+91 98765 43210 info@parasenterprise.com Mon – Sat : 9:30 AM – 6:30 PM
Lab to drum

Quality & R&D

Every batch tested against the standard, every result documented, every shade repeatable.

Quality assurance

Tested to global specifications

Our in-house laboratory tests every lot for strength, shade, solubility and physical properties against an approved standard before it is released.

Each consignment ships with a Certificate of Analysis, and a reference sample of every lot is retained, giving you complete traceability from raw material to finished drum.

  • UV-Vis Spectrophotometer
  • Computer Colour Matching
  • HPLC
  • Lab Dyeing Machines
  • Paper Sheet Former
  • Light Fastness Tester
  • Viscometer
  • Moisture Analyser
Typical release specificationDye powders & liquids — typical values
ParameterLimit
Strength vs. standard100 ± 2% (spectrophotometric)
Shade vs. standardΔE ≤ 1.0 (CIE L*a*b*)
SolubilityAs per grade, g/L at 25 °C
Moisture≤ 5% (powder grades)
Water-insoluble matter≤ 0.5%
Salt content (salt-free)≤ 1% as NaCl
pH (1% solution)7.0 – 9.0
Viscosity (liquid grades)As per grade, cP at 25 °C
Light & wash fastnessChecked on dyed substrate
Research & development

Developing the next blue

Our R&D team works on what customers need next: purer salt-free grades for digital inks, stable liquid formulations, and greener processes with less effluent.

Ink-grade purification

Membrane desalting for high-solubility, low-salt inkjet and writing-ink dyes.

Liquid formulations

Stable, dust-free liquids with controlled viscosity for automatic dosing.

Cleaner chemistry

Process improvements that cut effluent load and energy use.

Infrastructure

Built for scale and consistency

Glass-lined reactors, filter presses, membrane desalting, spray dryers and liquid blending — all under one roof.

15 Dyes & additives in production
5 Dye classes under one roof
3 Physical forms: powder, wet cake, liquid
Free samples · TDS & SDS on request

Looking for the right blue? Let’s talk.

Tell us your substrate, process and target shade — we will recommend a dye and send samples with technical documents.