Cork Barriers | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	For ID For ID

	OD at Large End OD at Large End

	Profile Profile

	Tapered

	Material Material	Show

Cork

	Material Material	Hide

	Plug Type Plug Type

	Push In

	Color Color

	Black
	Brown

	For Shape For Shape

	Round

	OD at Small End OD at Small End

	Thickness Thickness

1/8"

1/2"

	Insulation Type Insulation Type

	Sheet/Strip

	Maximum Temperature Maximum Temperature

Less than 250° F

250° to 499° F

	Height Height

	Trade Size Trade Size

0000
000
00
0
1
2
3
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5
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7
8
9
10
11
12
13
14
16
17
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25
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28
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32
36
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	R Value R Value

	Flexibility Flexibility

Flexible

Rigid

	For Use On For Use On

Freezers

Pipe

Tanks

	For Surface Type For Surface Type

Unthreaded

	Backing Type Backing Type


Plain	Adhesive

	Width Width

12"

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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43 Products

About Selecting Thermal Insulation

Wrap pipes, tubing, and fittings to prevent condensation from forming. These strips are for use on copper, iron, and steel.

Cork/Rubber Blend
Thick.	Wd.	Lg., ft.	Temperature Range, °F	Flexibility	Backing Type	Color		Each
1/8"	2"	30	20° to 190°	Flexible	Adhesive	Black	00000000	000000

Low-Temperature Rigid Cork Insulation Sheets

Temperature Range: -325° to 265° F
Heat Flow Rate: 0.28 Btu @ 68° F
Density: 7.5 lbs./cu. ft.
Color: Brown

Use these sheets in operating temperatures below 32° F, such as cold-storage applications.

Thick.	Wd.	Lg., ft.	R Value	Flexibility		Each
1/2"	12"	3	1.8	Rigid	0000000	00000
1"	12"	3	3.6	Rigid	0000000	00000
2"	12"	3	7.1	Rigid	0000000	00000
3"	12"	3	10.7	Rigid	0000000	00000
4"	12"	3	14.3	Rigid	0000000	00000

Corks

Lightweight and moisture resistant, these plugs are laboratory-grade 100% natural cork. They’re tapered to fit a range of hole diameters.

For technical drawings and 3-D models, click on a part number.

		OD
Trade Size	For ID	At Small End	At Large End	Ht.	Max. Temp., °F	Hardness	Color	Pkg. Qty.		Pkg.
0000	7/64"-5/32"	3/32"	3/16"	1/2"	150°	Durometer 60A	Brown	100	0000000	000000
000	11/64"-15/64"	5/32"	1/4"	1/2"	150°	Durometer 60A	Brown	100	0000000	00000
00	1/4"-9/32"	7/32"	5/16"	1/2"	150°	Durometer 60A	Brown	100	0000000	00000
0	19/64"-21/64"	9/32"	3/8"	1/2"	150°	Durometer 60A	Brown	100	0000000	00000
1	11/32"-13/32"	21/64"	7/16"	5/8"	150°	Durometer 60A	Brown	100	0000000	00000
2	27/64"-29/64"	3/8"	1/2"	11/16"	150°	Durometer 60A	Brown	100	0000000	00000
3	15/32"-17/32"	27/64"	9/16"	3/4"	150°	Durometer 60A	Brown	100	0000000	00000
4	1/2"-37/64"	15/32"	5/8"	13/16"	150°	Durometer 60A	Brown	100	0000000	00000
5	9/16"-21/32"	17/32"	11/16"	7/8"	150°	Durometer 60A	Brown	100	0000000	00000
6	5/8"-45/64"	37/64"	3/4"	15/16"	150°	Durometer 60A	Brown	100	000000	00000
7	43/64"-25/32"	5/8"	13/16"	1"	150°	Durometer 60A	Brown	100	0000000	00000
8	23/32"-53/64"	43/64"	7/8"	1 1/16"	150°	Durometer 60A	Brown	50	0000000	00000
9	49/64"-29/32"	47/64"	15/16"	1 1/8"	150°	Durometer 60A	Brown	50	0000000	00000
10	51/64"-59/64"	49/64"	1"	1 1/4"	150°	Durometer 60A	Brown	25	0000000	0000
11	7/8"-1"	53/64"	1 1/16"	1 1/4"	150°	Durometer 60A	Brown	25	0000000	00000
12	59/64"-1 3/64"	57/64"	1 1/8"	1 1/4"	150°	Durometer 60A	Brown	25	0000000	00000
13	1"-1 1/8"	61/64"	1 3/16"	1 1/4"	150°	Durometer 60A	Brown	25	0000000	00000
14	1 3/64"-1 11/64"	1 1/64"	1 1/4"	1 1/4"	150°	Durometer 60A	Brown	25	0000000	00000
16	1 11/64"-1 19/64"	1 3/32"	1 3/8"	1 1/2"	150°	Durometer 60A	Brown	25	0000000	00000
17	1 7/32"-1 3/8"	1 5/32"	1 7/16"	1 1/2"	150°	Durometer 60A	Brown	25	00000000	00000
18	1 19/64"-1 27/64"	1 7/32"	1 1/2"	1 1/2"	150°	Durometer 60A	Brown	10	0000000	0000
19	1 11/32"-1 1/2"	1 9/32"	1 9/16"	1 1/2"	150°	Durometer 60A	Brown	10	00000000	0000
20	1 27/64"-1 35/64"	1 11/32"	1 5/8"	1 1/2"	150°	Durometer 60A	Brown	10	0000000	0000
21	1 15/32"-1 5/8"	1 13/32"	1 11/16"	1 1/2"	150°	Durometer 60A	Brown	10	00000000	00000
22	1 35/64"-1 43/64"	1 15/32"	1 3/4"	1 1/2"	150°	Durometer 60A	Brown	10	0000000	00000
23	1 19/32"-1 3/4"	1 17/32"	1 13/16"	1 1/2"	150°	Durometer 60A	Brown	10	00000000	00000
24	1 43/64"-1 13/16"	1 19/32"	1 7/8"	1 1/2"	150°	Durometer 60A	Brown	10	0000000	00000
25	1 23/32"-1 7/8"	1 21/32"	1 15/16"	1 1/2"	150°	Durometer 60A	Brown	5	00000000	0000
26	1 51/64"-1 59/64"	1 23/32"	2"	1 1/2"	150°	Durometer 60A	Brown	5	0000000	00000
28	1 59/64"-2 3/64"	1 27/32"	2 1/8"	1 1/2"	150°	Durometer 60A	Brown	5	0000000	00000
30	2 3/64"-2 11/64"	1 31/32"	2 1/4"	1 1/2"	150°	Durometer 60A	Brown	1	0000000	0000
32	2 11/64"-2 19/64"	2 3/32"	2 3/8"	1 1/2"	150°	Durometer 60A	Brown	1	00000000	0000
36	2 27/64"-2 35/64"	2 11/32"	2 5/8"	1 1/2"	150°	Durometer 60A	Brown	1	00000000	0000
38	2 35/64"-2 43/64"	2 15/32"	2 3/4"	1 1/2"	150°	Durometer 60A	Brown	1	00000000	0000
40	2 43/64"-2 13/16"	2 19/32"	2 7/8"	1 1/2"	150°	Durometer 60A	Brown	1	00000000	0000
42	2 51/64"-2 59/64"	2 23/32"	3"	1 1/2"	150°	Durometer 60A	Brown	1	00000000	0000
44	2 59/64"-3 3/64"	2 27/32"	3 1/8"	1 1/2"	150°	Durometer 60A	Brown	1	00000000	0000

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About Selecting Thermal Insulation

Pipe Condensation-Reducing Rubber Strips

Low-Temperature Rigid Cork Insulation Sheets

Corks