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3M™ Heat Shrink Tubing EPS-300
Adhesive-Lined, 3:1, Flexible, Polyolefin
Data Sheet August 2011
Description
3M™ Heat Shrink Tubing EPS-300 is a 3:1 thin-wall, flexible tubing offering the
advantages of integral, adhesive-lined construction. The tubing is made from flame-
retardant, flexible polyolefin with an internal layer of special thermoplastic adhesi ve.
The heat-shrinkable oute r wall is selectively cross-linked, while maintaining the high
flow and excellent adhesio n of the inner sealant liner.
When heated in excess of 121ºC (250ºF), EPS-300 tubing rapidly shrinks to a
skintight fit, forcing the melted adhesive lining to flow and cover the substrate. The
adhesive forms a flexible bond with a wide variety of rubbers, plastics and metals.
Upon cooling, the adhesive solidifies, forming a permanent, non-drying, flexible and
water resistant barrier. Adhesive reflow will occur at temperatures above 80ºC
(176ºF).
Agency Approvals &
Self Certifications
• UL Recognized (all colors except clear), UL File E-157227 at 600 Volts and
125ºC maximum
• CSA Recognized, CSA File LR38227
Applications
EPS-300 tubing offers excellent environmental protection for electronic components,
wire splices, wire bundles and harness breakouts. Automotive, truck and marine
wiring splices and harne ss breakouts are quickly and easily protected from harsh
environments.
Shrink Ratio
EPS-300 tubing has a 3:1 shrink ratio. When freely recovered, the tubing will shrink
33% of its as-supplied diameter. The recovered wall thickness of the tubing is
proportional to the degree of recovery.
The operating temperature range is from -55º C (-67ºF) to 110ºC (230ºF), with a
shrinking temperatu re minimum of 121ºC (250ºF).
3M™ Heat Shrink Tubing EPS-300
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Typical Proper t ies
Not for specifications. Values are typical, not to be considered minimum or maxi mum.
Properties measured at room temperature 73°F (23° C) unless otherwise stated.
Physical Property Typical Value
US units (metric)
Tensile Strength 2100 PSI
Ultimate Elongation 450%
Longitudinal Cha nge +1, -15%
Secant Modulus (2%) 17,000 PSI
Specific Gravity 1.3
Heat Aging (outer wall only)
168 hrs @ 175ºC
Elongation 175%
Heat shock (outer wall only)
4 hrs @ 225 ºC No dripping, flowing,
cracking
Low Temperature Flexibility (outer wall only)
4 hrs @ -55 ºC
No cracking
Flammability Self-extinguishing, meets
UL224 All-Tubing F lame
Test (jacket)
Electrical Property (Test Method) Typical Value
US units (metric)
Dielectric Strength 700 V/mil
Volume Resistivity 1014 ohm/cm
Chemical Property (Test Method) Typical Value
US units (metric)
Corrosion Resistance (Copper mirror) Non-corrosive
Fungus Resistance Non-nutrient
Water Absorption 0.3%
Fluid Resistance Excellent
Adhesive Typical Value
Peel Strength, pli
Polyethylene
PVC
Lead
Aluminum
30
10
15
40
Corrosive Effect (Copper m irror) Non-corrosive
3M™ Heat Shrink Tubing EPS-300
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3M is a trademark of 3M Company.
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Standard Sizes and
Dimensions
Ordering
Size
(Nominal)
Expanded I.D.
(Minimum)
In. (mm)
Recovered I.D.
(Maximum
In. (mm)
Total Recovered
Wall Thickness
(Nominal)
In. (mm)
Meltable
Recovered Wall
Thickness
In. (mm)
1/8 .125 (3,18) .040 (1,02) .040 (1,02) .020 (0,51)
3/16 .187 (4,75) .062 (1,57) .040 (1,02) .020 (0,51)
1/4 .250 (6,35 .080 (2,03) .040 (1,02) .020 (0,51)
3/8 .375 (9,53) .120 (3,05) .055 (1,40) .025 (0,62)
1/2 .500 (12,70) .160 (4,06) .070 (1,78) .030 (0,76)
3/4 .750 (19,05) .250 (6,35) .085 (2,16) .035 (0,89)
1 1.000 (25,40) .320 (8,13) .100 (2,54) .040 (1,02)
1-1/2 1,500 (38,10) .510 (12,95) .100 (2,54) .040 (1,02)
Standard Colors
Black, Red
Also available in Clear, White and Yellow. Price, MOQ and Le ad Time will vary
for these colors. Please contact Local Sales Representative or Customer
Service Representative for more information.
NOTE: The clear tubing is not flame retardant or UL listed.
Shelf Life & Storage
3M™ Heat Shrink Tubing EPS-300 has a 10-year shelf life from date of
manufacture when stored in a humidity controlled storage (10°C/50°F to 27°C/80°F
and <75% relative humidity).
Availability
Standard Packaging
Four-foot lengths. Cut pieces and other lengths, including spooled, are available
subject to factory quotation.
Please contact your local distributor; av ailable from 3M.com/oem [Where to Buy] or
call 1.800.676.8381.
Important Notice
All statements, technical information, and rec ommendations related to 3M’s products are bas ed on information believed
to be reliable, but the accuracy or completeness is not guar anteed. Before using this product, you must evaluate it and
determine if it is suitable for your intended application. You assume all risks and liability associated with such use. Any
statements related to the product, whic h are not contained in 3M’s current publications, or any contrary statements
contained on your purchase order, shall have no force or effect unless expr e ssly agreed upon, in writing, by an
authorized officer of 3M.
Warranty; Limited
Remedy; Limited
Liability
This product will be free from defects in material and manufacture at the time of purchase. 3M MAKES NO OTHER
WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLI ED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, you r
exclusive remedy shall be, at 3M’s option, to replace or r epair the 3M product or refund the purchase price of the 3M
product. Except where prohibited by la w, 3M will not be liable for any indirect, special, incidental or consequential loss
or damage arising from this 3M product, regardless of the legal th eory asserted.
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800 676.8381
FAX: 800 828.9329
www.3M.com/oem
Please recycle
© 3M 2011 All rights reserved
78-8129-9330-7 B
