Almond	7640T5	00000	00000

Vinyl Plastic

Cartridge

											Each
	Begins to Harden, min.	Reaches Full Strength, day	Elongation	Joint Compression/Expansion Tolerance	Tensile Strength	Hardness Rating	Temp. Range, ° F	For Joining	Color		1-11	12-Up
10 fl. oz. Cartridge



		30	2	Not Rated	Not Rated	Not Rated	Not Rated	-20 to 180	Masonry Metal	Almond	7649T2	000000	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									Temp., ° F					Each
	Size, fl. oz.	Type	Begins to Harden, hr.	Reaches Full Strength, day	Elongation	Joint Compression/Expansion Tolerance	Tensile Strength, psi	Hardness Rating	Application Temp. Range, ° F	Min.	Max.	For Joining	Color (Clarity)		1-11	12-Up
Polymer



		10	Cartridge	8	14	550%	-25% to 25%	100	Soft (Durometer 22A)	20 to 120	-20	200	Composite Masonry Metal Plastic Wood Metal to Composite Metal to Plastic Plastic to Composite	Almond (Opaque)	7647T3	000000	000000