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Our heat shrinkable marker sleeve is your go-to for permanent wire and cable identification. Crafted from radiation cross-linked polyolefin, it promises superior durability and flame resistance. Ideal for use in mil, defense, aerospace, marine, and more, our standard AMS-M meets AMS-DTL-23053/5 Class 1&3, SAE-AS 81531, MIL-STD-202F/Method 215J, UL224, and RoHS standards.
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Property
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Requirement
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Test method
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Typical data
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Longitudinal shrinkage
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≤10%
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ASTM D 2671
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≤5%
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Tensile strength
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10.4 MPa min.
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ASTM D 638
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≥12MPa
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Elongation at break
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200% min.
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ASTM D 638
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≥300%
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Elongation after ageing (158ºC 168hrs)
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100% min.
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ASTM D 638
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≥ 200%
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Heat shock
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No crack
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ASTM D 2671
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No crack
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Low-temperature
flexibility(-55ºC,4hrs)
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No crack
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ASTM D 2671
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No crack
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Dielectric voltage
withstand
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2500V,60sec, no
breakdown
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ASTM D 2671
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No breakdown
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Dielectric strength
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19.7 KV/mm min.
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ASTM D 2671
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≥ 20 KV/mm
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Volume resistivity
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1014Ω·cm min.
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ASTM D 876
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≥1014Ω·cm
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Corrosion
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No corrosion
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ASTM D 2671
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No corrosion
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Flammability
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Self-extinguishing
within 1 minute
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AMS-DTL-23053
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pass
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Printing performance
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50 rubs, legible
30 strokes, legible
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SAE AS81531
MIL-STD-202
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pass
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Fluids resistance
(23ºC ,24hrs)
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Printing legible
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SAE AS81531
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pass
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Size
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(mm)As supplied
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(mm)After recovered
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inch
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Mm
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(min.)Inside diameter
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(max.)Inside diameter
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3:1
|
|||
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3/32
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Ф2.4
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2.4
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0.8
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1/8
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Ф3.2
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3.2
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1.1
|
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3/32
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Ф2.4
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2.4
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0.8
|
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3/16
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Ф4.8
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4.8
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1.6
|
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1/4
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Ф6.4
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6.4
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2.1
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3/8
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Ф9.5
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9.5
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3.2
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1/2
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Ф12.7
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12.7
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4.2
|
|
3/4
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Ф19.1
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19.1
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6.3
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|
1
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Ф25.4
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25.4
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8.5
|
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1 1/2
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Ф38.1
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38.1
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13.5
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2
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Ф50.8
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50.8
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17.5
|
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2:1
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|||
|
3/32
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Ф2.4
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2.4
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1.2
|
|
1/8
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Ф3.2
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3.2
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1.6
|
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3/16
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Ф4.8
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4.8
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2.4
|
|
1/4
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Ф6.4
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6.4
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3.2
|
|
3/8
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Ф9.5
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9.5
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4.8
|
|
1/2
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Ф12.7
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12.7
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6.4
|
|
3/4
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Ф19.1
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19.1
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9.5
|
|
1
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Ф25.4
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25.4
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12.7
|
|
1 1/2
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Ф38.1
|
38.1
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19.1
|
|
2
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Ф50.8
|
50.8
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25.4
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With nearly two decades of expertise, Shanghai Wellco International Limited leads in developing, producing, and selling specialty heat shrink tubes and radiation crosslinked materials. We deliver exceptional products and solutions for insulation, connection, waterproofing, high temperature, chemical resistance, EMI, and mechanical protection for wires and cables.
Powered by advanced technology and cutting-edge equipment, our selection includes a wide variety of heat shrink and insulation tubes made from modified PE, PVDF, FEP, EPDM, Silicone, FKM, and PTFE. Our products are extensively used across industries like electronic communication, automotive, high-speed rail, electric motors, aviation, and medical sectors, offering reliable insulation, water-proofing, electrostatic shielding, oil, chemical resistance, and high-temperature protection. Certified to meet UL, RoHS, and REACH standards.
We excel in creating tailored solutions and products with unique specifications to meet any customer's requirements. Our manufacturing complies with ISO9001 and IATF16949 quality management standards, guaranteeing the quality and consistency you deserve.
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