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Thermal Pipe Insulation for Industrial Applications

The Insulation Guy offers 13 types of industrial pipe insulation with various jacketed and unjacketed options, rated for temperatures as low as -300°F to as high as +2300°F.

By offering a range of cold and high temp insulation, we can stay on top of industry demands and help your business. Explore fiberglass pipe insulation, fitted pipe jackets, custom insulation shapes, and more - all available to ship to anywhere in the United States!

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Types of Cold and High Temp Industrial Pipe Insulation

Industrial pipe insulation for extreme temperatures (-300F to 2300F). Improves energy efficiency, moisture control, and safety precautions.

Fitted pipe insulation shapes are perfect for encasing straight pipes, curves, or joints that require special attention. Engineered shapes to 22" I.D. can be flexible or rigid, with an R Value from 2.63 to 7.5 per inch.
Maintain a clean and visibly appealing facility by choosing pipe insulation with a traditional all-service jacket (ASJ). This insulation comes in 5/8" I.D. to 34", 0° to +850°, with thicknesses that range from 1/2" to 4".
The all-new ASJ Max FiberglasTM Pipe Insulation is designed to keep your facility safe while saving you money on heating and cooling costs. Fiberglass insulation is durable and long-lasting in extreme conditions.
Flexible foams insulate temperatures from -40° to +300°F. Available are nine types of UV and non-UV types in sizes from 3/8" ID. to 16" and thicknesses up to 4". For use in all applications from plumbing to aerospace.

Thermal Pipe Insulation to Benefit Your Business

Thermal insulation is designed to retard extreme temperatures (hot or cold) to help save on heating and cooling costs, reduce condensation, and act as a safeguard against onsite injuries. Thermal pipe insulation may be made of either natural or manufactured materials, depending on its intended application.

Choose from rugged, high-performance insulation materials such as fiberglass or closed-cell rubber foam for a host of applications, including:

Energy conservation
Freeze protection
Condensation control
Noise control
Personnel protection

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Popular Product Specs

Owens Corning SSL II® with ASJ Max Fiberglas™ Pipe Insulation

SSL II with ASJ Max — Physical Properties

Property	Test Method	Value
Density (size dependent)	ASTM C302	3.5 to 5.5 pcf
Operating Temperature Range¹	ASTM C411	0°F to 1,000°F (−18°C to 538°C)
Water Vapor Sorption	ASTM C1104	Less than 5% by weight
Jacket Temperature Limitation	ASTM C1136	−20°F to 150°F (−29°C to 66°C)
Jacket Permeance	ASTM E96, Proc. A	0.01 perm
Burst Strength, min	ASTM D774/D774M	100 psi
¹ With heat-up schedule when operating temperatures are between 850°F and 1,000°F.

SSL II with ASJ Max — Corrosion Resistance and Fire Performance
Property	Test Method	Value
Corrosion Resistance
Corrosion to Steel	ASTM C1617	Meets Requirements
Stress Corrosion Evaluation on External Stress Corrosion Cracking Tendency of Austenitic Stainless Steel	ASTM C795 and ASTM C692²	Meets Requirements
Chemical Analysis for Cl−, Fl−, Na+, SiO₃	ASTM C795 and ASTM C871²	Results fall within acceptability limits
Fire
Composite Surface Burning Characteristics³	UL 723, ASTM E84, or CAN/ULC-S102	Flame Spread 25 Smoke Developed 50
² Preproduction qualification testing complete and on file. Chemical analysis of each production lot required for total conformance; certification must be specified at time of order. ³ With heat-up schedule when operating temperatures between 850°F and 1,000°F ⁴ The surface burning characteristics of these products have been determined in accordance with UL 723, ASTM E84, and CAN/ULC-S102. Values are reported to the nearest 5 rating.

SSL II with ASJ Max — Thermal Conductivity (IP)
Mean Temperature (°F)	k (Btu·in/hr·ft²·°F)
50	0.22
75	0.23
100	0.24
150	0.27
200	0.29
250	0.32
300	0.35
350	0.39
400	0.43
450	0.48
500	0.54
Apparent thermal conductivity per ASTM C1045 with data obtained by ASTM C335. Values are nominal, subject to normal testing and manufacturing tolerances.

SSL II with ASJ Max — Thermal Conductivity (SI)
Mean Temperature (°C)	λ (W/m·°C)
10	0.032
25	0.034
50	0.037
100	0.043
125	0.047
150	0.051
175	0.056
200	0.062
225	0.068
250	0.075
275	0.082

SSL II with ASJ Max — Thickness to Prevent Surface Condensation, up to 16″ NPS (400 mm DN)
Ambient Temperature	Relative Humidity	System Operating Temperature
Ambient Temperature	Relative Humidity	35°F (2°C)	45°F (7°C)	55°F (13°C)
110°F (43°C)	70%	1" (25)	1" (25)	1" (25)
	80%	1½" (38)	1½" (38)	1½" (38)
	90%	3½" (89)	3½" (89)	3" (76)
100°F (38°C)	70%	1" (25)	1" (25)	1" (25)
	80%	1½" (38)	1½" (38)	1" (25)
	90%	3½" (89)	3" (76)	2½" (64)
90°F (32°C)	70%	1" (25)	1" (25)	1" (25)
	80%	1½" (38)	1" (25)	1" (25)
	90%	3½" (89)	3" (76)	2½" (64)
80°F (27°C)	80%	1½" (38)	1" (25)	1" (25)
80°F (27°C)	90%	3" (76)	2½" (64)	2" (51)
70°F (21°C)	80%	1" (25)	1" (25)	1" (25)
70°F (21°C)	90%	2½" (64)	2" (51)	1" (25)
Thickness in inches, millimetres in parentheses. Calculations estimated using NAIMA 3E Plus v4.0. Fixed design conditions: steel horizontal piping, 16″ NPS, 0 mph wind speed, outer surface jacket emittance 0.9. Thermal conductivity values used are subject to normal manufacturing tolerances.

SSL II with ASJ Max — Insertion Loss in dB per ASTM E1222
Frequency (Hz)	At 1" Thickness (dB)	At 2" Thickness (dB)
315	−3	−2
400	2	0
500	1	0
630	3	1
800	0	−3
1000	6	8
1250	6	7
1600	10	13
2000	11	13
2500	16	20
3150	18	23
4000	19	23
5000	18	22

Armacell AP/ArmaFlex® + AP/ArmaFlex FS

AP/ArmaFlex — Service Temperature Range (ASTM C534)
Range / Item Group	Min. °C	Min. °F	Max. °C	Max. °F
⅜" through 1" walls (NBR/PVC-based)	−183	−297	105	220
1½" and 2" walls (NBR/PVC-based)	−183	−297	105	220
1½" and 2" walls (EPDM-based)	−183	−297	149	300
Full bonding sheet insulation: 82°C (180°F). Contact Armacell for applications beyond the recommended service temperature range.

AP/ArmaFlex — Declared Thermal Conductivity (ASTM C177, ASTM C518)
Mean Temperature Θ_m	50°F (10°C)	75°F (24°C)	100°F (38°C)	125°F (52°C)
Range 1 — ⅜" through 2" walls (NBR/PVC products)
λ_d ≤ [W/(m·K)]	0.034	0.0353	0.037	0.039
k ≤ [Btu·in/(h·ft²·°F)]	0.235	0.245	0.257	0.268
Range 2 — 1½" and 2" walls (EPDM-based)
λ_d ≤ [W/(m·K)]	0.040	0.040	0.041	0.043
k ≤ [Btu·in/(h·ft²·°F)]	0.278	0.28	0.289	0.300

AP/ArmaFlex — R-Value for Tubes by ID and Wall Thickness
Tube ID	⅜" (10 mm)	½" (13 mm)	¾" (19 mm)	1" (25 mm)	1½" (38 mm)	2" (50 mm)
¼" (6 mm)	2.8	3.8	6.4	8.3	—	—
⅜" (10 mm)	2.8	3.3	5.9	7.3	13.7	19.7
½" (13 mm)	2.6	3.3	5.5	7.2	12.7	18.2
⅝" (16 mm)	2.6	3.4	5.6	7.2	12.0	17.2
¾" (19 mm)	2.4	3.3	5.5	7.0	11.3	16.2
⅞" (22 mm)	2.4	3.3	5.4	7.0	10.8	15.5
1⅛" (29 mm)	2.3	3.3	5.4	7.2	10.1	14.5
1⅜" (35 mm)	2.2	3.2	5.3	7.2	9.6	13.7
1⅝" (41 mm)	2.5	3.2	5.1	7.2	9.2	13.1
1½" IPS (48 mm)	2.4	3.1	4.9	6.9	8.7	12.4
2⅛" (54 mm)	2.4	3.2	4.8	6.8	8.6	12.2
2" IPS (60 mm)	2.4	3.2	5.2	7.1	8.8	12.3
2⅝" (67 mm)	2.4	3.2	4.7	6.5	8.2	11.6
2½" IPS (73 mm)	2.4	3.2	5.0	6.8	8.4	11.7
3⅛" (79 mm)	2.4	3.2	4.6	6.3	7.9	11.1
3" IPS (89 mm)	2.3	3.1	4.9	6.6	8.1	11.2
3⅝" (92 mm)	—	3.1	4.5	6.2	7.7	10.7
4⅛" (105 mm)	—	3.1	4.5	6.1	7.5	10.5
4" IPS (114 mm)	—	3.0	4.8	6.4	7.8	10.7
5" IPS (141 mm)	—	3.0	4.7	6.2	7.5	10.2
6" IPS (168 mm)	—	3.0	4.6	6.1	7.3	9.9
8" IPS (219 mm)	—	2.9	4.5	5.9	7.0	9.5
10" IPS (273 mm)	—	—	—	5.8	6.8	9.2
Column headings are wall thickness. Specifications are based on measurement methods employed by Armacell; other methods may not produce the same values. See Armacell technical bulletin #1 for details.

AP/ArmaFlex — R-Value for Sheets and Rolls
Wall Thickness	R-Value
¼" (6 mm)	1.0
⅜" (10 mm)	1.5
½" (13 mm)	2.1
¾" (19 mm)	3.1
1" (25 mm)	4.2
1½" (38 mm)	6
2" (50 mm)	8

AP/ArmaFlex — Fire Performance and Approvals
Property	Value / Assessment	Standard / Test Method
Surface burning characteristics	Flame Spread Index less than 25; Smoke Developed Index less than 50. Applies to AP/ArmaFlex tube insulation all thicknesses; AP/ArmaFlex FS sheet and roll through 2"; AP/ArmaFlex sheet and roll through 1". AP/ArmaFlex sheet and roll at 1½" and 2" are not 25/50 rated.	ASTM E84 and UL 723, CAN/ULC S102¹
FM approved	Up to 1½" insulation thickness for tubes; up to 1" for sheets	FM 4924²
UL94 5VA³	Pass at 6 mm (¼") and thicker for AP/ArmaFlex Pass at 7.5 mm (0.30") and thicker for AP/ArmaFlex FS	UL 94
UL94 V-0³	Pass at 6 mm (¼") and thicker for AP/ArmaFlex Pass at 13 mm (½") and thicker for AP/ArmaFlex FS	UL 94
UL94 V-1³	Pass at 7.5 mm (0.30") and thicker for AP/ArmaFlex FS	UL 94
Practical fire behavior	Self-extinguishing, does not drip, does not spread flames	UL 94
¹ CAN/ULC S102 up to 1" thickness. ² AP/ArmaFlex pipe insulation is FM Approved for ID sizes up to and including 4 IPS. ³ UL file number E535094.

AP/ArmaFlex — Moisture, Physical and Acoustic Properties
Property	Value / Assessment	Standard / Test Method
Water vapor permeability	0.05 perm-inch (0.725 × 10⁻¹³ kg/(s·m·Pa)) for NBR/PVC products 0.08 perm-inch (1.16 × 10⁻¹³ kg/(s·m·Pa)) for EPDM products	ASTM E96, Procedure A
Water absorption	0.2% by volume	ASTM C209, ASTM C1763
Density	3 to 6 lb/ft³ (48 to 96 kg/m³)	ASTM D1667
Sound absorption average (SAA)	1" (25 mm): 0.38 1.5" (38 mm): 0.49 2" (50 mm): 0.51	ASTM C423⁴
Mold growth	Passed	UL 181
Fungal growth	Passed	ASTM C1338, ASTM G21
⁴ Type A mounting.

Aerocel® EPDM Tube & Sheet Insulation

Aerocel EPDM — Physical Properties
Property	Result	Test Method
Cell Structure	Closed Cell	—
Thermal Conductivity	0.245 Btu·in/hr·ft²·°F	ASTM C518 / C177
Service Temperature	−297°F to +257°F	ASTM C411
U.V. Resistance	Pass	ASTM G7 / G90
Ozone Resistance	No cracking	—
Water Vapor Permeability	0.03 perm (4.38 × 10⁻¹¹)	ASTM E96
Water Absorption (weight %)	0.2%	ASTM C209
Fire Safety Characteristics (through 2" thickness)	25/50 flame spread / smoke developed UL-94 5V-A, V-O Self-extinguishing	ASTM E84
Corrosion of Stainless Steel	Non-corrosive	ASTM C692, DIN 1988
Aerocel also conforms to: ASTM C534, NY City MEA #171-04-M, City of LA RR-8413, UL 181 Section 13 Mold Growth/Humidity, ASTM G21 Fungal Resistance, UL 181 Section 18 Air Erosion, NFPA 90A & 90B, MIL-15280J. Meets IECC and ASHRAE energy code requirements for R-4 refrigeration piping at 1" wall thickness.

Aerocel EPDM — ASHRAE 90.1-2007 Energy Efficiency Insulation Thickness
Operating Temperature	<1" ID	1" ID to <1½" ID	1½" ID to <4" ID	4" ID to <8" ID	≥8" ID
Space Heating (insulation thickness, inches)
201°F – 250°F	1½"	1½"	2"	2"	2"
141°F – 200°F	1"	1"	1"	1½"	1½"
105°F – 140°F	½"	½"	1"	1"	1"
Service Water Heating (insulation thickness, inches)
105°F and above	½"	½"	1"	1"	1"
Cooling Systems (insulation thickness, inches)
40°F – 60°F	½"	½"	1"	1"	1"
≤40°F	½"	1"	1"	1"	1½"

Aerocel EPDM — Minimum Thickness Required to Prevent Condensation
Insulation Thickness	Pipe Operating Temperature — Pipe Outside Diameters
Insulation Thickness	50°F	38°F	0°F	−20°F
Design conditions — 85°F, 70% RH, low air movement
¼"	⅜" – 1"	—	—	—
⅜"	¾" – 6"	⅜" – ¾"	—	—
½"	—	⅞" – 6"	—	—
¾"	—	—	⅜" – 1½"	⅜" – ½"
1"	—	—	1⅝" – 6"	¾" – 2½"
1¼"	—	—	—	2⅝" – 6"
Design conditions — 80°F, 50% RH, low air movement
¼"	⅜" – 6"	⅜" – 6"	—	—
⅜"	—	—	⅜" – ¾"	—
½"	—	—	⅞" – 6"	⅜" – 1"
¾"	—	—	—	1⅛" – 6"
Design conditions — 90°F, 80% RH, low air movement
½"	⅜" – 7"	—	—	—
¾"	1" – 6"	⅜" – 2"	—	—
1"	—	2⅛" – 6"	⅜" – ½"	—
1¼"	—	—	¾" – 2"	⅜" – ⅞"
1½"	—	—	2⅛" – 6"	1" – 2⅛"
2"	—	—	—	2¼" – 6"
Cell values are the range of pipe outside diameters served by that insulation thickness at the stated operating temperature.

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Enjoy improved process control in any industry with pipe insulation engineered to fit any size or type of pipe, valve, or fitting, including special shapes such as 90's, 45's, and T's. Whatever your unique situation or set-up, we've got you covered.

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