RT-375
Very clear, thin-wall, flexible,
fluoropolymer heat-shrinkable tubing
RT-375 is a highly flame-resistant, A very thin wall gives RT-375 while permitting full inspectability of
heat-shrinkable, thin-wall tubing excellent flexibility. the item covered; and protection of
that has excellent clarity. It is electronic components without losing
manufactured from a modified Applications include protection of the ability to identify the part.
fluoropolymer whose properties wire and cable markers subject to
include toughness, chemical abuse; bundling and jacketing of RT-375 is UL-recognized and
resistance, and high-temperature wires and cables to protect them CSA-certified at 150C, 600 V,
performance. from mechanical and chemical abuse with a VW-1 flame-retardancy rating.
Temperature rating
Full recovery temperature: 150C
Continuous operating temperature: 55C to 150C
Recommended maximum temperature for use as a primary insulator: 135C
Specifications*
Type Raychem Military UL CSA
RT-375 RT-375 AMS-DTL-23053/18, Class 2 E85381 VW-1 LR31929 VW-1
*When ordering, always specify latest issue.
Dimensions (millimeters/inches)
W
Expanded as supplied
Fully recovered after heating
D d
Inside diameter Wall thickness
D (min.) d (max.) W
Expanded Recovered Recovered
Size as supplied after heating after heating**
3/64 1.2 0.046 0.6 0.023 0.25 0.05 0.010 0.002
1/16 1.6 0.063 0.8 0.031 0.25 0.05 0.010 0.002
3/32 2.4 0.093 1.2 0.046 0.25 0.05 0.010 0.002
1/8 3.2 0.125 1.6 0.062 0.25 0.05 0.010 0.002
3/16 4.8 0.187 2.4 0.093 0.25 0.05 0.010 0.002
1/4 6.4 0.250 3.2 0.125 0.30 0.08 0.012 0.003
3/8 9.5 0.375 4.8 0.187 0.30 0.08 0.012 0.003
1/2 12.7 0.500 6.4 0.250 0.30 0.08 0.012 0.003
3/4 19.1 0.750 9.5 0.375 0.43 0.08 0.017 0.003
1 25.4 1.000 12.7 0.500 0.48 0.08 0.019 0.003
**Wall thickness will be less if tubing recovery is restricted during shrinkage.
Ordering information
Color Clear
Size selection Always order the largest size that will shrink snugly over the component being covered.
Special sizes may be made available upon request.
Standard packaging On spools
Ordering description Specify product name, size, and color; for example, RT-375 1/4-X (X=Clear).Specification values
Property Unit Requirement Method of test
PhysicalDimensions mm (inches) See reverse ASTM D 2671
Longitudinal change percent +0, 10 maximum ASTM D 2671
Tensile strength psi (MPa) 3500 (24.1) minimum ASTM D 2671
Ultimate elongation percent 300 minimum ASTM D 2671
Concentricity (expanded) percent 70 minimum AMS-DTL-23053
4
Secant modulus (expanded) psi (MPa) 2.5 x 10 (172) minimum ASTM D 2671
Specific gravity 1.90 maximum ASTM D 2671
Low-temperature flexibility No cracking AMS-DTL-23053
(4 hours at 55C/67F)
Heat shock No dripping, flowing, ASTM D 2671
(4 hours at 250C/482F) or cracking
Heat resistance ASTM D 2671
(336 hours at 225C/437F)
Followed by test for:
Ultimate elongation percent 100 minimum ASTM D 2671
Clarity stability Marking legible through AMS-DTL-23053
(24 hours at 200C/392F) tubing wall
Electrical Dielectric strength volts/mil (volt/mm) 400 (15.760) minimum ASTM D 2671
11
Volume resistivity ohm-cm 10 minimum ASTM D 2671
Chemical Copper mirror corrosion Noncorrosive ASTM D 2671
(16 hours at 160C/320F) Procedure A
Copper contact corrosion No pitting or blackening ASTM D 2671
(16 hours at 160C/320F) of copper Procedure B
Flammability Self-extinguishing within ASTM D 2671
1 minute, 25% maximum Procedure C
flag burn
Fungus resistance ISO 846
Followed by tests for: Method B
Tensile strength psi (MPa) 3500 (24.1) minimum ASTM D 2671
Ultimate elongation percent 300 minimum ASTM D 2671
Dielectric strength volts/mil (volts/mm) 400 (15,760) minimum ASTM D 2671
Water absorption percent 0.5 maximum ASTM D 2671
(24 hours at 23C/73F)
Fluid resistance ASTM D 2671
(24 hours at 50C/122F) 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 psi (MPa) 2000 (13.8) minimum ASTM D 2671
Ultimate elongation percent 250 ASTM D 2671
Dielectric strength volts/mil (volts/mm) 400 (15,760) minimum 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 Faraday Road 3816 Noborito, Tama-ku Asia Pacific Headquarters
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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
1994, 2002 Tyco Electronics Corporation Printed in USA 1654070 Revised 04/04