3640 epoxy tube - transformer insulation tube

Product description

3640 epoxy tube - transformer insulation tube：

•Light weight (25% steel, 70% aluminium).

•High strength

•It can be very durable in corrosive environments.

•Not easily deformed, scratched or ruptured

•Suitable for transparent radome and radio sleeve.

•Suitable for electrical and thermal insulation.

•Heat resistant grades are F (150 degrees), H (180 degrees), C (220 degrees), 250 degrees or more

•Flame retardant (UL94:V0.V1)

•Waterproof

•You can choose colors (light green is the natural color, other colors can be customized).

Table 1, unit (mm)

Nominal internal	Min Wall-thickness	Bore tolerance	Wall-thickness Wall-thickness
6～30	3.6	c0.30	±0.30
30～80	4.0	±0.40	±0.40
80～150	5.0	±0.50	±0.50

Nominal length and tolerance are shown in Table 2

Table 2, unit (mm)

Physical, mechanical, and dielectric properties are shown in Table 3

Table 3, unit (mm)

Number	Index name	Unit	Index
One	Specific gravity, no less than		1.40
Two	Bending strength, no less than	Kgf/cm²	1800
Three	Tensile strength	Kgf/cm²	700
Four	Shear strength	Kgf/cm²	150
Five	Volume resistivity, no less than	Ω · cm
	Normal time		10¹²
	After soaking		10¹⁰
Six	Parallel layer to layer insulation resistance, no less than	Ω
	Normal time		10¹⁰
	After soaking		10⁷
Seven	Tangent of dielectric loss angle at frequency 50Hz, no higher than		0.030
Eight	Vertical layer to withstand voltage, at 90 + 2 degrees Celsius transformer oil, pressure 5 minutes	Kv
	Wall-thickness1.5mm		12
	Wall-thickness2.0mm		14
	Wall-thickness2.5mm		16
	Wall-thickness3.0mm		18

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