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Shrink Tubing

This product category is for shrink tubing.   There is a comparative properties chart and there is also a listing of products at the bottom of the page and in the left hand column.

For non-shrinkable Tubing, Sleeving and Expandable Sleeving please see the links provided or the categories in the left column.

DAFLEX and DAFLON Shrinkable Products Comparitive Properties Chart

Daflon & Daflex SeriesNeoprene* SH162PVC SH265HeavyWall PVC SH267Irradiated Polyolefin SH275Irradiated Polyolefin SH277Irradiated Polyolefin SH290Irradiated Polyolefin SH321Kynar SH350FEP SH400TFE 4:1 SH421Shrink/Melt SM270Shrink/Melt 4:1 Polyolefin
SM278
Shrink/Melt SM450TFE* SH620TFE* SH621
Continuous Operating Temp. 120°C 105°C 105°C 135°C 135°C 135°C 135°C 175°C 200°C 288°C 125°C 135°C 232°C 250°C 288°F
248°F 220°F 220°F 275°F 275°F 275°F 275°F 347°F 400°F 500°F 257°F 275°F 450°F 480°F 500°F
Shrinkage Temp. 150°C 100°C 100°C 90°C 110°C 120°C 90°C 175°C 250°C 327°C 125°C 120°C 327°C 327°C 327°C
302°F 200°F 200°F 194°F 230°F 250°F 194°F 347°F 480°F 621°F 275°F 248°F 621°F 621°F 621°F
Shrinkage Ratio Minimum 2:1 2:1 2:1 2:1 4:1 2:1 3:1 2:1 1.33:1 4:1 3:1 4:1 1.4:1 2:1 3:2
Longitudinal Change -5% to -10% 15% 15% 5% 10% 5% 10% 10% 5% 10-20% +5% to -15% 25% 5-25% 20% 10-20%
Tensile Strength PSI Min 2000 3000 3000 1500 1500 2600 1500 4500 3000 3000 1500 1500 2500 3000 3000
Ultimate Elongation % 500 300 300 200 200 500 200 150 300 200 300 200 200 300 300
Low Temp Flexibility -70°C -20°C -20°C -55°C -55°C -55°C -55°C -55°C -67°C -67°C to -55°C -55°C -55°C -67°C -67°C -55°C
-94°F +14°F +14°F -67°F -67°F -67°F -67°F -67°C -85°F -85°F -67°C -67°F -275°F -85°F -85°F
Specific Gravity ASTM D792 1.3 1.32 1.32 1.35 color 1.0 clear 1.35 1.26 color 1.0 clear 1.35 1.8 2.16 2.2 1.3 1.35 2.17 2.2 2.2
V/MIL. Min Dielectric Strength ASTM D149 300 700 600 500 500 500 500 1000 2100 500 500 400 500 900 900
Water Absorption Max. .5% 1% 1% .1% .1% .1% .5% .5% .01% .01% 1.0% .5% ------- 1% .01%
Fungus Resistance Good Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent
Corrosion Good 2% Max. per Mil-I-631 2% Max. per Mil-I-631 non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive non-corrosive
Flammability Self-Ext. Self-Ext. Self-Ext. Self-Ext. Self-Ext. Self-Ext. Self-Ext. Self-Ext. Non-Flammable Non-Flammable Non-Flammable Self-Ext. Jkt Only Non-Flammable Non-Flammable Non-Flammable
Resistance to Soldering Iron Poor Poor Poor Good Good Good Good Excellent Excellent Excellent Good Good Excellent Excellent Excellent
Applicable Specifications UL Std. 224
AMS-3623
MIL-I-23053/1
MIL-I-23053/2
Cl 2
MIL-I-631
ASTM-D-792
ASTM-D-149
ASTM-D-638
ASTM-D-150
MIL. STD. 104
MIL. STD. 104
ASTM-D-796
MIL-I-631
MIL-I-23053/5
ASTM-D-792
ASTM-D-149
ASTM-D-638
ASTM-D-150
ASTM-14-53T
ASTM-150-54T
MIL. STD. 104
L-P 406
AMS-3636
AMS-3637 (CL)
AMS-DTL-23053
SH277
MIL-I-23053/5
AMS-3636
ASTM-D-792
ASTM-D-149
ASTM-D-638
ASTM-D-150
MIL. STD. 104
AMS-3638
AMS-3639 (CL)
MIL-I-23053/6
AMS-DTL-23053
SH321
VW-1
ASTM-D-638
ASTM-D-570
ASTM-876
ASTM-D-792
ASTM-D-257
MIL-I-7444
MIL-I-23053/8
AMS-3632
UL STD 224
MIL-I-23053/11 MIL-I-23053/12
AMS-3584
MIL-I-23053/4 UL Std. 224
ASTM-D-638
AMS-3623
MIL-I-23053/4
MIL. Std. 104
SM450 SH620
MIL-I-23053
ASTM-D-3295
MIL-I-23053/12
MIL-I-22129C
MIL-I-7444B
ASTM-D-638
ASTM-D-149
ASTM-D-792
ASTM-D-150
MIL. STD. 104
L-P 406
AMS-3584
Temperature Limits -94°F to +248°F -4°F to +212°F -4°F to +212°F -67°F to +275°F -67°F to +275°F -67°F to +275°F -67°F to +275°F -67°F to +450°F -275°F to +400°F -275°F to +400°F -67°F to +275°F -67°F to +275°F -275°F to +500°F -275°F to +500°F -275°F to +500°F
*Dupont registered trade mark.
#SH275 Heat Shrinkable Irradiated Polyolefin Tubing MIL-I-23053/5
Price (Each):
#SH275 Heat Shrinkable Irradiated Polyolefin Tubing MIL-I-23053/5
When exposed to heat 194°F/90°C the tubing shrinks 50% in diameter, with 5% longitudinal contraction. Controlled shrinkage to exact requirement takes place. All Purpose · 2:1 · AMS-DTL-23053/5, CL 1 & 2
#SH740 – PEEK Heat Shrink Tubing 1.4:1 (Sizes 10 to 17)
Price (Each):
#SH740 – PEEK Heat Shrink Tubing 1.4:1 (Sizes 10 to 17)
Daburn’s SH740 PEEK heat shrink provides a “shrink to fit” layer of protection for sensitive or critical components. PEEK can withstand extreme temperatures, high pressure and caustic fluids. PEEK has inherent purity and lubricity.
#SM450 Dual-Wall Shrinkable PTFE Encapsulating Tubing·
Price (Each):
#SM450 Dual-Wall Shrinkable PTFE Encapsulating Tubing·
DAFLON SM450 is a dual wall shrink and melt PTFE tubing which gives a tight, moisture-proof seal. It is made from two types of PTFE. The outer wall is TFE and the inner lining is FEP.
#SH721 Viton® Heat Shrink Tubing AMS-DTL-23053/13 (MIL-DTL-23053/13)
Price (Each):
#SH721 Viton® Heat Shrink Tubing AMS-DTL-23053/13 (MIL-DTL-23053/13)
Daburn SH721 is a heat shrinkable, flexible, fluoroelastomer tubing used in high temperature applications or where exposure to aggressive solvents or abrasion is expected. It has a 2:1 shrink ratio & operating temp to 200 deg. C. maintaining flexibility.
#SH380 Diesel-Resistant Heat Shrink AMS-DTL-23053/16 (MIL-DTL-23053/16) Elastomeric Polyolefin Tubing
Price (Each):
#SH380 Diesel-Resistant Heat Shrink AMS-DTL-23053/16 (MIL-DTL-23053/16) Elastomeric Polyolefin Tubing
Flexible elastomer polyolefin tubing, resistant to aviation & diesel fuels, hydraulic fluids, & lubrication oils. It reliably protects wires, solder joints, terminals, connections and components from most industrial fuels, abrasion, & mechanical damage.
#SM284 – High Temperature Fully Flame Retardant 4:1 Polyolefin Heat Shrinkable Tubing
Price (Each):
#SM284 – High Temperature Fully Flame Retardant  4:1 Polyolefin Heat Shrinkable Tubing
Daburn SM284 is a fully flame retardant, semi-rigid, high shrink ratio, adhesive lined heat shrinkable polyolefin tubing. Both jacket and adhesive lining (which flows when heated) are flame retardant. It is designed for insulation and encapsulation.
#SM320 Daflex Shrink/Melt Medium Wall Adhesive Lined 3:1 Shrinkable Polyolefin Tubing
Price (Each):
#SM320 Daflex Shrink/Melt Medium Wall Adhesive Lined 3:1 Shrinkable Polyolefin Tubing
Daburn DAFLEX SM320 is a large size, medium wall adhesive lined, large ratio, heat shrinkable tubing with a meltable adhesive liner. When 120°C is applied, the tubing will shrink to 1/3 of its supplied size.
#SM321 Daflex Shrink/Melt Heavy Wall Adhesive Lined 3:1 Shrinkable Polyolefin Tubing
Price (Each):
#SM321 Daflex Shrink/Melt Heavy Wall Adhesive Lined 3:1 Shrinkable Polyolefin Tubing
DAFLEX SM321 is a large size, heavier wall, adhesive lined, heat shrinkable tubing with a meltable adhesive liner. When 120°C is applied, the tubing will shrink to 1/3 of its supplied size. As the outer wall shrinks the inner adhesive liner melts & flows.
#SH382 – Diesel-Resistant Flexible 2:1 Elastomeric Polyolefin Heat Shrinkable Tubing AMS-DTL-23053/16
Price (Each):
#SH382 – Diesel-Resistant Flexible 2:1 Elastomeric Polyolefin Heat Shrinkable Tubing AMS-DTL-23053/16
Flexible elastomer polyolefin tubing, resistant to aviation & diesel fuels, hydraulic fluids, & lubrication oils. It reliably protects wires, solder joints, terminals, connections and components from most industrial fuels, abrasion, & mechanical damage.
#SH740 – PEEK Heat Shrink Tubing 1.4:1
Price (Each):
#SH740 – PEEK Heat Shrink Tubing 1.4:1
Daburn’s SH740 PEEK heat shrink provides a “shrink to fit” layer of protection for sensitive or critical components. PEEK can withstand extreme temperatures, high pressure and caustic fluids. PEEK has inherent purity and lubricity.
#DCAP DAFLEX Irradiated Heat Shrinkable Polyolefin End Caps 3:1 Ratio
Price (Each): Call for Pricing
#DCAP DAFLEX Irradiated Heat Shrinkable Polyolefin End Caps 3:1 Ratio
Daflex cross linked polyolefin end caps are ideal for sealing cable ends, splices, pipes or similar objects against the environment. They insulate, resist weathering, moisture, common fluids and solvents. These end caps can shrink to 1/3.
#SH162 Daprene Heat Shrinkable Neoprene* Tubing AMS-DTL-23053/1
Price (Each):
#SH162 Daprene Heat Shrinkable Neoprene* Tubing AMS-DTL-23053/1
This tubing meets or exceeds MIL-I-23053/1 Class 1 & 2. It shrinks down 50% of its supplied inside diameter, upon exposure to heat of 150°C/302°F - will remain elastomeric - with no cracks. Longitudinal shrinkage +5% to -10% upon complete shrinkage.
#SH265 Heat Shrinkable Polyvinylchloride Tubing (All Purpose · UL · MIL-I-23053/2 Class 2, Shrink Ratio 2:1)
Price (Each):
#SH265 Heat Shrinkable Polyvinylchloride Tubing (All Purpose · UL · MIL-I-23053/2 Class 2, Shrink Ratio 2:1)
This non-irradiated heat shrinkable PVC tubing is flexible and shrinks 50% when heated to 100°C (212°F) for one minute or less, with approximately 15% longitudinal contraction**. There is controlled shrinkage on the application of heat.
#SH267 Heat Shrinkable Heavy Wall PVC Tubing
Price (Each):
#SH267 Heat Shrinkable Heavy Wall PVC Tubing
This heavy wall PVC tubing shrinks 50% in diameter when heated to 95°C / 200°F for one minute or less, and has the same characteristics as the DAFLEX SH265 All Purpose Series, except for its heavier wall. The heavier wall allows for additional protection.
#SH277 4:1 Shrinkable Polyolefin Tubing
Price (Each): Call for Pricing
#SH277 4:1 Shrinkable Polyolefin Tubing
DAFLEX SH277 shrinkable irradiated polyolefin tubing recovers to 25% of its supplied size when full recovery is permitted. Material will shrink with the application of 120°C (250°F), is rated for continuous operation from -55°C to +135°C.
#SH290 Heat Shrinkable Irradiated Semi-Rigid Polyolefin Tubing (2:1, MIL-I-23053/6)
Price (Each): Call for Pricing
#SH290 Heat Shrinkable Irradiated Semi-Rigid Polyolefin Tubing (2:1, MIL-I-23053/6)
This series is designed for maximum mechanical strength at stress or points of connection. It is strong, abrasion resistant and is supplied in expanded sizes. It insulates, jackets, splices, connectors, cables & irregular shaped objects.
#SH321 3:1 SHRINKABLE POLYOLEFIN TUBING
Price (Each): Call for Pricing
#SH321 3:1 SHRINKABLE POLYOLEFIN TUBING
DAFLEX SH321 Heat Shrinkable Polyolefin Tubing recovers to 33% of its supplied size. It will shrink, with the application of only 90°C (194°F); it is rated for continuous operation from -55°C to +135°C and will withstand up to 200°C for short durations.
#SH350 DAFLEX Heat Shrinkable Irradiated Kynar® Tubing AMS-DTL-23053/8
Price (Each):
#SH350 DAFLEX Heat Shrinkable Irradiated Kynar® Tubing AMS-DTL-23053/8
DAFLEX KYNAR, a semi-rigid shrinkable polyvinylidene fluoride tubing, is free from flaws, pin holes, seams, cracks or inclusions. It is a tough, high temperature, thin wall tubing with high cut through & abrasion resistance. It shrinks 50% in diameter.
#SH400 Heat Shrinkable FEP Tubing (MIL-I-23053/11, AMS-DTL-23053/11)
Price (Each):
#SH400 Heat Shrinkable FEP Tubing (MIL-I-23053/11, AMS-DTL-23053/11)
Made of modified extruded FEP, the SH400 series will shrink over inserted objects upon exposure to moderate heat. Heretofore, many joints, parts components, devices could not be protected because of high temperature required for shrinkage.
#SH421 DAFLON 4:1 Shrinkable PTFE Tubing (MIL-I-23053/12, AMS-DTL-23053/12)
Price (Each):
#SH421 DAFLON 4:1 Shrinkable PTFE Tubing (MIL-I-23053/12, AMS-DTL-23053/12)
DAFLON SH421 Shrinkable PTFE Tubing recovers to approximately 25% of its expanded size when heated to the gel point (621°F). It is now possible to use shrinkable PTFE tubing over objects which require more than the standard 2:1 shrink down ratio.
#SH620 Shrinkable Ultra-Thin Wall PTFE Tubing
Price (Each):
#SH620 Shrinkable Ultra-Thin Wall PTFE Tubing
This series of Daflon Heat Shrinkable ultra thin wall PTFE offers a range of sizes with ultra-thin walls and a range of shrink ratios. It shrinks at 327°C/621° F.
#SH621 DAFLON Shrink PTFE Tubing (MIL-I-23053/12, CLASS 3, AMS-DTL-23053/12)
Price (Each):
#SH621 DAFLON Shrink PTFE Tubing (MIL-I-23053/12, CLASS 3, AMS-DTL-23053/12)
Made of modified extruded PTFE (polytetraflourethylene) it will shrink when heated to 621°F (327°C). Suitable where hi-temp protection is required. Color: Natural/Clear.
#SH622 DAFLON Shrink Lightweight Wall PTFE Tubing (MIL-I-23053/12, CLASS 4, AMS-DTL-23053/12)
Price (Each):
#SH622 DAFLON Shrink Lightweight Wall PTFE Tubing  (MIL-I-23053/12, CLASS 4, AMS-DTL-23053/12)
Made of modified extruded PTFE (polytetraflourethylene) it will shrink when heated to 621°F (327°C). Suitable where hi-temp protection is required. Color: Natural/Clear.
#SM270 Daflex Shrink/Melt Irradiated Polyolefin Tubing (Shrink Ratio 3:1, MIL-I-23053/4 Class 3†† - UL 105°C)
Price (Each):
#SM270 Daflex Shrink/Melt Irradiated Polyolefin Tubing (Shrink Ratio 3:1, MIL-I-23053/4 Class 3†† - UL 105°C)
Daburn's dual wall polyolefin heat shrinkable tubing is designed to provide a tight moisture proof encapsulating seal. When 120°C/238°F is applied, the inner wall melts & flows, as the outer wall shrinks; forcing the melting wall to fill voids & interstic
#ST250 Daflex Stretch-N-Seal Rubber Non-Heat Shrink Tape
Price (Each):
#ST250 Daflex Stretch-N-Seal Rubber Non-Heat Shrink Tape
DAFLEX ST250 cold shrinking Stretch-N-Seal tape requires no heat to provide a secure covering where the size and or shape of an object does not permit the use of shrinkable tubing.
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