Part # Shrink Ratio  Material  Min Supplied ID  Max Recovered ID  Nom Recovered Wall  Temperature  Ratings 
ST-302-1/8 2:1    0.125  0.062  0.027  -55 to 110  AMS DTL-23053/4 Class 2, CA Prop 65, CSA 198, RoHS, UL 224, UL VW-1 
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1) Tubing Type Adhesive Lined Heat Shrinkable Tubing
2) Tubing Material Irradiated Polyolefin w/ Adhesive
3) Minimum Supplied ID(In) 0.125
4) Maximum Recovered ID(In) 0.062
5) Minimum Recovered Adhesive Wall Thickness(In) 0.026
6) Color(s) BLACK
1) UL Standard 224 125°C / 600 VRMS
 All Tubing Flame Test 
2) CSA International Standard 198 
3) Other AMS-DTL-23053/4, Class 2 
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 -55 to 110°C 
2) Shrink Ratio Approximately 2:1 
3) Minimum Shrink Temperature 110°C 
4) Tensile Strength 1500psi, Min ASTM D638
5) Elongation 200%, Min ASTM D638
6) Cold Impact(-55°C) no cracking ASTM D746
7) Heat Shock(250°C,4hrs) no cracking AMS-DTL-23053
8) Longitudinal Change +1%/5% AMS-DTL-23053
9) Shelf Life 3 Years @ 18 to 35°C 
Electrical Properties
1) Dielectric Strength 500 V/mil, Min ASTM D876
2) Volume Resistivity 1x10 12 ohm-cm, Min ASTM D876
Chemical Properties
1) Water Absorption 0.50%, Max ASTM D570
2) Corrosion(0°C,16hrs) no corrosion AMS-DTL-23053
3) Fluid Resistance(23°C,24 Hrs) 1000 PSI, Min AMS-DTL-23053
4) Fungus Resistance Pass AMS-DTL-23053
5) Halogen Free No 
6) Lead Free Yes 
Packaging
25X4 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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