Part # Shrink Ratio  Material  Min Supplied ID  Max Recovered ID  Nom Recovered Wall  Temperature  Ratings 
FIT-FLEX-6 1.7:1  IRR Silicone Rubber  0.394  0.244  0.055  -50 to 200  CA Prop 65, REACH Regulation, RoHS, UL 224, UL VW-1 
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1) Tubing Type Heat Shrinkable Tubing
2) Tubing Material Irradiated Silicone Rubber
3) Minimum Supplied ID(In) 0.394
4) Maximum Recovered ID (In) 0.244
5) Nominal Recovered Wall Thickness(In) 0.055
6) Color(s) SLATE
1) UL VW-1 
 Standard 224 200°C / 600 VRMS
1) EU Directive 2011/65/EU(RoHS2):
 All materials used in the manufacture of this part are in compliance with European Directive 2011/65/EU regarding the restriction of use of certain hazardous substances in electrical and electronic equipment.
2) REACH Regulation (EC 1907/2006):
 This product does not contain Substances of Very High Concern (SVHC) listed on the European Union's REACH candidate list in excess of 0.1% mass of the item.
3) California Proposition 65:The outer surface materials used in the manufacture of this part meet the requirements of California Proposition 65.
Physical & Mechanical Properties
1) Temperature Range -50 to 200°C  
2) Shrink Ratio Approximately 1.7:1  
3) Full Recovery Temperature 135°C  
4) Tensile Strength 870psi, Min ASTM D638
5) Elongation 350%, Min ASTM D638
6) Longitudinal Change -15% AMS-DTL-23053
7) Specific Gravity 1.20, Max ASTM D792
8) Shelf Life  5 Years @ 18 to 35°C  
Electrical Properties
1) Dielectric Strength 200 V/mil, Min ASTM D876
2) Volume Resistivity 1x10 12 ohm-cm, Min ASTM D876
3) Dielectric Constant 3.2 IEC 250
Chemical Properties
1) Water Absorption 1.00%, Max ASTM D570
2) Fungus Resistance Pass AMS-DTL-23053
3) Halogen Free No  
4) Lead Free Yes  
100 FT, 25 FT

Our FIT heat-shrink tubing offers a reliable way to protect and seal terminations or add additional mechanical ruggedness. FIT preferred heatshrink products are made from premium compounds under the tightest manufacturing controls. This means FIT will consistently have excellent physical characteristics such as low longitudinal shrinkage and wide temperature ranges while providing an elegant appearance when used alone or on OEM equipment.

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