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      Your position is...: Home>Business>K-2 flame-retardant polyolefin tubing

      K-2 flame-retardant polyolefin tubing

      K-2 flame-retardant polyolefin tubing

      KOSOO K-2 is environment friendly, flexible, flame-retardant, irradiated crosslinking heat-shrinkable modified polyolefin tubing. Unlike other typical flame-retarant tubings, K-2 is free of PCBs, PCPs, polybrominated biphenyls (PBBs), polybrominated biphenyl oxides and ethers (PBBOs, PBBEs and PBDEs) and toxic heavy metal compounds, which are classified as environmentally hazardous substances. This high-reliability product is widely used for insulation or jacketing of wire harness, strain relief of wire terminations and connections, bundling of wire harness, protection of soldered points, insulation and capsule of electronic components, anti-corrosive protection, identification and color coding, etc
       

      • Features/Benefits

      ·Shrink ratio: 2:1.

      ·Very flexible, highly flame-retardant.

      ·Low shrink temperature.

      ·Good thermal stability.

      ·Excellent physical, chemical and electrical properties.

      ·Free of PCBs, PCPs, polybrominated biphenyls (PBBs), polybrominated biphenyl oxides and ethers (PBBOs, PBBEs and PBDEs) and toxic heavy metal compounds, which are classified as environmentally hazardous substances. Conform to European RoHS environmental directive.

      ·Wide range of sizes and colors.

      • Operating Temperature Range

      Operating temperature range: -55℃~125℃

      Minimum shrink temperature: 70℃

      Minimum full recovery temperature: 110℃

      • Standards/Approvals

      UL224 E214175 125℃ 600V VW-1

      AMS-DTL-23053/5 class 2 and class 3

      • Specification values

       

      Property

      Requirement

      Test method

      Typical data

      Physical:

      Concentricity

      70% min.

      ASTM D 2671

      ≥70%

       

      Tensile strength

      10.4MPa min.

      ASTM D 638

      ≥14.0MPa

       

      Elongation

      200% min.

      ASTM D 638

      ≥400%

       

      Heat shock

      250℃, 4hrs

      No cracking, dripping or flowing

      ASTM D 2671

      Pass

       

      Low temperature flexibility

      No cracking

      ASTM D 2671

      Pass

      Aging 158℃,168hrs

       

       

       

      Tensile strength after aging

      70% of original min.

      ASTM D 638

      ≥90%

      Elongation after aging

      100% min.

      ASTM D 638

      ≥300%

      Electrical:

      Dielectric voltage withstand

      2500V, 60sec

       no breakdown

      UL224

      Pass

        Dielectric strength

      19.7kV/mm min.

      ASTM D 2671

      25kV/mm

        Volume resistivity

      1014Ω·cm min.

      ASTM D 876

      ≥1014Ω·cm

      Chemical:

      Corrosion

      No corrosion

      ASTM D 2671

      Pass

       

        Flammability

      VW-1

      UL224

      Pass

       
      • Product sizes

        ·Inch size                                                               mm/inch

      Size

      Inside diameter

      Wall thickness

      Standard length

      (m/spool)

      As supplied(min.)

      After recovery(max.)

      After recovery

      3/64

      1.2(0.046)

      0.6(0.023)

      0.40±0.08(0.016±0.003)

      200

      1/16

      1.6(0.063)

      0.8(0.031)

      0.43±0.08(0.017±0.003)

      200

      3/32

      2.4(0.093)

      1.2(0.046)

      0.51±0.08(0.020±0.003)

      200

      1/8

      3.2(0.125)

      1.6(0.062)

      0.51±0.08(0.020±0.003)

      200

      3/16

      4.8(0.187)

      2.4(0.093)

      0.51±0.08(0.020±0.003)

      100

      1/4

      6.4(0.250)

      3.2(0.125)

      0.64±0.08(0.025±0.003)

      100

      3/8

      9.5(0.375)

      4.8(0.187)

      0.64±0.08(0.025±0.003)

      100

      1/2

      12.7(0.500)

      6.4(0.250)

      0.64±0.08(0.025±0.003)

      100

      3/4

      19.1(0.750)

      9.5(0.375)

      0.76±0.08(0.030±0.003)

      50

      1

      25.4(1.000)

      12.7(0.500)

      0.89±0.12(0.035±0.005)

      50

      1 1/4

      31.8(1.250)

      15.9(0.625)

      1.02±0.15(0.040±0.006)

      50

      1 1/2

      38.1(1.500)

      19.1(0.750)

      1.02±0.15(0.040±0.006)

      50

      2

      50.8(2.000)

      25.4(1.000)

      1.14±0.16(0.045±0.007)

      50

       

       

      ·Metric size

      Size(mm)

      As supplied(mm)

      After recovery (mm)

      Standard length  (m/spool)

      Inside diameter

      Wall thickness

      Inside diameter(max.)

      Wall thickness(min.)

      Φ0.8

      1.0±0.2

      0.15±0.05

      0.50

      0.25

      200

      Φ1.0

      1.5±0.3

      0.20±0.05

      0.60

      0.33

      200

      Φ1.5

      2.0±0.3

      0.20±0.05

      0.75

      0.36

      200

      Φ2.0

      2.5±0.3

      0.20±0.05

      1.00

      0.44

      200

      Φ2.5

      3.0±0.3

      0.25±0.05

      1.25

      0.44

      200

      Φ3.0

      3.5±0.3

      0.25±0.05

      1.50

      0.44

      200

      Φ3.5

      4.0±0.3

      0.25±0.05

      1.75

      0.44

      200

      Φ4.0

      4.5±0.3

      0.25±0.05

      2.00

      0.44

      200

      Φ4.5

      5.0±0.3

      0.25±0.05

      2.25

      0.44

      200

      Φ5.0

      5.5±0.3

      0.28±0.05

      2.50

      0.56

      100

      Φ6.0

      6.5±0.3

      0.28±0.05

      3.00

      0.56

      100

      Φ7.0

      7.6±0.3

      0.30±0.07

      3.50

      0.56

      100

      Φ8.0

      8.6±0.3

      0.30±0.07

      4.00

      0.56

      100

      Φ9.0

      9.6±0.3

      0.30±0.07

      4.50

      0.56

      100

      Φ10.0

      10.7±0.4

      0.30±0.07

      5.00

      0.56

      100

      Φ11.0

      11.7±0.4

      0.30±0.07

      5.50

      0.56

      100

      Φ12.0

      12.7±0.4

      0.30±0.07

      6.00

      0.56

      100

      Φ13.0

      13.7±0.4

      0.35±0.08

      6.50

      0.69

      100

      Φ14.0

      14.7±0.4

      0.35±0.08

      7.00

      0.69

      100

      Φ15.0

      15.7±0.5

      0.35±0.08

      7.50

      0.69

      100

      Φ16.0

      16.7±0.5

      0.35±0.08

      8.00

      0.69

      100

      Φ18.0

      19.0±0.5

      0.40±0.10

      9.00

      0.77

      100

      Φ20.0

      21.0±0.5

      0.40±0.10

      10.00

      0.77

      50

      Φ22.0

      23.0±0.5

      0.40±0.10

      11.00

      0.77

      50

      Φ25.0

      26.0±1.0

      0.45±0.10

      12.50

      0.87

      50

      Φ28.0

      29.0±1.0

      0.45±0.10

      14.00

      0.87

      50

      Φ30.0

      31.5±1.0

      0.45±0.10

      15.00

      0.87

      50

      Φ35.0

      36.5±1.0

      0.50±0.10

      17.50

      0.97

      50

      Φ40.0

      41.5±1.0

      0.50±0.10

      20.00

      0.97

      50

      Φ50.0

      51.5±1.0

      0.55±0.10

      25.00

      0.97

      50

      Φ60.0

      63.0±3.0

      0.60±0.15

      30.00

      1.17

      25

      Φ70.0

      71.0±3.0

      0.60±0.15

      35.00

      1.17

      25

      Φ80.0

      81.0±3.0

      0.65±0.15

      40.00

      1.20

      25

      Φ90.0

      91.0±3.0

      0.75±0.15

      45.00

      1.30

      25

      Φ100

      101.0±3.0

      0.75±0.15

      50.0

      1.30

      25

      Φ120

      121.0±4.0

      0.80±0.20

      60.0

      1.40

      15

      Φ150

      151.0±4.0

      0.80±0.20

      75.0

      1.50

      15

      Φ180

      181.0±4.0

      0.85±0.20

      90.0

      1.60

      15

       

       

      • Ordering Information

      Color

      Standard: Black (-BK), white (-WH), red (-RD), blue (-BL), yellow (-YL), green (-GR)

      Nonstandard: Brown (- BR), orange (-OR), violet (-VT), gray (-GY), yellow & green stripe (-GYS)

      Nonstandard size

      Special sizes are available upon request.

      Standard packaging

      On spools. Cut pieces are available upon request.

      Ordering description

      Specify product type, size (mm or inch) and color.

      Official website

      Contact us

      Tel:+86-20-32079090

      Fax:+86-20-32079018

      Web:www.offices8.com

      E_mail:angel@gzkaiheng.com

      Add:NO.148,Chang'an,Guangshan Road,Huangpu District,Guangzhou,China

       

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