Why It Matters
Caustic does not fully swell tightly woven cotton, so luster and dye affinity develop unevenly
Solution Approach
Caustic does not fully swell tightly woven cotton, so luster and dye affinity develop unevenly RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.
Typical Processing Workflow
1
Substrate & Process Assessment
Identify the fiber and process stage (pretreatment, dyeing, finishing) and the performance, hand, and compliance targets.
2
Auxiliary Selection
Match surfactants, wetting and dispersing agents, softeners, fixatives, or pH and sequestering agents to the substrate and bath chemistry.
3
Lab Dip & Dosing
Confirm dose and sequence on a lab dip or pad trial, checking levelness, fastness, hand, and bath stability.
4
Production Validation
Verify reproducibility, fastness, and effluent compliance at scale, and set the recipe and packaging for production.
Recommended Chemistries (3)
Caustic Soda (Sodium Hydroxide) Beads
CAS 1310-73-2
Acids & Salts
Primary alkali for scouring and mercerization
1824 (SODIUM HYDROXIDE SOLUTION) · Class high-concentration NaOH (typ. 20-26%) swells the cotton fiber lumen, developing luster and dye affinity
Melting Point: 318 °C Boiling Point: > 130 °C at 760 mmHg Density: 1.5 at 20 °C
Full Details
Naphthalene Sulfonate
CAS 130-14-3
Surfactants
Cleaning / Degreasing
alkali-stable naphthalene-sulfonate wetting/penetrant that stays active in 20-26% caustic, driving uniform NaOH strike-through on dense constructions where silicone/SLS wetters hydrolyze
Full Details
Acetic Acid
CAS 64-19-7
Acids & Salts
pH adjustment for enzyme activity
2789 (ACETIC ACID, GLACIAL) · Class neutralizes residual caustic after swelling to stabilize the goods
Melting Point: 17 °C Boiling Point: 118 °C at 760 mmHg Density: 1.051 at 20 °C
Full Details
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