Quality Feature:High quality, Pass SGS Certification, Oeko-Tex Standard 100, Test Report, Lead-free/Nickel-Free/Eco-Friendly/WashableSamples:Free available with 3-7 day
The outstanding feature of Wolfram 4mm tungsten bar is that they can be batch operated. Among the rod-like metal materials, tungsten rod has the highest melting point. In heat, electric conduction and electron emission, it performs very well.