insulation paper

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Specifications

insulation paper
1.light weight
2.good uniformity
3.low thermal conductivity
4.large thermal contact resist

insulation paper

The ordinary cryogenic insulation paper(incompatibility with oxygen):

Ordinary cryogenic insulation paper is made of a special process with high quality chemical fiber, usually compositely used with aluminum foil or single (double)aluminized polyester film. It is used in the storage container of cryogenic liquid(liquid helium, liquid nitrogen and liquid argon) and also used in dry ice storage vessels. Its advantage are lightweight, good uniformity, low thermal conductivity, large thermal contact resistance, low outgassing rate in vacuum. This product can be applied in a wide temperature range:-269°C-190°C.

Specification

Item  Unit  Index
Weight  g/m2  10±2.0
Thickness  mm   ≤0.06
Tensile Strength  KN/m  ≥0.06
Moisture  %  ≤12
Thermal Conductivity  w/mk  ≤1.35*10-4

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Q:This morning, the new gas tank, after the change will not catch fire
Can reduce the pressure relief valve or a bottle of gas to try.
Q:How to safely use the gas tank, should pay attention to what matters
3, the use of liquefied petroleum gas cylinders must be far away from the heat source, placed in easy to move, not flammable around, more ventilated place, stove, bottle distance of 80 cm or more, shall not be in any form of heating cylinders.4, the use of liquefied gas can not be away from the people, especially the boiling water and do not Rice porridge unattended, so rice soup or water overflow to extinguish the flame, and liquefied petroleum gas appliances continue to emerge, resulting in waste, smoked or fire.
Q:I would like to ask the working principle of gas stove timer
The timer can be turned off by pressing the upper adjusting key and the lower adjusting key at the same time. (6) each time the key, blue backlight timer will automatically turn on the light, light up as a case operation timer automatically shut down the blue backlight source after 10 seconds (7) according to the needs of customers can choose to use and not to use the cooker with timing function, discomfort the timing function will not function as the influence range state (combustion); application timing function, the only stove solenoid valve control, the controller will in time countdown the final 10 seconds automatically closes the electromagnetic valve, cut off the input range air, and not have to multiple focal eye burning independently timing control function.
Q:What is the weight of a normal bottle of gas?
If users find bottled gas Duanjinqueliang, can reflect the complaints to the quality inspection department. In addition, taking into account the safety issues such as air pressure, inflation can not be exceeded, with a maximum of 14.9 kg.
Q:What is the difference between a gas producer and a cold gas?
According to the fuel station and the purification method of different gas producer, customarily divided into two types: namely, the hot and cold gas station gas station. While coal and anthracite and bituminous coal (including coke) two categories. So strictly speaking should be divided into four cases:
Q:What is the density of liquefied petroleum gas
The main component of alkane gas, including methane, majority, and small amounts of ethane, propane and butane, in addition there are hydrogen sulfide, carbon dioxide and nitrogen and water vapor and a small amount of carbon monoxide and trace rare gases, such as helium and argon.
Q:5kg small gas bottle only in the water bath, 2 people, how long can be used
4 of course, this is also depends on the amount of water, if you have been opening the head, then use a few days less
Q:What are the similarities and differences between liquefied petroleum gas stove and gas stove?
The main components of natural gas is methane, combustion gas is less, so it needs more air, the air outlet of small and large air inlet, the main component of the liquefied gas is more hydrocarbons and olefinic carbon, and methane combustion is exactly the opposite, so the air outlet is larger.Calorific value of natural gas and liquefied petroleum gas, in particular, the gas stove nozzle, throttle, panel heat load and liquefied petroleum gas stove requirements are different, liquefied natural gas stove using natural gas, usually a small fireThe difference between liquefied gas stove and gas stove is the pressure, high pressure liquefied gas, natural gas pressure is low, reflected in the stove, the stove is liquefiers gas stove nozzle diameter smaller than the diameter of the nozzle, so two stoves can not be directly general.
Q:Natural gas from the standard into the quality of how to calculate?
The main component of natural gas is methane, molecular weight of 16, a molecular weight of methane is equal to about 16 hydrogen atoms, is about equal to the quality of the 16 protonsProton mass of 1.6726231 x 10^-27 kgTherefore, the quality of a cubic meter of natural gas:1.6726231 * (10^-27) * 16 * 6.02 * (10^23) * 1000 / 22.4=0.7192 kgNatural gas per ton:1000/0.7192 = 1390 cubic metersThe above algorithm is more accurate, but too cumbersome
Q:The development trend of natural gas
Because of the high calorific value of natural gas and less pollution to the environment, it is considered to be a clean fuel. With the development of the world economy, the impact of the oil crisis and the environmental pollution caused by coal and oil are becoming more and more serious. Natural gas has a very promising future for combined power generation, cooling and heating, fuel cells, and so on. Our country is rich in natural gas resources, according to incomplete statistics, the amount of resources is about 3.8 * 1013m3. In recent years, China has made great progress in exploration, development and utilization.

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