What is the density of the plastic used in speed tip welding?(a) 916 kg/m^3(b) 923 kg/m^3(c) 946 kg/m^3(d) 982 kg/m^3I had been asked this question by my school teacher while I was bunking the class.I want to ask this question from Types of Welding in portion Welding and Related Processes of Casting-Forming-Welding II

What is the density of the plastic used in speed tip welding?(a) 916 k

1.	What is the density of the plastic used in speed tip welding?(a) 916 kg/m^3(b) 923 kg/m^3(c) 946 kg/m^3(d) 982 kg/m^3I had been asked this question by my school teacher while I was bunking the class.I want to ask this question from Types of Welding in portion Welding and Related Processes of Casting-Forming-Welding II
Answer» The correct option is (C) 946 kg/m^3 Explanation: The plastic which is used in the PROCESS of speed tip WELDING is polypropylene or POLYPROPENE. It is classified under thermoplastics materials. The density of polypropylene is 946 kg/m^3 and it starts melting at 130°C.

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