Amit Dharia

5 Questions 9 Answers 0 Followers

Questions related from Amit Dharia

Flame retardant polymer composition analysis?

I have a molded electrical connector. The density is 1.30 g/cc. In the air, the inorganic residue in TGA or ASH test is 12-14%. The FTIR of inorganic residue shows silica (SiO2). XRF analysis...

11 July 2021 382 2 View

Does Tg between first and second heating shift for foam sample?

Under identical test conditions, does Tg measured using DSC shift between the first heat and second heat? What causes such a shift? Size, shape and weight, rate of heating, etc affect Tg. What...

24 November 2019 9,419 0 View

Can anyone help identifying residue on injection mold from FTIR?

PP co polymer when molded has an odor. We collected yellow color residue left on the injection mold after molding this COPP. The FTIR search library gives good match but compounds identified...

05 March 2018 7,531 1 View

Does anyone have a Carrie Mead CSL 550 constant stress cone-plate rheometer with ETM?

I am having a problem with my ETM unit. When turned on, it passes system check but then displayed flashing error -Heater OFF/ over heated. Tc from Hot plate is working and fuse is also intact.

10 November 2017 1,563 0 View

Why DSC base line is not flat?

I am using Seiko RDC 220 and having some issues recently. With blank run (no pans), I am noticing a parabolic baseline, i.e. it is sloping downward and then rising again and sloping upward....

26 October 2016 7,222 9 View