RT-375
Very clear, thin-wall, flexible,
fluoropolymer heat-shrinkable tubing
RT-375 is a highly flame-resistant,
heat-shrinkable, thin-wall tubing
that has excellent clarity. It is
manufactured from a modified
fluoropolymer whose properties
include toughness, chemical
resistance, and high-temperature
performance.
A very thin wall gives RT-375
excellent flexibility.
Applications include protection of
wire and cable markers subject to
abuse; bundling and jacketing of
wires and cables to protect them
from mechanical and chemical abuse
while permitting full inspectability of
the item covered; and protection of
electronic components without losing
the ability to identify the part.
RT-375 is UL-recognized and
CSA-certified at 150°C, 600 V,
with a VW-1 flame-retardancy rating.
Temperature rating
Full recovery temperature:
150°C
Continuous operating temperature:
–55°C to 150°C
Recommended maximum temperature for use as a primary insulator: 135°C
Specifications*
®
Type
RT-375
Raychem
RT-375
Military
AMS-DTL-23053/18, Class 2
UL
E85381 VW-1
CSA
LR31929 VW-1
*When ordering, always specify latest issue.
Dimensions (millimeters/inches)
W
Expanded as supplied
D
Fully recovered after heating
d
Inside diameter
D (min.)
Expanded
Size
3/64
1/16
3/32
1/8
3/16
1/4
3/8
1/2
3/4
1
as supplied
1.2
0.046
1.6
0.063
2.4
3.2
4.8
6.4
9.5
12.7
19.1
25.4
0.093
0.125
0.187
0.250
0.375
0.500
0.750
1.000
d (max.)
Recovered
after heating
0.6
0.023
0.8
0.031
1.2
1.6
2.4
3.2
4.8
6.4
9.5
12.7
0.046
0.062
0.093
0.125
0.187
0.250
0.375
0.500
Wall thickness
W
Recovered
after heating**
0.25 ± 0.05
0.010 ± 0.002
0.25 ± 0.05
0.010 ± 0.002
0.25 ± 0.05
0.25 ± 0.05
0.25 ± 0.05
0.30 ± 0.08
0.30 ± 0.08
0.30 ± 0.08
0.43 ± 0.08
0.48 ± 0.08
0.010 ± 0.002
0.010 ± 0.002
0.010 ± 0.002
0.012 ± 0.003
0.012 ± 0.003
0.012 ± 0.003
0.017 ± 0.003
0.019 ± 0.003
**Wall thickness will be less if tubing recovery is restricted during shrinkage.
Ordering information
Color
Size selection
Standard packaging
Ordering description
Clear
Always order the largest size that will shrink snugly over the component being covered.
Special sizes may be made available upon request.
On spools
Specify product name, size, and color; for example, RT-375 1/4-X (X=Clear).
Specification values
Property
Dimensions
Longitudinal change
Tensile strength
Ultimate elongation
Concentricity (expanded)
Secant modulus (expanded)
Specific gravity
Low-temperature flexibility
(4 hours at –55°C/–67°F)
Heat shock
(4 hours at 250°C/482°F)
Heat resistance
(336 hours at 225°C/437°F)
Followed by test for:
Ultimate elongation
Clarity stability
(24 hours at 200°C/392°F)
Dielectric strength
Volume resistivity
Copper mirror corrosion
(16 hours at 160°C/320°F)
Copper contact corrosion
(16 hours at 160°C/320°F)
Flammability
Unit
mm
(inches)
percent
psi
(MPa)
percent
percent
psi
(MPa)
Requirement
See reverse
+0, –10 maximum
3500
(24.1)
minimum
300 minimum
70 minimum
2.5 x 10
4
(172)
minimum
1.90 maximum
No cracking
No dripping, flowing,
or cracking
Method of test
ASTM D 2671
ASTM D 2671
ASTM D 2671
ASTM D 2671
AMS-DTL-23053
ASTM D 2671
ASTM D 2671
AMS-DTL-23053
ASTM D 2671
ASTM D 2671
Physical
percent
Electrical
Chemical
volts/mil
(volt/mm)
ohm-cm
100 minimum
Marking legible through
tubing wall
400
(15.760)
minimum
10
11
minimum
Noncorrosive
No pitting or blackening
of copper
Self-extinguishing within
1 minute, 25% maximum
flag burn
ASTM D 2671
AMS-DTL-23053
ASTM D 2671
ASTM D 2671
ASTM D 2671
Procedure A
ASTM D 2671
Procedure B
ASTM D 2671
Procedure C
ISO 846
Method B
ASTM D 2671
ASTM D 2671
ASTM D 2671
ASTM D 2671
ASTM D 2671
Note: Consult RT-375 for specific details about test procedures.
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
Menlo Park, CA 94025-1164
USA
Tel: (800) 926-2425 (US & Canada)
Tel: +1 (650) 361-3860 (All other countries)
Faraday Road
Dorcan, Swindon, SN3 5HH
United Kingdom
Tel: +44 1793 528171
3816 Noborito, Tama-ku
Kawasaki, Kanagawa 214-8533
Japan
Tel: +81 44 900 5102
Asia Pacific Headquarters
26 Ang Mo Kio, Industrial Park 2
Singapore 569507
Tel: +65 4866 151
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 Corporation’s 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 Corporation’s 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
© 1994, 2002 Tyco Electronics Corporation Printed in USA 1654070 Revised 04/04
Fungus resistance
Followed by tests for:
Tensile strength
Ultimate elongation
Dielectric strength
Water absorption
(24 hours at 23°C/73°F)
Fluid resistance
(24 hours at 50°C/122°F) in:
JP-8 fuel (MIL-T-5624)
Hydraulic fluid (MIL-H-5606)
Lubricating oil (MIL-L-23699)
Lubricating oil (MIL-L-7808)
5% NaCl, 0-S-1926
De-icing fluid (MIL-A-8243)
Water
Followed by tests for:
Tensile strength
Ultimate elongation
Dielectric strength
psi
(MPa)
percent
volts/mil
(volts/mm)
percent
3500
(24.1)
minimum
300 minimum
400
(15,760)
minimum
0.5 maximum
psi
(MPa)
percent
volts/mil
(volts/mm)
2000
(13.8)
minimum
250
400
(15,760)
minimum
ASTM D 2671
ASTM D 2671
ASTM D 2671
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