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          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:m.colegioangelmariadalo.com

          E_mail:angel@gzkaiheng.com

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

           

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