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 adhesive.
The heat-shrinkable outer wall is selectively cross-linked, while maintaining the high
flow and excellent adhesion 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 harness breakouts are quickly and easily protected from harsh
environments.
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 -55ºC (-67ºF) to 110ºC (230ºF), with a
shrinking temperature minimum of 121ºC (250ºF).
Shrink Ratio
1 of 3
3
3M™ Heat Shrink Tubing EPS-300
Not for specifications. Values are typical, not to be considered minimum or maximum.
Properties measured at room temperature 73°F (23°C) unless otherwise stated.
Physical Property
Tensile Strength
Ultimate Elongation
Longitudinal Change
Secant Modulus
(2%)
Specific Gravity
Heat Aging
(outer wall only)
168 hrs @ 175ºC
Heat shock
(outer wall only)
4 hrs @ 225 ºC
Low Temperature Flexibility
(outer wall only)
4 hrs @ -55 ºC
Flammability
Typical Value
US units (metric)
2100 PSI
450%
+1, -15%
17,000 PSI
1.3
Elongation 175%
No dripping, flowing,
cracking
No cracking
Self-extinguishing, meets
UL224 All-Tubing Flame
Test (jacket)
Typical Properties
Electrical Property (Test Method)
Dielectric Strength
Volume Resistivity
Typical Value
US units (metric)
700 V/mil
14
10 ohm/cm
Chemical Property (Test Method)
Corrosion Resistance
(Copper mirror)
Fungus Resistance
Water Absorption
Fluid Resistance
Typical Value
US units (metric)
Non-corrosive
Non-nutrient
0.3%
Excellent
Adhesive
Peel Strength, pli
Polyethylene
PVC
Lead
Aluminum
Corrosive Effect
(Copper mirror)
Typical Value
30
10
15
40
Non-corrosive
2 of 3
3M™ Heat Shrink Tubing EPS-300
Standard Sizes and
Dimensions
Ordering
Size
(Nominal)
1/8
3/16
1/4
3/8
1/2
3/4
1
1-1/2
Expanded I.D.
(Minimum)
In.
(mm)
.125
.187
.250
.375
.500
.750
1.000
1,500
(3,18)
(4,75)
(6,35
(9,53)
(12,70)
(19,05)
(25,40)
(38,10)
Recovered I.D.
(Maximum
In.
(mm)
.040
.062
.080
.120
.160
.250
.320
.510
(1,02)
(1,57)
(2,03)
(3,05)
(4,06)
(6,35)
(8,13)
(12,95)
Total Recovered
Wall Thickness
(Nominal)
In.
(mm)
.040
.040
.040
.055
.070
.085
.100
.100
(1,02)
(1,02)
(1,02)
(1,40)
(1,78)
(2,16)
(2,54)
(2,54)
Meltable
Recovered Wall
Thickness
In.
(mm)
.020
(0,51)
.020
(0,51)
.020
(0,51)
.025
.030
.035
.040
.040
(0,62)
(0,76)
(0,89)
(1,02)
(1,02)
Standard Colors
Black, Red
Also available in Clear, White and Yellow. Price, MOQ and Lead 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).
Standard Packaging
Four-foot lengths. Cut pieces and other lengths, including spooled, are available
subject to factory quotation.
Please contact your local distributor; available from 3M.com/oem [Where to Buy] or
call 1.800.676.8381.
Availability
Important Notice
All statements, technical information, and recommendations related to 3M’s products are based on information believed
to be reliable, but the accuracy or completeness is not guaranteed. 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, which are not contained in 3M’s current publications, or any contrary statements
contained on your purchase order, shall have no force or effect unless expressly agreed upon, in writing, by an
authorized officer of 3M.
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 IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your
exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M
product. Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential loss
or damage arising from this 3M product, regardless of the legal theory asserted.
Warranty; Limited
Remedy; Limited
Liability
3M is a trademark of 3M Company.
3
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800 676.8381
FAX: 800 828.9329
www.3M.com/oem
Please recycle
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