| HS Code | 811827 |
| Product Name | Mercerized Blended Fabric Smooth Mixed Oil HOD-29 |
| Product Code | HOD-29 |
| Product Category | Textile fabric |
| Fabric Type | Mercerized blended fabric |
| Material Composition | Blended fiber |
| Finish | Mercerized |
| Surface Texture | Smooth |
| Color | Mixed Oil |
| Hand Feel | Smooth |
| Yarn Construction | Blended yarn |
| Width | Supplier specified |
| Weight | Supplier specified |
| Primary Use | Apparel and general textile applications |
| Care Instruction | Follow standard blended-fabric care |
| Packaging Form | Roll or bolt |
As an accredited Mercerized Blended Fabric Smooth Mixed Oil HOD-29 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied in 200-liter HDPE drums, securely sealed and labeled with product identification, handling, and safety information. |
| Container Loading (20′ FCL) | Container loading for 20′ FCL: Mercerized Blended Fabric Smooth Mixed Oil HOD-29, securely packed, palletized, and stowed for ocean shipment. |
| Shipping | Ship **Mercerized Blended Fabric Smooth Mixed Oil HOD-29** in clean, securely closed, properly labeled containers. Store and transport in a cool, dry, ventilated area away from ignition sources, moisture, direct sunlight, freezing, and incompatible materials. Follow the SDS and all applicable local/international transport regulations; retain shipping documentation. |
| Storage | Store in a cool, dry, well-ventilated area away from heat, sparks, flames, and direct sunlight. Keep containers tightly closed, properly labeled, and upright on stable shelving with secondary containment. Avoid contact with oxidizers, acids, and incompatible materials. Maintain spill controls and follow the manufacturer’s SDS for temperature limits and handling. |
| Shelf Life | Shelf life is typically 12 months when stored unopened in a cool, dry, well-ventilated place, away from sunlight and moisture. |
Sliver entering an open-end rotor spinning unit with an 88 mm rotor diameter and an opening roller speed between 7,000 min⁻¹ and 9,500 min⁻¹ places simultaneous demands on fiber separation, slide-wall deposition, and antistatic control. Mercerized Blended Fabric Smooth Mixed Oil HOD-29 is metered at 0.6–1.4% by weight of sliver through a double-jet lubricator mounted after the drawframe calendar roller. The oil-in-water emulsion used at 1:3 dilution is maintained at a kinematic viscosity of 22–34 mm²/s at 40°C by ISO 3104. Rotor groove deposit weight, measured gravimetrically every 50 kg sliver batch, is kept below 0.8 mg/g; above this boundary, trash ejection and yarn fault rate shift beyond normal mill tolerance. End breakage data from a 216-rotor frame running mercerized cotton/polyester 70/30 sliver at 110,000 min⁻¹ rotor speed show that film depletion at the navel increases Classimat A3 faults. Workplace compliance screening includes DIN EN 689 exposure monitoring for mineral oil mist, with an 8-hour TWA limit of 10 mg/m³. Terminal fabrics from this route include mercerized blended denim, industrial workwear twill, and pocketing cloth.
The dominant tribological boundary in ring spinning of mercerized blended roving forms at the traveler-ring contact, where local sliding speed approaches 38 m/s on a 42 mm ring flange. HOD-29 is applied as a diluted emulsion at 1.0–2.0% active oil on fiber weight using a roller applicator at the roving frame before the final drawing passage. A Brookfield LVT #2 spindle at 30 rpm and 25°C typically records 85–120 mPa·s for the ready-to-use emulsion; the dried film coefficient of friction determined by ASTM D3108-13 is held between 0.18 and 0.24. Overdosing above 2.5% owf produces drafting roller lap-ups within 20 minutes on a Zinser ring frame with spindle speed of 19,000 rpm. The same limit applies to high-humidity spinning rooms above 65% RH because the hygroscopic mercerized cotton fraction swells and the film migrates into drafting aprons. Yarn tensile values are verified to ISO 2062:2009 at 500 mm/min gauge length and 0.5 cN/tex pretension. Compliance screening for this route requires an OEKO-TEX ECO PASSPORT certificate covering ZDHC MRSL v3.1, with APEO and NPEO below 100 mg/kg. Terminal products are mercerized blended shirting, bed sheeting, and uniform poplin.
On high-speed warp-knitting lines operating at 2,400 courses/min, the oil film deposited on mercerized blended warp yarn must survive the cumulative frictional work of guide bars, sinkers, and knock-over bits. HOD-29 is applied by lick roller at 0.5–1.0% by weight on warp yarn before beaming; the emulsion is prepared with demineralised water at 1:5 dilution and adjusted to pH 6.0–7.0 to avoid destabilising the non-ionic/anionic emulsifier package. Needle surface temperature measured by infrared pyrometer at the trick wall remains below 160°C when the film is intact; if the add-on drops below 0.3%, the same position exceeds 190°C and dust from fragmented cotton fibrils accumulates in the guide-bar slots. Mist and volatile emissions are checked against VDI 2083 cleanroom air classification where the fabric enters automotive headliner lamination; any silicone-free formulation claim must be verified by ICP-OES detection of silicon below 5 mg/kg. Terminal articles from this process segment include sports mesh, mattress ticking, and warp-knitted automotive headliner fabric.
When 28-gauge single-jersey circular machines run mercerized cotton/polyester yarn above 35 rpm cylinder speed, latch needle shank-to-trick wall contact becomes the main needle-wear site. HOD-29 is applied to cone yarn via motorised spray or waxing head at 1.5–2.5% owf, with 24-hour conditioning at 25±2°C and 50±5% RH before knitting. The dried oil film must maintain a static coefficient of friction below 0.28 by ASTM D1894-14; higher values correlate with needle butt fracture and misgating on multi-feeder machines. A process window within ±5°C of conditioning temperature is critical because the mixed-oil film viscosity changes steeply with temperature, reducing tack consistency at the needle closure. Knitting trials on 3,000-unit needle lots show that consumption of the oil film at the latch pivot increases the occurrence of drop stitches and vertical needle lines in greige fabric. Compliance for circular knitting includes ZDHC MRSL v3.1 Section 4.1 for mineral oil hydrocarbons and absence of chlorinated paraffins by GC-ECD. Terminal products are single-jersey bodywear, leggings, polo fabric, and mercerized interlock shells.
Directly after caustic recovery and neutralisation on a mercerizing range, the mercerized blended woven fabric enters a stenter frame at residual moisture 18–22% and requires a non-yellowing re-lubricating film that does not interfere with reactive dye fixation. HOD-29 is metered into the pad mangle at 0.3–0.8 g/L in the final rinse bath; pickup is controlled at 60–80% by horizontal padder nip pressure of 2–4 bar. The emulsion droplet size distribution measured by laser diffraction at D90 remains below 10 μm to prevent oil spots on the greige surface. Fabric residual oil after padding is verified by solvent extraction and gravimetric determination according to ISO 10147; values above 0.6% owf reduce reactive dye uptake in subsequent pad-steam fixation. The lubricant film also functions as a fiber-slip agent during overfeeding into the stenter, reducing fabric micro-strain and skew. GOTS 7.0 input approval applies when the final article is certified organic fiber; the formulator must confirm no formaldehyde-releasing preservative above 10 mg/kg. Terminal fabrics are mercerized chambray, poplin, voile, and batiste.
Under steel/cotton calender nip loads between 80 N/mm² and 150 N/mm², the oil film on mercerized blended fabric shifts from hydrodynamic separation to mixed boundary contact, and fiber damage appears as glaze lines if the lubricant solid add-on is below 0.4% by weight. HOD-29 is applied on the fabric surface by kiss-roll or spray before the calender at 0.4–0.8% solid add-on, with the emulsion diluted to 1:8 using demineralised water. Bowl surface temperature is held between 90°C and 120°C; above 130°C, low-molecular-weight oil fractions volatilise and leave a sticky residue on the steel bowl, measured by surface profilometry as roughness change above 0.3 μm Ra. Fabric smoothness is assessed by ISO 25178 areal surface metrology and by Kawabata surface friction mean MIU below 0.20, while fabric gloss is controlled by ASTM D523-14 at 60° geometry. Compliance screening includes OEKO-TEX Standard 100 Annex 4 Class II for home textiles; if the final fabric is for mattress ticking, flame-retardant synergist systems must be checked for compatibility. Terminal articles are calendered bed linen, curtain interlining, and high-density down-proof shell fabric.
At the garment assembly stage, a mercerized blended core-spun sewing thread carries boundary lubrication demands at needle temperatures between 180°C and 220°C during 5,500 stitches/min lockstitch operation. HOD-29 is applied to the thread by a felt wick at 0.8–1.2% by weight after dyed-thread winding; the thin film reduces needle-to-thread friction without causing migration into the surrounding dyed fabric. Seam strength is evaluated by ISO 13935-1:2014; seam pucker is graded by AATCC 88B after 5 home launderings. The oil system must resist thermal breakdown at the needle eye, with a flash point above 180°C determined by ISO 2719 Pensky-Martens. Compatibility with garment dyeing requires that residual thread lubricant be removed under neutral scouring before pigment or reactive garment dyeing; published data for HOD-29 in low-liquor garment dyeing at 1:3 liquor ratio is limited, so a production-scale trial is required before dark shade runs. Compliance screening for this route includes REACH Candidate List SVHC screening by gas chromatography-mass spectrometry at 1 mg/kg reporting limit. Terminal products include mercerized blended denim garments, upholstered seating covers, and automotive seat fabrics.
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Product HOD-29 is identified as a nonionic/weak anionic mixed-oil emulsion designed for application to mercerized blended woven and knitted fabrics at the pad-dry-cure stage. The product comprises a paraffinic mineral oil and fatty acid ester base with a nonionic emulsifier package and a polydimethylsiloxane fraction below 10 % by mass, according to the manufacturer’s compositional disclosure. Its primary technical function is reduction of fiber-to-metal and fiber-to-fiber friction after caustic mercerization, where cellulosic fibrillation and stiffening can increase needle cutting and stitch-hole damage. HOD-29 is supplied as a water-dispersible concentrate with a recommended bath concentration of 20–40 g/L in padding and 1.0–3.0 % owf in exhaust finishing. Product selection is specific to blends containing mercerized cotton or regenerated cellulosic components combined with polyester or polyamide; it is not formulated as a pure silicone softener or as a high-yellowing amino-silicone macroemulsion.
On mercerized 65/35 cotton/polyester poplin, conventional amino-silicone macroemulsions produce high surface slip but can exhibit heat-induced yellowing at pad-dry-cure temperatures above 150 °C, particularly when residual alkali is present. Fatty acid ester softeners provide a dry, soft hand but lower surface slip and limited needle penetration force reduction. HOD-29 uses a mixed oil system in which the silicone fraction is below 10 % by mass, sufficient to reduce friction but low enough to limit yellowing. In comparative finishing trials at a wet pickup of 70 % and cure at 160 °C for 90 s, the CIE whiteness change measured according to ISO 11475:2017 was below 2.0 ΔE for HOD-29, while an amino-silicone macroemulsion at equal solids produced a ΔE shift of 4.0–6.5 under the same conditions. Wet crockfastness measured by ISO 105-X12:2016 remained at grade 4–5 on HOD-29-treated fabric, whereas the amino-silicone control fell to grade 3–4. Needle penetration force reduction was determined on a Juki DDL-9000 lockstitch machine fitted with a DBx1 #75 needle and a load cell at 4000 stitches/min; HOD-29 reduced peak needle penetration force by 12–18 % relative to untreated fabric, compared with 15–22 % for amino-silicone and 4–8 % for a fatty acid ester softener.
| Property | Test method or equipment | HOD-29 | Amino-silicone macroemulsion | Fatty acid ester softener |
|---|---|---|---|---|
| Heat yellowing after cure at 160 °C for 90 s | ISO 11475:2017 | ΔE < 2.0 | ΔE 4.0–6.5 | ΔE < 1.5 |
| Wet crockfastness at 30 g/L | ISO 105-X12:2016 | grade 4–5 | grade 3–4 | grade 4 |
| Hand smoothness rating | ISO 17299-2:2014 panel, paired comparison | 4.0 | 4.5 | 2.5 |
| Hand dryness rating | ISO 17299-2:2014 panel, paired comparison | 3.5 | 2.0 | 4.0 |
| Needle penetration force reduction | Juki DDL-9000 lockstitch, DBx1 #75, 4000 stitches/min | 12–18 % | 15–22 % | 4–8 % |
Lot-release specifications for HOD-29 are controlled for the parameters listed below. Values are manufacturer’s lot-release ranges and are verified by the current certificate of analysis at the time of shipment. The viscosity specification is intentionally narrow because product below 150 mPa·s may exhibit shear instability in high-turbulence pad troughs, while product above 300 mPa·s may require additional dilution and can accumulate on doctor blades.
| Property | Release range | Method or equipment |
|---|---|---|
| Appearance | off-white to pale yellow translucent liquid | visual, 25 °C |
| pH of 10 g/L dispersion | 5.5–7.0 | ISO 4316:1977 |
| Dynamic viscosity at 25 °C | 150–300 mPa·s | ISO 2555:2018, Brookfield LV spindle 2, 60 rpm |
| Density at 20 °C | 0.98–1.02 g/cm³ | ISO 2811-1:2016 |
| Non-volatile content | 27–31 % w/w | ISO 3251:2019, 105 °C, 2 h |
| Dispersion in deionized water | self-dispersing; translucent to slightly milky at 30 g/L | visual, 25 °C |
| Ionic character | nonionic/weak anionic | supplier charge-demand titration |
| Recommended storage | 5–35 °C in sealed HDPE or 316L stainless steel | supplier stability protocol |
In pad-bath formulation, HOD-29 is compatible with nonionic wetting agents, optical brighteners, acrylic binders, and low-formaldehyde or formaldehyde-free DMDHEU resin systems at pH 5.5–7.0. It should not be formulated with strong cationic quaternary amines or cationic amino-silicone emulsions; mixing of anionic and cationic charges in the pad bath can form hydrophobic coacervates that deposit on squeeze rolls. Baths containing more than 20 g/L sodium chloride or Glauber’s salt reduce cold-water dispersion stability and should be avoided unless a pre-dispersion trial is conducted with turbidity monitoring.
On production lines running mercerized cotton-polyester twill at 60–80 m/min, residual sodium hydroxide from the mercerization range is the most common cause of pad-bath instability. After neutralization and washing, fabric extract pH values above 8.0 can saponify the fatty acid ester fraction of HOD-29. The resulting free fatty acid reacts with calcium present in hard water to form insoluble soap deposits that accumulate on pad rollers and doctor blades. The failure mode is visible as a white, greasy film at the edges of the squeeze rolls and is often misclassified as silicone build-up. Process control requires fabric extract pH below 7.0 before the pad; where necessary, a neutralizing rinse with 0.5–1.0 g/L acetic acid at 40–50 °C is maintained in the last wash box. The pad bath is held at 25–35 °C; higher temperatures reduce viscosity and increase foam formation, while lower temperatures slow emulsifier hydration. Pad trough turnover should be kept below 45 min at 30 g/L to limit shear-induced creaming. If the pad trough has an impeller-type stirrer, speed is maintained at 200–300 rpm; high-shear dispersers above 1500 rpm are not used because they can shear the mixed-oil droplets and increase filtrate turbidity. For high-speed pad lines above 80 m/min, published data for this specific configuration is limited; a 1-hour circulation trial with turbidity measurement is advised before full-scale start-up.
For tubular mercerized cotton-spandex single jersey, HOD-29 is applied at 1.5–2.5 % owf in a wet-on-wet process after mercerization neutralization. The product disperses in cold water at 20–30 °C without pre-emulsification, but predilution at 1:3 with water before addition to the trough is recommended when the trough is fed by an automatic dosing pump. On compacting or open-width stenter lines, the bath is maintained at 20–40 g/L; application at 60–70 % pickup is followed by loop dryer or stentering at 120–140 °C. For woven mercerized blended shirting, a low dosage of 15–25 g/L is used when a subsequent resin finish is present; higher dosages above 35 g/L can reduce fabric air permeability as measured by ISO 9237:1995 by 5–10 % compared with untreated fabric.
If the water supply contains total hardness above 200 mg/L CaCO₃, the fatty acid ester component can form insoluble calcium soaps if the bath pH drifts above 7.5. The resulting deposit is distinct from ordinary lint: it is sticky, water-insoluble after drying, and adheres to the last squeeze roll. A chelating agent such as ethylenediaminetetraacetic acid tetrasodium salt at 0.2–0.5 g/L or a polyphosphate stabilizer is used in hard-water regions; however, excess chelating agent above 1.0 g/L can destabilize the weak anionic emulsion. Batch-to-batch variance in water hardness is monitored by titration with EDTA according to ISO 6059:1984. When hardness exceeds 300 mg/L CaCO₃, a pre-emulsion step with softened water is specified: the required HOD-29 is mixed with softened water at 1:3 for 10–15 min using a low-shear propeller at 200–300 rpm before transfer to the pad trough.
Transfer lines should be flushed with warm water at 35–40 °C after each lot. Product residues allowed to dry on doctor blades form a varnish-like film that is removable with nonionic surfactant at 2–3 g/L and warm water; chlorinated solvents are not required. Filtration of the pad bath through a 50 µm stainless steel mesh removes lint and migrated fiber fragments without stripping the emulsion. Dosing tanks constructed from HDPE or 316L stainless steel are preferred; mild steel should be avoided because iron ions promote oxidative discoloration during high-temperature curing.
Under EU REACH Regulation (EC) No 1907/2006, the supplier’s safety data sheet for HOD-29 lists no substances of very high concern above 0.1 % w/w in accordance with Article 33. The product is declared APEO-free by EN ISO 18254-1:2016, with alkylphenol ethoxylates not detected above 10 mg/kg. Formaldehyde content is not expected above 10 mg/kg by ISO 14184-1:2011, and no chlorinated solvents are intentionally added. For ZDHC MRSL v3.1 compliance screening, the supplier provides a Level 1 or Level 2 chemical inventory disclosure for the product, but formulators must verify that the complete pad-bath recipe does not introduce MRSL-listed substances from other components. OEKO-TEX Standard 100 certification of the finished mercerized blended fabric is not automatically conferred by HOD-29; certification depends on the whole chemical mix, dyes, and mechanical processing. The product is not intended for direct food-contact textiles unless the finished article is subsequently assessed under 21 CFR 177.2800 or a comparable migration test.
At storage temperatures below 5 °C, the viscosity of HOD-29 rises sufficiently to reduce pump metering accuracy; the product is restored to 20–25 °C with slow recirculation before use. Prolonged storage above 35 °C accelerates separation of the mineral oil and ester phases; a visible clear top layer indicates phase separation and should not be redispersed by high shear. If a settled layer is observed, the material is rejected or returned to the supplier; routine lots are stable for 12 months in sealed containers. The product has not been classified as flammable under standard textile auxiliary storage criteria; however, local ventilation is required when open drums are heated above 30 °C.
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