Electrical Insulating Rubber Used in Manufacturing of Various Composite Insulators Surger Arresters Insulators and High- & Low-Voltage Electrical Fittings

• Appearance: Liquid
• Usage: Oil Drilling Auxiliary Agent, Water Treatment Chemicals, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Surfactants, Leather Auxiliary Agents, Electronics Chemicals
• Color: Transparent
• Model NO.: Electrical insulating rubber
• Flame Retardance: Fv-0
• Dielectric Constant: 3-4
• Dielectric Loss Tg δ≤: 3X10
• Tracking Resistance Tma: Pass
• Transport Package: 20kg/ Carton Lined with Plastic Bags or Sheets
• Specification: 20kg/ carton lined with plastic bags or sheets
• Trademark: IOTA
• Origin: Bengbu Anhui China
• HS Code: 391000
• Production Capacity: 800t/Moth

Product Description

Electrical insulating rubber

This product has good processability, good electrical insulativity, electrical erosion resistance, hydrophobicity and flame retardance. Its tracking resistance has reached the class 1A4.5. Molding and injection molding type can both meet the process requirements of customers. It is applicable to manufacturing of various composite insulators, surger arresters, insulators and high- & low-voltage electrical fittings for electrical lines of railways and urban light rails.

 

       Typical Properties:

 

Category		Item
Type 1 is applicable to molding Type 2 is applicable to injection molding		IOTA DT1 DT1U	IOTA DT2 DT2U	IOTA DC1 DC1U	IOTA DC2 DC2U	IOTA DD1 DD1U	IOTA DD2 DD2U	DE1 DE1U	IOTA DE2 DE2U
Appearance		Gray white red
Vulcanization	Hardness Shore A	60±2	60±2	60±2	60±2	58±2	58±2	58±2	58±2
	Tensile strength MPa≥	4.5	4.5	4.0	4.0	4.0	4.0	4.0	4.0
	Elongation at break %≥	280	300	280	300	240	260	240	260
	Breaking set% ≤	2	2	2	2	2	2	2	2
	Tear strength B KN/m≥	13	13	13	13	13	13	12	12
Specific density 25°C g/cm³		1.50±0.05	1.50±0.05	1.50±0.05	1.50±0.05	1.50±0.05	1.50±0.05	1.50±0.05	1.50±0.05
Compression set 180*22h %≤		40	40	40	40	35	35	40	40
Dielectric breakdown voltage Kv/mm ≥		22	22	20	20	18	18	17	17
Volume resistivity -Vcm ≥		7x10¹	7x10¹	5x10¹	5x10¹	3x10¹	3x10¹	1x10¹	1x10¹
Flame retardance		FV-0	FV-0	FV-0	FV-0	FV-0	FV-0	FV-0	FV-0
Dielectric constant		3-4	3-4	3-4	3-4	3-4	3-4	3-4	3-4
Dielectric loss tg δ≤		3x10²	3x10²	6x10²	6x10²	7x10²	7x10²	7x10²	7x10²
Tracking resistance TMA(1A4.5grade: corrosion depth mm ≤2.5)		Pass	Pass	Pass	Pass	Pass	Pass	Pass	Pass

Physical data in the above table is for reference only.

Vulcanization condition: 175ºC× 5Min.

 Addition of curing agent: liquid 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane, flame retardant rubber 0.4%

 

Advantage:

- Excellent physical properties

- Excellent electrical insulativity

- The flame retardance can reach the class FV-0 stated in the national standard IEC 60707.

 

Applications:

- Various composite insulators, Surge arrester

- High & Low voltage electrical fittings for electrical lines of railways and urban light rails.

 

Packing & Storage:

- 20kg/ carton lined with plastic bags or sheets.

- The products have a shelf life of 9 months from date of manufacture depending on the shore hardness if stored at room temperature in the originally sealed container.