Product Name.
Gold Mica Tube
Product Description.
Mica tube is a hard tubular insulating material made of high-quality mica, muscovite paper or phlogopite paper with appropriate adhesive by bonding and rolling. It is suitable for insulation of electrode rod or outlet bushing in various electrical appliances, motors, electric smelting furnaces etc.
Product Features.
1,Excellent high temperature resistance and insulation properties;
2,Good mechanical strength, stable chemical properties, excellent anti-erode and aging resistance. 3,Environmental friendly, non-poison.
4,Precise dimensions: adopting mechanical production and electronic measuring devices to monitor data
5, Beautiful shape, smooth inner and outer walls, good roundness and proportionality.
Deviation of inner and outer diameter (mm) :
Nominal inner diameter | Inner diameter deviation | Outside diameter deviation |
<10 | ±0.3 | ±0.4 |
10-20 | ±0.4 | ±0.5 |
21-50 | ±0.5 | ±0.7 |
51-100 | ±0.6 | ±1.0 |
101-200 | ±0.8 | ±1.2 |
201-300 | ±1.0 | ±1.5 |
Specification : The length of mica tube is 10~500mm, and the inner diameter size is Φ8~Φ300mm. |
Performance indicators:
Projects | Unit | White mica tube | Gold Mica Tube | Test Method | |
White Mica | Gold Mica | ||||
Mica content | % | >85 | >85 | IEC60371-2 | |
Gum content | % | >15 | >15 | IEC60371-2 | |
Density | g/cm3 | 1.6-2.2 | 1.6-2.2 | IEC60371-2 | |
Temperature resistance grade | Continuous use environment | ℃ | 500 | 700 | |
Intermittent working environment | ℃ | 800 | 1000 | ||
Thermal weight loss at 500°C | % | <1 | <1 | IEC60371-2 | |
Thermal weight loss at 700°C | % | <2 | <2 | IEC60371-2 | |
Electrical strength | kV/mm | >1.5 | >1.5 | IEC 60243-1 | |
Insulation resistance at 23℃ | Ω·cm | 16 times 10 | 16 times 10 | IEC 60243-1 | |
Flame retardant grade | UL94V-0 | UL94 V-0 | UL94 |
Application areas:
Suitable for insulation of electrode rods or outlet sleeves in various electrical appliances, motors, electric smelting furnaces and other equipment