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Thanks. It’s a great device for my application.

Valves control air pressure in a 400 ml cylinder. I need to increase pressure in 1-5 psi steps to 5-10 psi and drop it down to 0 within 1-10 seconds.

I have to be able to set variable duty cycle. I could not find any solenoid driver that has this function.

Hi all, I need to drive three DC solenoid valves (12V, 0.6A) with pulses that I can adjust in 10-200 ms range with 10 ms step. Pulses follow with 2-20Hz frequencies. Duration of the sequences of pulses is 5 -15 min. I’m currently using PC relay board but it cant generate pulses shorter than...

It's used for making hollow shapes (ballons, tubes...) via dipping process. One of the brands that Im aware of is LA Revultex. http://www.revertex.com.my/revertex/web.nsf/wp/natural%20rubber

Thank you Tom. I forgot to mention. I’m looking for liquid rubber. Alex

I'm looking for a supplier of prevulcanized natural rubber in Canada or US.

Are there any commercially available material with elasticity of 300-400% that has long cycling life?

I’m looking for a material with high elasticity (>600% elongation) that can whistand mechanical cycling (at least 100,000 cycles.) It will be used as a thin wall (1/64” - 1/32”) tube with 3/8” ID. The air pressure in the tube changes within 1-5 psi range. The tube has to be able to expend...