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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.m.baiyexing.net.cn

E_mail:angel@m.baiyexing.net.cn

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

 

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