Foam Rounds | McMaster-Carr

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Material

Shape

Ring with Bolt Holes

System of Measurement

Diameter

OD

Pipe Size

Color

Thickness

0.026" to 0.036"

0.035" to 0.070"

For Flange ANSI Class

Hardness Rating

Maximum Temperature

Less than 500° F

500° F to 999° F

Cell Type

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -100° F

-99° F to 0° F

Backing Type

Number of Bolt Holes

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Flexibility

For Use With

Hardness

Width

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

3,000 psi to 9,999 psi

How can we improve?

489 Products

Raw Materials

Foam

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

Sealing

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Made-to-Order Gaskets

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

Manway Gaskets

Create a tight seal between the nozzle and lid of tank car manways

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Fabricating and Machining

Buffing and Polishing Pads

Buffing and Polishing Pads

Remove imperfections and apply protective coatings on delicate surfaces

Sanding Blocks

For better control than powered sanders, sand surfaces manually

Sanding Disc Cushioning Pads

Sanding Disc Cushioning Pads

Add between your sanding disc and backup pad for a finer finish

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)