Ceramic Dome Head Interlocking Insulating Beads

• Customization: Available
• Feature: Long Time Materials
• Refractoriness (℃): 1580< Refractoriness< 1770
• Model NO.: GT-271
• Shape: Block
• Type: Refractory Material
• Color: White Pink, Grey
• Type of Bead: Dome Bead, Flat Bead, Fish Spine
• Appreance: Top Groove, Bottom Groove, No Groove
• Property: Thermal Expansion Coefficient, Excellent Electrica
• Material: Steatite
• Transport Package: Plywood Case or Carton
• Specification: Rohs
• Trademark: shangtao
• Origin: Shanghai, China
• HS Code: 8547100000
• Production Capacity: 50000000 PCS Per Year

Product Description

Gongtao can supply and custom made the steatite ceramic products according to customer's drawings, samples and performance requirement.

Property:
1. High resistivity
2. Moderate strength
3. Excellent electrical properties
4. Poor heat conductivity (thermal insulator).
5. Good resistance to thermal shock.
6. Low coefficient of thermal expansion.
7. Good mechanical stability.

Applications:
Heating element holders
Stand off insulators
Interlocking insulating beads
Splitbush insulators
Lamp bases and caps
Regulator parts


These beads are for protecting power lead wires with different size.

Material: White steatite ceramic, yellow steatite, alumina.

Item	Testing condition	Unit	Steatite
Bulk density		g/cm 3	≥2.6
Flexural Strength		N/m 2 ×10 3	1.37
Coefficient of linear expansion	20~800°C	×10 -6 /°C	≤8
Permittivity	1MHz		≤7.5
	10GHz		/
Insertion loss	1MHz	×10 -6	≤8.0
	10GHz	×10 -6	/
Bulk density resistance	100°C	Ω@Cm	>10 12
Puncture strength		KV/mm	20
Thermal conductivity	20°C	W/m@k	2.9