Part # Shrink Ratio  Material  Min Supplied ID  Max Recovered ID  Nom Recovered Wall  Temperature  Ratings 
FIT-600-3/8 2:1  Chlorinated PO  0.375  0.211  0.04  -75 to 120  AMS DTL-23053/1 CL 1 and 2, CA Prop 65, RoHS 
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1) Tubing Type Heat Shrinkable Tubing
2) Tubing Material Chlorinated Polyolefin
3) Minimum Supplied ID(In) 0.375
4) Maximum Recovered ID (In) 0.211
5) Nominal Recovered Wall Thickness(In) 0.040
6) Color(s) BLACK
1) Other AMS-DTL-23053/1 Class 1 and 2 
 Flammability - Passes 
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 -75 to 121°C 
2) Shrink Ratio Approximately 2:1 
3) Full Recovery Temperature 130°C 
4) Minimum Shrink Temperature 130°C 
5) Tensile Strength 1500psi, Min ASTM D638
6) Elongation 250%, Min ASTM D638
7) Low Temperature Flex(-75°C) no cracking AMS-DTL-23053
8) Heat Resistance(150°C,168hrs) 200% Elongation, Min ASTM D638
9) Heat Shock(200°C,4hrs) no cracking AMS-DTL-23053
10) Longitudinal Change +1%/-10% AMS-DTL-23053
11) Specific Gravity 1.30, Max ASTM D792
12) Shelf Life 1 Years @ 18 to 35°C 
Electrical Properties
1) Dielectric Strength 300 V/mil, Min ASTM D876
2) Volume Resistivity 1x10 11 ohm-cm, Min ASTM D876
Chemical Properties
1) Water Absorption 1.00%, Max ASTM D570
2) Corrosion(150°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 
150 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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