RAYCHEM SWFR X4 Very-thin-wall, highly flame-retardant, zero halogen, metric-sized heat-shrinkable tubing SWFR X4 heat-shrinkable tubing is SWFR X4 tubing is typically applied Unlike other typical flame-retardant a cost-effective, environmentally where space savings is important, tubings, SWFR X4 tubing is halogen friendly choice for many commercial offering the ability to pack components free. more closely than is possible with applications. SWFR X4 tubing is a very-thin-wall version of SWFR, standard tubings. SWFR X4 tubing SWFR X4 products are UL-recognized a specially formulated polyolefin with can shrink more than twice as fast as at 125C, 300 V, and CSA-certified at standard products. This rapid low recovery temperature, excellent 125C, 300 V, with UL VW-1 and CSA flexibility, and high flame-retardance shrinking may be important in the OFT flame-retardancy ratings. prevention of overheating of (VW-1). temperature-sensitive components. Temperature rating Minimum shrink temperature: 70C Full recovery temperature: 90C Continuous operating temperature: 30C to 125C Specifications* Type Raychem UL CSA SWFR X4 SWFR X4 E35586 LR31929 *When ordering, always specify latest issue. Dimensions (millimeters) Part as supplied Part fully recovered As supplied Fully recovered As supplied Fully recovered D W1 Wall d (max.) W (min.) D W1 Wall d (max.) W (min.) Inside thickness Inside Wall Inside thickness Inside Wall Size diameter (nominal) diameter thickness** Size diameter (nominal) diameter thickness** 0.6 0.95 0.25 0.1 0.3 0.25 4.0 0.25 0.15 2.0 0.28 0.8 1.2 0.25 0.1 0.4 0.25 6.0 6.5 0.4 0.15 3.0 0.33 1.0 0.25 0.1 0.5 0.25 8.0 8.5 0.4 0.15 4.0 0.33 1.5 0.25 0.1 0.75 0.25 9.0 9.5 0.4 0.15 4.5 0.33 2.0 0.25 0.1 1.0 0.26 10.0 10.5 0.5 0.15 5.0 0.33 2.5 0.25 0.15 1.25 0.28 12.0 12.9 0.5 0.15 6.0 0.33 18.0 19.2 0.6 0.2 9.0 0.46 3.0 0.25 0.15 1.5 0.28 25.0 26.4 1.0 0.2 12.5 0.46 3.5 0.25 0.15 1.75 0.28 **Wall thickness will be less if tubing recovery is restricted during shrinkage. Ordering information Standard Black Colors Size selection Always order the largest size that will shrink snugly over the component being covered. Standard packaging On spools Marked (standard types, except size 0.6 is not marked). UL, CSA, and -F- Mark on labels. Marking X4 2.0 Ordering descriptionSpecification values Property Unit Requirement Method of test Physical Dimensions mm See reverse ASTM D 2671 Longitudinal change ASTM D 2671 percent +1, 15 ASTM D 2671 UL 224 percent +3, 3 UL 224 Eccentricity (recovered) percent 30 maximum ASTM D 2671 Tensile strength MPa (psi) 10.3 (1500) minimum ASTM D 2671 Ultimate elongation percent 200 minimum ASTM D 2671 4 Secant modulus MPa (psi) 103 (1.5 x 10 ) maximum ASTM D 2671 (as supplied) Low-temperature flexibility No cracking UL 224 (1 hour at 30C/22F) Heat shock No cracking UL 224 (4 hours at 250C/482F) Heat aging UL 224 (7 days at 158C/316F) Followed by tests for: Tensile strength MPa (psi) 70% minimum UL 224 of unaged specimens 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 ASTM D 2671 of unaged specimens Dielectric strength kV/mm (volts/mil) 19.7 (500) minimum ASTM D 2671 Restricted shrinkage Pass UL 224 Electrical Dielectric withstand seconds 60 minimum ASTM D 2671 at 2500 V Dielectric strength kV/mm (volts/mil) 19.7 (500) minimum ASTM D 2671 14 Volume resistivity ohm-cm 10 minimum ASTM D 2671 Chemical Corrosive effect No corrosion ASTM D 2671 (7 days at 158C/316F) Copper stability No brittleness, glazing, ASTM D 2671 (7 days at 158C/316F) cracking, or severe 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, VW-1 Note: Consult UL224 for specic details about test procedures. Users should independently evaluate the suitability of the product for their application. te.com 2019 TE Connectivity Ltd. family of companies. All Rights Reserved. APL 3/2019 TE Connectivity, TE, TE connectivity (logo) and RAYCHEM are trademarks of the TE Connectivity Ltd. family of companies. Other logos, product and/or company names might be trademarks of their respective owners. While TE has made every reasonable e ort to ensure the accuracy of the information in this document, TE does not guarantee that it is error-free, nor does TE make any other representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein at any time without notice. TE EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES REGARDING THE INFORMATION CONTAINED HEREIN, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. In ne event will TE be liable for any direct, indirect, incidental, special or consequential damages arising from or related to recipients use of the information. It is the sole responsibility of the recipient of this information to verify the results of this information using their engineering and product environment. Recipient assumes any and all risks associated with the use of the information. The dimensions in this catalog are for reference purposes only and are subject to change without notice. All specications are subject to change without notice. Consult TE for the latest dimensions and design specications.