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At Shree Uma Industries, quality analysis is done right from the raw materials to the final product. Our team of qualified and experienced analysts together with our well equipped laboratory is committed to maintaining the quality and consistency of our products.
The general tests done for raw materials and products:
Raw material testing:
- Purity
- Grit content
- Presence of toxic metals
- Gas Chromatography
- Boiling point
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General Tests done for all products:
- Sieve Residue
- Moisture content
- Heavy metal content
- Thermal analysis
- FT-IR
- Particle and its shape study
- Color matching and comparisons (Spectrophotometry)
- Atomic Absorption Spectroscopy is done on the final product to determine foreign elements.
- Presence of banned amines and heavy metals are periodically tested to limit within International Standards.
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We cater to a wide array of customers having different specifications in terms of application, performance and cost, hence we conduct quality tests on our final product as per the end use specified by our valuable customers. Here inks, paints and MasterBatches are produced on a laboratory scale using the best available instruments like:
- Two roll mill(application)
- Rack mill
- Vibroshaker
The inks, paints and other formulations thus prepared are then subjected to the following quality control tests:
Offset inks:
- Strength (Muller Test)
- Dispersion (Sheen gauge)
- Ink proofing kit
- Gelling
- Oil absorption
- pH & Conductivity
- Emulsification properties
- Water pick up test
- Opacity & transparency
- Gloss
- Resistance to acid and alkali
- Light fastness
- Particle size study
- Soap fastness
Flexo & Gravure inks:
- Solvent stability
- Viscosity & flow
- Gloss
- Shelf life-observed over a period of time
- Ink behavior studies in different pigment concentrations
Water based ink
- Dispersion
- Color value
- Bleeding
Ink jet inks:
- Particle size
- Conductivity
- pH
- Flocculation
- Thermal resistance
Paints:
- Strength
- Dispersion
- Stability
- Flocculation
- Coverage/hiding power
Plastics:
- Dispersion in LDPE,HDPE,PP, PVC
- Temperature stability
Textiles:
- Dispersion
- Penetration
- Wash fastness
- Rub fastness
- Light fastness
Press cake
- Solid content
- Sieve residue
- Particle study
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