DWP-125
Flexible, flame-retardant, adhesive-lined,
polyolefin heat-shrinkable tubing
Adhesive-lined, medium-wall industries such as appliance and As DWP-125 shrinks, the inner
DWP-125 heat-shrinkable tubing is satellite communication. DWP-125 adhesive liner melts and flows to
a versatile, environmentally friendly tubing has an outer jacket of seal and encapsulate components
choice for many commercial radiation-crosslinked, flexible, or splices contained within.
applications that require mechanical flame-retardant polyolefin. Because DWP-125 has a three-to-
protection and sealing against Unlike other typical flame-retardant one shrink ratio, only a few sizes
moisture and chemical ingress. tubings, DWP-125 tubing is free of are needed to cover a wide range of
polybrominated biphenyls (PBBs) substrate diameters, enhancing
Typical applications include and polybrominated biphenyl oxides inventory efficiency. DWP-125 is
environmental sealing and protection (PBBOs). In Europe, these chemicals UL-recognized and CSA-certified at
of irregular shapes, such as wire are classified as environmentally 125C, 600 V.
splices and break-outs, in demanding hazardous substances.
Temperature rating
Full recovery temperature: 125C
Continuous operating temperature: 40C to 110C
Specifications*
Type Raychem UL CSA
DWP-125 DWP-125 SCD E35586 LR31929
*When ordering, always specify latest issue.
Dimensions (millimeters/inches)
W W1 d
Expanded as supplied
Fully recovered after heating
D
Inside diameter (including core) Recovered wall thickness**
D (min.) d (max.) W W1
Expanded Recovered after Nominal Nominal
Size as supplied heating total wall adhesive wall
1/8 3.2 0.125 1.0 0.040 1.0 0.040 0.25 0.010
3/16 4.8 0.187 1.5 0.060 1.40 0.055 0.51 0.020
1/4 6.4 0.250 2.0 0.080 1.45 0.057 0.56 0.022
3/8 9.5 0.375 3.0 0.120 1.65 0.065 0.68 0.027
1/2 12.7 0.500 4.0 0.157 1.78 0.070 0.76 0.030
3/4 19.0 0.750 6.0 0.230 2.03 0.080 0.76 0.030
1 25.4 1.000 8.0 0.320 2.50 0.100 0.76 0.030
1 1/2 38.1 1.500 13.0 0.530 2.50 0.100 0.76 0.030
2 50.8 2.000 20.0 0.800 2.50 0.100 0.76 0.030
**Wall thickness will be less if tubing recovery is restricted during shrinkage.
Ordering information
Colors Standard Black
Nonstandard Red, yellow, blue, green, and white; other colors available on request.
Size selection Always order the largest size that will shrink snugly over the component being covered.
Standard packaging 4-foot lengths
Ordering description Specify product name, size, and color; for example, DWP-125 1/4-0 (0=Black).Specification values
Property Unit Requirement Method of test
PhysicalDimensions mm (inches) See reverse ASTM D 2671
Longitudinal change percent +0, 10 ASTM D 2671
Tensile strength psi (MPa) 1500 (10.3)minimum ASTM D 2671
Ultimate elongation percent 200 minimum ASTM D 2671
4
(103) maximum ASTM D 2671
Secant modulus psi (MPa) 1.5 x 10
(as supplied)
Low-temperature flexibility No cracking UL 224
(1 hour at 30C/22F)
Heat shock No cracking ASTM D 2671
(4 hours at 250C/482F)
Heat aging ASTM D 2671
(7 days at 158C/316F)
Followed by tests for:
Tensile strength percent 70% minimum of original UL 224
Ultimate elongation percent 100 minimum UL 224
Flexibility No cracking UL 224
Dielectric withstand seconds 60 minimum ASTM D 2671
at 2500 V
Dielectric breakdown volts 50% minimum of unaged specimens ASTM D 2671
Dielectric strength volts/mil (kV/mm) 500 (19.7)minimum ASTM D 2671
Restricted shrinkage Pass UL 224
Electrical Dielectric withstand seconds 60 minimum ASTM D 2671
at 2500 V
Dielectric strength volts/mil (kV/mm) 500 (19.7)minimum ASTM D 2671
14
Volume resistivity ohm-cm 10minimum ASTM D 2671
Chemical Corrosive effect No corrosion ASTM D 2671
(7 days at 158C/316F) Procedure B
Copper stability No brittleness, glazing, ASTM D 2671
(7 days at 158C/316F) cracking, or severe Procedure B
discoloration of tubing.
No pitting or blackening of copper.
Followed by test for:
Ultimate elongation percent 100 minimum ASTM D 2671
Flammability Pass UL 224, all tubing
Note: Except for dimensions, longitudinal change, and flammability, specification values apply to outer jacket only.
Raychem is a trademark of Tyco Electronics Corporation.
Users should independently evaluate the suitability of the product for their application.
Tyco Electronics Corporation
300 Constitution Drive Faraday Road 3816 Noborito, Tama-ku Asia Pacific Headquarters
Menlo Park, CA 94025-1164 Dorcan, Swindon, SN3 5HH Kawasaki, Kanagawa 214-8533 26 Ang Mo Kio, Industrial Park 2
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Tel:(800) 926-2425 (US & Canada) Tel: +44 1793 528171 Tel: +81 44 900 5102 Tel: +65 4866 151
Tel:+1 (650) 361-3860 (All other countries)
All information, including illustrations, is believed to be reliable. Users, however, should independently evaluate the suitability of each product for their application. Tyco Electronics Corporation makes
no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use. Tyco Electronics Corporations only obligations are those in the Standard Terms and
Conditions of Sale for these products and in no case will Tyco Electronics Corporation be liable for any incidental, indirect, or consequential damages arising from the sale, resale, use, or misuse of the
product. Tyco Electronics Corporations Specifications are subject to change without notice. In addition, Tyco Electronics Corporation reserves the right to make changes in materials or processing
without notification to the Buyer which do not affect compliance with any applicable specification.
For more information about this product visit www.tycoelectronics.com
1995, 2002 Tyco Electronics Corporation Printed in USA 1654053 6/02