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Hi, May be it is a very simple question. I need some help to calculate clamp force when two parallel plates are bolted by 2 or 4 bolts. May be I can use the equation T=(K*D*W). But I would like to know when 2 or 4 bolts are used over two rectangular plates (2"x2") how the clamp force will be...

Hi, I need some information regarding pinhole in HDPE gas pipe. I heard there is some information available in PPI. Would anyone please let me know where I can find some pinhole information except ionixtechnologies info? Thanks Regards Parvez

Hi, I am just looking for some informtaion whether electroless nickel coating is good for (hold up) 5%(50000 ppm)Cl- in salt water or brine. We know EN is a good choice for Brine but to what extent of Cl- content? It will be great if you guys can refer me some relevant publication too. Thank...

It will be great if someone can tell me the brine compostion contained in the crude oil not the brine used for oil recovery.

Can anyone provide me some data with gasoline in HDPE at high pressure : effect of gasoline on mechanical properties of hdpe pipe at high pressure and room temperature thanks in advance

I want to run a test with gasoline in HDPE composite pipe which can hold 750-1000 psi. I will run the test at room temperature and 300-400 psi. I want to fill a small piece of pipe with end fittings on and filled with gasoline and pressurize it at 300 psi and then want to run it for 30 days. The...

1st question:If only TiO2 is used do we need any stabilizer for PE pipe in Texas heat (surface: above the ground) since carbon black heats so fast. 2nd question: how much an average black (Carbon black) PE pipe heats up on the sun compared to white (TiO2) PE pipe : Temperature rise thanks in...

what are the astm standards for plastic pipe at cryogenic application: such as for tensile test which standard should be followed and if you know any other standards which cover cryogenic application pls. let me know.

I want to test the glass fiber strand under acidic condition. Don't want to etch it for long time and test. Just want to pass the fiber through plastic tube and somehow stop the acid to leak and pull in the two ends. Grips are made by epoxy. Can anyone give me better suggestion on this ?

I need information regarding a tie layer that could be used to co-extrude Teflon and HDPE.

Is there any sensor or optical instrument or any other instrument avaliable to detect any loose strand on the bobbin at the time of roving. Since for the operators it is always not possible to see constantly the bobbin being made so we are having problem in the production using bobbing with...

Is the pipe made of HDPE (High density polyethylene) okay at -40C ?

Hi, We are manufacturing at present plastic pipe for oil and gas industry. Guys can you suggest me which thermoplastic materials will be good at -150F. We will make pipe from these materials. Also please suggest about thermoset polymer. thx a lot.

Hi, We are manufacturing at present pipe for oil and gas industry. Guys can you suggest me which thermoplastic materials will be good at -150F. We will make pipe from these materials. Also please suggest about thermoset polymer. thx a lot.