Flexible graphite sheet DP1100 Flexible graphite shees are manufactured from high quality natural flake graphite though chemical treatment,expanded under high termperature and rolling. It has the characteristics of high-temperature resistance,corrosion resistance,anti-radiation,low creep relaxation and good elasticity,and is the basic material for making all kinds of composite graphite sheets,graphite tapes,packing and gasket. Working temperature -200-650(in air),-200-3000(in non-oxidizing media).
Application: Apply to acid,alkali,steam,solvents,oil,and other media.It can be directly used in flange, access hole,water level indicator and other parts of seals under low pressure occasions.
Thickness mm | Width mm | Length m | Density g/cm3 | |
Roll | Sheet | 4.2-15000 | ≤910 | 0.4-1.5 |
0.127-1.6 | 0.127-3.2 | |||
Characteristics:
Item | DP1101 | DP1102 | DP1103 | DP1104 | DP1105 |
Carbont content% | ≥99.5 | ≥99.2 | ≥99 | ≥99 | ≥98 |
Sulphur contentPPM | ≤200 | ≤500 | ≤1000 | ≤1300 | ≤1500 |
Chloride contentPPM | ≤20 | ≤30 | ≤40 | ≤40 | ≤50 |
Tolerance densityg/cm3 | ±0.03 | ±0.03 | ±0.04 | ±0.05 | ±0.05 |
Tolerance thickness mm | ≤1.6±0.03;1.6 3.0±0.05 | ||||
Tensile strengthMpa | ≥4.0 | ||||
Copressibility% | ≥40 | ||||
Recovery% | ≥10 | ||||
Ignition loss% | ≤1 (450℃1H) | ||||
Creep ralaxation rate % | ≤10 | ||||
The above product product properties are avalable when the density of the graphite sheet is 1.0g/cm3 and the thickness is 0.2 to 1.6mm. We can also manufacture according to customers requirement.
DP1106:Graphite sheet with nuclear class - special material for nuclear power station: It could be used to manufacture sealing components of nuclear class such as:graphite packing ring,spiral wound gasket,graphite braided packing, etc.. The successful development of nuclear class graphite sheet took the lead in the field of graphite sealing in our country and successfully used in Daya bay Nuclear Power Station,Qinshan Nuclear Power Station.
DP1107:Anti-oxidizing graphtie sheet - much higher working temperature: Except having the common graphite sheet nature, its high temperature resistance and oxidation resistance is more prominent. It could be applied in a higher temperature situation. The main performance indicators of the loss quantity is ≤12% (670℃/1 hour) or ≤12% (670℃/1 hour) etc.
DP1108: Inhibitive flexible graphite sheet - effective avoid pitting on the sealing surface, the sealing is more reliable: The seals made by this kind of graphite sheet, mainly used to prevent corrosion by the harmful elements on the sealing surface of valve stem,shaft,etc..
DP1109:Automotive-graphtie sheet - the implementation of CPK control, the area weight more evenly: Distributed uniformily, multistage rolling,laminated progress,online monitoring,hydraulic pneumatic adjustments and PLC control to ensure material's distributed uniformity, More than 30 years of experience to ensure a stable and reliable product quality.
DP1100:PV/electronic-grade sheet: Dealing with double degrassing method removed the harmful ingredients, to ensure that products are no longer appear the bubble phenomenon in high temperature environment, when composite with carbon felt it can be used in vacuum furnace and also in radiator seal.
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