PVC Fiberglass Sleeve Insulation Materials Elements Suitable for Wiring Insulation and Mechanical Protection of Motors 2715PVC Insulation Sleeving

Property

Requirements

Resistance to soldering heat

Pass (only for sleeving having nominal bore Diameter up to and including 5mm)

Bending after heating

No cracking or detachment of coating shall all be visible after bending around mandrels after 96h at 130°C

Bending at low temperature

No cracking or detachment of coating shall be visible after bending around mandrels while at-25°C

MΩ
Insulation resistance

At room temp :103
After damp heat: 101

Flame propagation method A,sec,max

60,in addition,the indicator flag on any of the threetest specimens shall not be burned.

Temperature index

105°C

Breakdown Voltage kv

Straight mandrel with 25mm electrode

Room temp

Elevated temp

Damp heat

Central value

4.0

1.2

1.2

Lowest individual value

2.5

0.8

0.8

Indicator name

Unit

Index value

Exterior

/

The coating should be uniform, the surface should be smooth, and there should be no defects affecting product performance.

Inner diameter and wall thickness

mm

Inner diameter

Wall thickness

Standard

tolerance

406

407

Two way(±)

unidirectional(+)

Min

Max

Min

Max

0.3

0.05

0.10

0.20

0.30

0.15

0.30

0.5-0.8

0.10

0.20

0.25

0.50

0.20

0.50

1

0.15

0.3

0.25

0.9

0.20

0.75

1.5

0.15

0.3

0.35

0.90

0.20

0.75

2

0.20

0.40

0.35

0.90

0.20

0.75

2.5

0.20

0.40

0.40

0.90

0.20

0.75

3

0.25

0.5

0.40

0.90

0.20

0.75

4-6

0.25

0.5

0.50

0.90

0.30

0.75

8

0.50

1.00

0.50

1.20

0.30

0.90

10-25

0.50

1.00

0.65

1.20

0.40

0.90

Breakdown voltage

Numerical value

KV           ≥

Projectile slot or straight mandrel / 100mm foil electrode

Median

Lowest value

Median

Lowest value

At room temperature

5.7

4.3

3.0

2.5

Under high temperature

2.6

2.0

1.5

1.2

After damp heat

2.5

2.0

1.8

1.2

Insulation resistance

At room temperature

Ω

-

≥1.0×109

≥1.0×109

After damp heat

≥1.0×108

≥1.0×108

Flame spread

Burning time

S

≤60

Visual inspection

-

Any one of the three samples indicates that the flag should not burn. Cotton is also not ignited by ignited or hot particles or ignited drops.

Solder heat resistance

-

Pass (only for nominal inner diameter ≤ 5mm hose)

Bending after heating

-

No visible cracks or shedding of the coating (test temperature: 130±2°C, exposure time: 96±1h)

Bending at low temperatures

-

No visible cracks or shedding of the coating (test temperature: ≤-25±2°C)

Mold resistance growth

-

Level 1 or better

Storage period

-

12 months