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H. L. Enterprise has a well equipped laboratory for quality analysis right from the raw materials to in-process to the final product stage to verify that the product requirements have met. Our team of qualified and experienced analysts together with our well equipped laboratory is committed to maintaining the quality and consistency of our products. All the monitoring & measuring devices are calibrated in accordance with an approved written Calibration Schedule.
The general tests done for raw materials and products:
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Raw material testing:
- Purity
- Grit content
- Presence of toxic metals
- pH
- Conductivity
- Presence of extenders
- Sieve Residue
- Heavy metal content
- Color matching and comparisons (Spectrophotometry)
- Presence of banned amines and heavy metals to limit within International Standards.
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General Tests done for all products:
- Strength and tone
- Dispersion
- pH
- Heavy metal content
- Color matching and comparisons (Spectrophotometry)
- Presence of banned amines and heavy metals are periodically tested to limit within International Standards
- Shelf life
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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.
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Textile, Carpet, Paper, and Leather
- Strength and Tone
- Viscosity & flow
- Dispersion
- pH
- Penetration
- Wash fastness
- Rub fastness
- Light fastness
Paints and Inks
- Strength and Tone
- Viscosity & flow
- Dispersion
- pH
- Particle Size
- Penetration
- Rub fastness
- Light fastness
Soaps and detergents
- Strength and Tone
- Dispersion
- pH
- Reaction to acid and alkali
- Solubility in water
Latex
- Strength and Tone
- Dispersion
- Particle size
- pH
- Penetration
- Drying time
- Antistatic property
- Color migration
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