Hi-Temp Silicone | McMaster-Carr

Filter by

Color

System of Measurement

Width

Maximum Temperature

Thickness

Material

Hardness

Backing Type

Hardness Rating

Shape

Panel-Mount Mil. Spec. Connector

For Use With

Diluted Salt Solutions

Environment

Cross Section Shape

Length

Container Type

Minimum Temperature

REACH

RoHS

Food Industry Standard

3-A Sanitary Standard

FDA Standard

NSF Standard

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

Yes

For Use Outdoors

Yes

Export Control Classification Number (ECCN)

1C008

EAR99

DFARS Specialty Metals

Texture

5,339 Products

Sealing

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

106 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

2 products

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

52 products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

30 products

EMI/RFI Shielding Gaskets

Fit around enclosure doors or data connectors to prevent inaccurate signals and flickering displays

37 products

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

2,232 products

Cord Stock

Cut to length to create customized seals

96 products

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

119 products

Raw Materials

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

1,040 products

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

635 products

Fluid Handling

Tubing

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

778 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

103 products

Fabricating and Machining

Casting Compounds

Mix and pour into molds to capture intricate detail when casting parts, linings, and prototypes

5 products

Electrical Power, Networking, and Controlling

Potting Compounds

Encase electronic assemblies in material that hardens to protect from dust, moisture, and vibration

27 products

Wire Sleeving

Bundle wiring and protect from abrasion and heat

12 products

Thermal Interface Pads

Soft and flexible, so they conform to rough surfaces and fill gaps between two surfaces

24 products

Building and Machinery Hardware

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

23 products

Surface Guards

Protect walls and other flat surfaces from impact

8 products

Fastening and Joining

Mounting Adhesives

Mount objects with a range of adhesives, including glue-on-a-roll and glue shapes

8 products