Limestone Sealants | McMaster-Carr

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13 Products

About Sealant Flexibility

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
Hybrid Polymer
10.1	Cartridge	5 min.	3 days	500%	-25% to 25%	400	Medium (Durometer 50A)	-40° to 190°	Metal Metal to Plastic Metal to Rubber Metal to Glass Plastic Plastic to Rubber Plastic to Glass Rubber Rubber to Glass Glass Masonry Wood	Limestone	0000000	00000	00000
10.1	Cartridge	60 min.	3 days	1,000%	-50% to 50%	350	Soft (Durometer 25A)	-40° to 200°	Metal Metal to Plastic Metal to Rubber Metal to Glass Plastic Plastic to Rubber Plastic to Glass Rubber Rubber to Glass Glass Masonry Wood	Limestone	0000000	0000	0000

Structural Sealants

These structural sealants combine the mechanical strength of an adhesive with excellent sealing properties and high flexibility. 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. 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
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Hardness	Temp. Range, °F	For Joining	Color		Each
Sika Sikaflex Polyurethane
1-A	20	Sausage Pack	6 hrs.	7 days	550%	-35% to 35%	Medium Soft (Durometer 35A)	-40° to 170°	Metal Metal to Plastic Metal to Rubber Metal to Composites Plastic Plastic to Rubber Plastic to Composites Rubber Rubber to Composites Composites Masonry Wood	Limestone	00000000	000000

Primer for Sika Sikaflex Sealants (3.4-oz Bottle)

0000000

Each

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All-Weather Application Structural Sealants

Limestone

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	Limestone	0000000	000000

High-Strength Self-Leveling Concrete Joint Sealants

Seal concrete joints in high-traffic locations—these sealants stand up to heavy wear and tear, such as steel wheel traffic. Thinner than non-sagging sealants, these flow easily into cracks and have a smooth finish.

Silicone sealant is RTV (room-temperature vulcanizing).

Elongation and joint compression/expansion tolerance indicate flexibility—the higher the values are, the more joint movement sealants can sustain. These sealants are best suited to joints between similar materials that aren't exposed to wide temperature fluctuation. For high-wear applications, choose a harder sealant for the most abrasion resistance.

When Sika Sikaflex Polyurethane requires a primer, for best results use Primer 260 on metal and Primer 449 on plastic and rubber.

	Container							For Max. Crack
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Hardness	Wd.	Dp.	Temp. Range, °F	For Joining	Color		Each
Sika Sikaflex Polyurethane
1C SL	10.1	Cartridge	2 hrs.	5 days	320%	-25% to 25%	Medium Soft (Durometer 35A)	1/2"	1/2"	-40° to 170°	Metal, Plastic, Rubber, Composites, Glass, Masonry, Wood	Limestone	0000000	000000
1C SL	29	Cartridge	2 hrs.	5 days	320%	-25% to 25%	Medium Soft (Durometer 35A)	1/2"	1/2"	-40° to 170°	Metal, Plastic, Rubber, Composites, Glass, Masonry, Wood	Limestone	0000000	00000
Silicone
__	29	Cartridge	60 min.	7 days	1,000%	-50% to 100%	Soft (Durometer 20A)	1"	1/2"	-60° to 300°	Metal, Plastic, Rubber, Composites, Glass, Masonry, Wood	Limestone	0000000	00000

Primer 260 for Sika Sikaflex Sealants (1-pt. Can)	0000000	Each	000000
Primer 449 for Sika Sikaflex Sealants (1-pt. Can)	0000000	Each	00000

High-Strength Concrete Joint Sealants

Seal concrete joints in high-traffic areas—these sealants stand up to heavy wear and tear, such as steel wheel traffic. They're non-sagging, so they won't drip from vertical and overhead surfaces. Made from silicone, sealants are RTV (room-temperature vulcanizing).

	Container							For Max. Crack
Mfr. Model No.	Size, fl. oz.	Type	Begins to Harden	Reaches Full Strength	Elongation	Joint Compression/ Expansion Tolerance	Hardness	Wd.	Dp.	Temp. Range, °F	For Joining	Color		Each
Sika Sikasil Silicone
728 NS	29	Cartridge	25 min.	7 days	1,000%	-50% to 100%	Soft (Durometer 10A)	1"	1/2"	-80° to 350°	Metal, Plastic, Rubber, Composites, Masonry, Wood	Limestone	0000000	000000

Primer for Sika Sikasil Sealant (8-fl. oz. Bottle)

0000000

Each

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	20	Sausage Pack	3 hrs.	14 days	-50% to 50%	60	Medium Soft (Durometer 35A)	-20° to 120°	-40° to 300°	Metal	Limestone	0000000	000000