| Customization: | Available |
|---|---|
| Material: | Graphite |
| Usage: | Machinery |
|
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Pure Expanded graphite tape for making Spiral wound gasket.
C>=98%;
Tensile strength>=4.2Mpa;
Density: 1.0g/cm3;
Thickness:0.5~1.0mm
Width:5.6~6.0mm for 4.5mm Thickness Spiral wound gasket,
3.9~4.3mm for 3.2mm thickness spiral wound gasket
Other sizes on request
Product Features :
1.High Temperature and cold temperature Resistance
2. Excellent corrosion resistant
3.Easy to use , Low Cost
4. Good compression resilient
5.Good self-lubrication and high resilience
Wound gasket graphite tape
The winding pad graphite belt uses a high-precision CNC lathe to cut the graphite coil into a strip shape with a special cutter. Compared with the traditional graphite strip, the precision is higher, the damage to the graphite coil is less, and the cutting part is smooth and burr-free. For the production of graphite wound gasket filling materials.
Performance characteristics:
1. Excellent heat resistance and cold resistance.
2. Excellent chemical resistance.
3. Have good self-lubricating properties.
4. The rebound rate is high.
5. Easy to use and low cost.
Wrapping mat graphite tape for medium:
Hot water, high temperature, high pressure, steam, heat exchange medium, ammonia, hydrogen, organic solvents, hydrocarbons, cryogenic liquids, etc.
Wrapping mat graphite tape common specifications size:
Thickness: 0.5~1.0mm
Width: 5.6~6.0mm 3.9~4.5mm are used for 4.5mm and 3.2mm winding respectively.
Other width please request
Main performance parameters of winding pad graphite belt:
Item
Numerical value
Carbon content (C concentration) 99%
Sulfur content (S concentration) <1000ppm
Chlorine concentration <45ppm
Tensile strength 4.5MPa
Compressionibility >40%
Recover rate (recovery) >10%
Temperature (Temperature) -200°C-600°C
Pressure (Pressure) 20MPa
Terence of Thickness -0.04mm~+0.04mm
Terence of Dimension according to gasket specifications
Terence of Density -0.06~g/cm3+0.06gcm3
Physical and mechanical properties of different grades of graphite layer:
Project
Density tolerance Carbon content C ≥ % Tensile strength Sulfur content Chlorine content Stress relaxation rate Loss on ignition
IndustrialIndustrial ±0.06g/cm3 98 4 Mpa <1000ppm <50ppm 10% 2.0≤%
Nuclear level Nuclear ±0.05 g/cm3 99.5 5 Mpa <700ppm <25ppm 10% 0.5≤%
technical standard:
The foreign manufacturing standards for metal wound gaskets are: ASME B 16.20, ASME B 16.5, ASME B 16.47 A (B), BS EN1092, JIS, and NF, etc. and can provide various kinds of winding pad graphite tapes as needed, and the winding mat asbestos is not available. Asbestos tape, wound mat ceramic fiber tape, metal formed steel strip, etc.
Wrapped pad graphite tape related standard status:
HG20610-2009 Wound gasket for steel pipe flanges European system of Ministry of Chemical Industry
HG20631-2009 Wound gasket for steel pipe flanges
GB/T4622.2-97 Wound gaskets Gaskets for pipe flanges National standard
JB/T4719-92 Winding gasket for shell and tube heat exchanger
JB/T90-94 Wound gasket for pipe flanges
JB/T4705-2000 Wound gasket for pressure vessel flanges
SH3407-96 Wound gasket for pipe flange
JB/T 53392-1999|Flexible Graphite Sheet Product Quality Grading
B/T 7758.2-2005|Flexible graphite plate Technical conditions
JB/T 9141.4-1999|Flexible graphite sheet, compression rate, rebound rate test method
JB/T 7758.4-2008|Flexible graphite sheet Determination of chlorine content
JB/T 7758.3-2005|Method for determination of sulfur content in flexible graphite sheets
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