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Welding can generate between 2g/kg to 20g/kg of chromium 6+ (source:"Selecting Processes to Minimize Hexavalent Chromium from Stainless Steel Welding") but that weld arc is about the same temperature as the surface of the sun. You just wont see those temperatures on a coil (hope not). Most of...

Smaller coils or bigger coils? This is the question I was playing CSGO and my mind began to wander. I had been experiencing better performance from narrower diameter coils. I could not imagine why. Surely a 3mm diameter coil would out perform a 1.5mm coil across the board because you can soak...

TL;DR There is no danger of metal fumes from coils operating at or below 300C Nickel coils run risk of nickel contamination in e-juice. Tamman Temperature This is the crux of my post. Tamman temperature is the lowest temperature at which atoms in a metal (e.g. metal wire) will become...

Let get down to technicals here. Rayon is a chemically refined, reformed and purified cellulose based polymer. Many have been lauding it as the next big thing for e-cigarettes. I have personally ordered a sh*t ton of it and I am eager to see if it is as good as reported. I only got about a few...

Hello, My name is Templar. I want to start a thread talking about the chemistry and other scientific sides of e-cigarette usage. I want to cover general e-cigarette chemistry, focusing heavily on the chemical reactions that occur between and to e-juice and the metals atomizer coils are made...

Supplier Negative Review Name of retailer: FastTech Date of your initial complaint to the supplier Jun 19, 2016 Method used when initiating complaint with retailer Email Ticket number (if you were issued one) General nature of complaint Customer Service Briefly describe your problem or...

Hey guys I've been vaping since 2013. I started first on clearo's and carto's, moved up to sub ohm premade coils/tanks, and now I am graduating to RDA/RDTA/RBA type builds. I graduate next yr with a chem eng degree, and I hope I can help fill in the blanks for people re: coil metals +...