Phenolic Cotton Cloth Laminated Tube & Rod Type 3721

• Application: Insulators, Electrical Winding Insulation, Motor
• Type: Insulation Sleeve
• Chemistry: Inorganic Insulation
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 3721
• Material: Resin
• Thermal Rating: E 120
• Maximum Voltage: <10KV
• Classification: Laminated Tube
• Certification: ISO9001
• Color: Green,White,Black
• Brand: Hfi
• Product Name: Epoxy Resin Glassfiber Tube
• Thickness: >20mm
• Wall Thickness: >2mm
• Length: 1000mm
• Transport Package: Pallets
• Specification: 1000mm
• Trademark: HFI
• Origin: China
• Package Size: 15.00cm * 15.00cm * 10.00cm
• Package Gross Weight: 0.500kg

Product Description

Phenolic Cotton Cloth Laminated Tube & Rod

1.COTTON ROD
Properties
# Higher mechanical strength
# Better machinability
# Good dielectric strength

  Applications
Mainly used for long lasting gears, pinion, bearing, bushing and many structural applications.

ITEMS		Unit	3721	NEMA C	NEMA CE	NEMA L	NEMA LE
Density	≥	g/cm^3	1.25-1.40	1.25	1.40	1.25	1.40
Water absorption	≤	%	1.0	2.0	1.0	1.2	1.0
Flexural strength	≥	MPa	118	110	90	110	83
Tensile strength	≥	MPa	78	--	--	--
Compression strength (Axial)	≥	MPa	--	131	138	131	138
Insulation resistance parallel to laminations A: under normal	≥		1.0 x 10^8	--	--	---	--
Breakdown voltage , parallel in transformer oil @ 20 ± 5ºC	≥	KV	10	--	10	--	10
Flammability		--	--	--	--	--
Color	--	--	Natural	Natural	Natural	Natural	Natural

2.Phenolic cotton cloth tube
ID>20MM,wall thickness:>2.0mm,length1000mm

Properties		Unit	Grade
			Phenolic paper laminated tube
			Inside diameter(5-25mm)			Inside diameter(>25mm)
Density		g/cm^3	≥1.03			≥1.1
Water absorption rate		%	Wall thickness 3mm ≤8
Temperature grade		ºC	E glass (120ºC)			E glass (120ºC)
Thermostability(24h)		ºC	120ºC
Flexural strength		MPa	≥50		≥60
Bonding strength		MPa	≥70		≥70
Compressive strength		MPa	≥50		≥60
Dissipationfactor	50Hz		≤0.03		≤0.03
Dielectric strength perpendicular to laminations(withstand voltage) (in 90±2ºC/5min transformer oil)		kV/mm	Wall thickness(mm)	Units kV	Wall thickness(mm)		Units kV
			1.5-2.5	≥8.5	1.5-2.5		≥8.5
			>2.5-3.5	≥8.0	>2.5-3.5		≥8.0
			>3.5-4.5	≥7.0	>3.5-4.5		≥7.0
			>4.5-6	≥6.5	>4.5-6		≥6.5
			>6-9	≥6.0	>6-9		≥6.0
Dielectric break down parallel to laminations (in 90±2ºC/5min transformer oil)		kV	≥20		≥25

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