Electrical Insulation 3723 Cotton Cloth Fabric Bakelite Phenolic Resin Laminated Rod

• Customization: Available
• Application: Insulators, Electrical Winding Insulation, Motor,
• Color: Brown
• Model NO.: 3723
• Material: Cotton
• Maximum Voltage: <10KV
• Thermal Rating: B 130
• Type: Solid
• Dia: 8-200mm
• Length: 1000mm
• Heat-Resistance: B Class 130
• Package: Carton and Pallet
• Storage Life: 1 Year
• Chemistry: Inorganic Insulation
• Classification: Inorganic Insulation Material
• Certification: ISO9001
• Brand: Chr
• Transport Package: Carton and Pallet
• Specification: ISO9001 SGS
• Trademark: chr
• Origin: China
• HS Code: 456900
• Production Capacity: 50mt/Week

Product Description

Product Description

3723 Phenolic cotton cloth laminated rod is made of cotton cloth by roasting and hot pressing in a forming mold. The rod of which the section round has good mechanical property and machinability. Heat-resisting grade: E. It applies as parts of the insulating structure to the electrical equipments and usable in the transformer oil.

Product Parameters

Type: Insulation Rod
Diameter: 8-200mm
Length: 1000mm,1030mm, 980mm 
Color: Brown or Black
Insulation class: class E (120ºC)
 

Our Advantages

1. Good electric properties 
2. Good mechanical properties
3. Strong wear-resistant property
 

Applications

Widely used as insulating structural components with certain mechanical properties and electric properties on the machine,  also for motor and electric appliances as well as oil submerge transformer.
 

Specifications

3723 Phenolic Cotton Cloth Bar Specifications

NEMA Grade	C, CE
Color	Black, Tan, Brown, Orange
Thickness	8mm ~ 220mm
Dimensions	Custom
Vertical Bending Strength	≥120 MPa
Dielectric Loss Factor 1MHz	≤0.05 Tg8
Grain Strength	≥3200 N
Vertical Breakdown Voltage	8.4-15.7 Kv/mm
Parallel Breakdown Voltage	≥20 KV
Parallel Layer Insulation Resistance	Dry ≥1.0x109 Ω
	Wet ≥1.0x107 Ω
Water Suction Volume	165-1380 ml
Temperature Class	Depends on Grade

Phenolic Cotton Cloth Laminated rod

Properties				Grade
				insulation bakelite rod
Properties	Units			3723	3724	3725	3726
Density		Dia(mm)	g/cm3	1.25-1.40	1.25-1.40	1.25-1.40	1.25-1.40
Water absorption rate (D-24/23)	≤	6	%	1.7	1	1.2	1
		13		1.3	(Φ13mm)	(Φ13mm)	(Φ13mm)
		25		1
	>	25~51		1.2
Flexural strength	≥		MPa	90	95	110	95
Tensile strengh	≥		MPa	78	\	\	\
Compression strength (Axial)	≥		MPa	138	138	138	138
Insulation resistance parallel to laminations					\	\	\
A: Under normal condition	≥		W	1.0×108
D-24/23: Immersion in water	≥		W	\	\	\	\
Breakdown voltage parallel to laminations (in transformer oil)	≥		KV	10	10	10	10
				(20±5°C)	(20±5°C)	(20±5°C)	(20±5°C)
Flammability			-	-	-	-	-
Color			-	Natural	Natural	Natural	Natural
Reference standard			-	Enterprise Standard