Hiram Rodriguez

Experience

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  Union Ink Co Inc

  Aug 2008 - Jan 2014

  Quality Control / Research & Development Lab tech

  • Testing the viscosity of various types of inks by using the lab viscometer. • Performing lab adjustments on inks to standard viscosity levels by adding resins. • Quality control of ink batches using X-RITE color computer. • Using a gram scale to accurately weigh the right amount of resin or pigment needed. • Using a thermometer to have testing performed at 80°C. • Check color of batch and standard by using a spatula to spread on mesh. • Curing in oven and also air dry to notice the change in color. • Calculate gram amounts of pigment or resin used and write on addition paper. • Check database to locate retains saved for lab testing. Show less

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  Elementis Global

  Oct 2014 - Sept 2015

  Quality Control Laboratory Technician (Temporary Position)

  • Mix and blend solvents and pigments with media via the use of Eiger Mill. • Separate a mixture of chemicals in gas or liquid form via the use of gas chromatograph. • Determine particle size with the use of Microtrac. • Calculate formulas to determine the amount of dilution or addition that is needed in a product. • Run stability testing that includes weight per gallon, percent solids, viscometer, ph meter gram scale, high /low temperature ovens, hot plate, grind check apparatus, thermometer, X-Rite color computer, refractometer, UV spectrometer, Spectralight • Use of gram scale to accurately weigh the amount of pigment, resin, water and solvent that need to be added to a batch. • Maintain laboratory log book and laboratory book, enter test results and retains on computer. Show less

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  Sika

  Sept 2015 - Feb 2017

  Quality Control / Research & Development Tech (Temporary Position)

  • Stability testing on dry casting samples: absorption testing or ABS, compression table testing machine, ICT machine, droplet testing, spray bar testing, use of caliper and gram weight scale, use of water and oven chambers for curing, maintain testing calendar.• calibration of gram scale and other lab apparatus. • Trained sales team and potential clients on products and testing procedures.• Troubleshoot lab equipment.• responsible for ordering and buying lab supplies. Show less

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  Sun Chemical

  May 2017 - Sept 2018

  Analytical Lab Technician

  Analytical ink testing using: Karl Fisher, Nicolet 6700 FTIR, Turbo Matrix Gas Chromatography and Centrifuge Machine.  TNV testing, Ash sample testing and Migration testing.  Daily Excel data entries of sediment percent, TNV percent and ash percent.  Gram weight scale, used chemicals to prepare centrifuge tube samples, use of oven chambers and Bunsen burners.  Maintained laboratory notebook.  Titration procedure to determine unknown solution, use of Brookfield viscometer to indicate torque required to turn ink, and ph meter device to measure the acidity ​ of a batch. Show less

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  Robertet Group

  Oct 2018 - now

  Quality Control Technician II

  Stability Testing, GC/MS Testing, FTIR Testing, Sensory Testing, Color Matching Specialist.