| HS Code | 212930 |
| Product | Arkema ORGASOL 2002 ES5 NAT 3 Polyamide 12 |
| Chemical Family | Polyamide 12 (PA12) |
| Physical Form | Fine white powder |
| Particle Size D50 | 20 µm |
| Particle Size D90 | 40 µm |
| Bulk Density | 0.30 g/cm³ |
| Specific Gravity | 1.02 g/cm³ |
| Melting Point | 178 °C |
| Moisture Content | ≤0.5% |
| Water Absorption 24h | 1.2% |
| Tensile Strength | 45 MPa |
| Elongation At Break | 250% |
| Solubility | Insoluble in water |
| Surface Texture | Smooth and matte |
| Linear Thermal Expansion | 100 µm/m·K |
As an accredited Arkema ORGASOL 2002 ES5 NAT 3 Polyamide 12 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Arkema ORGASOL 2002 ES5 NAT 3 polyamide 12: 25 kg sealed bags, labeled with product and batch details on each. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): A 20-foot full container load of Arkema ORGASOL 2002 ES5 NAT 3 Polyamide 12, securely packed and stowed for transport. |
| Shipping | Ship as non-hazardous polymer powder in sealed, moisture-proof containers. Avoid exposure to humidity and extreme heat. Ensure proper grounding against static discharge. Store in a cool, dry area, and protect from physical damage during transit. Standard freight with adequate ventilation is suitable. |
| Storage | Store Arkema ORGASOL 2002 ES5 NAT 3 Polyamide 12 in its original, sealed container in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight, moisture, and temperatures above 40°C. Keep away from ignition sources and strong oxidizers. Minimize dust generation and use suitable protective equipment when handling. |
| Shelf Life | Shelf life is typically 2 years from production date when stored unopened in a cool, dry place. |
Solventborne two-component polyurethane and high-solids alkyd coating lines that require matting without increasing apparent viscosity beyond application limits are frequently evaluated with Arkema ORGASOL 2002 ES5 NAT 3 Polyamide 12, a sphericity-controlled fine powder with a median particle diameter in the 20 µm range. The material is post-added or pre-dispersed at 2% to 8% by total resin solids as a partial replacement for silica flatting agents, with the ratio determined by target 60° gloss under ASTM D523-14 and viscosity confirmed by ISO 2884-1:2006. In two-component polyurethane topcoats, the powder remains a discrete particle below the 175°C melting range, contributing surface texture without entering into the isocyanate-hydroxyl network. Production-scale dispersion uses a Cowles high-shear disperser with tip speed maintained between 12 m/s and 18 m/s for 10–15 min; operation above 18 m/s introduces frictional heat sufficient to soften the particle in the dispersion zone unless a cooling jacket or pulsed mixing cycle is applied. A Hegman grind gauge reading between 25 µm and 35 µm is used to monitor particle separation, and oversized readings indicate partial wetting, insufficient solvent loss control, or shortened premix hold time after resin addition. Compliance pathways include REACH (EC) No 1907/2006, EU Directive 2004/42/EC for limited-VOC formulations, and durability verification under ASTM D4060-19 Taber abrasion and ISO 15184:2020 pencil hardness. Terminal product types include low-gloss metal furniture topcoats, anti-glare equipment housing enamels, architectural extrusion coatings, and two-component industrial primers requiring dry-to-handle performance without silicaceous flatting paste.
UV offset inks and overprint varnishes present a macrorheological constraint in which low matting agent density can cause powder migration to film surfaces and variable scuff resistance if the particle size distribution is not controlled. Addition of ORGASOL 2002 ES5 NAT 3 Polyamide 12 at 0.5% to 3.0% by weight of the formulated ink modifies surface haze without replacing the bulk thixotropy of a polar resin system. The powder is introduced either during the mill pass or as a pre-dispersed paste in reactive acrylate monomer, with triple-roll mills set to a nip gap in the 5–15 µm range; bead mills using zirconia media from 0.8 mm to 1.2 mm require rotor-speed reductions when the slurry temperature approaches 60°C to prevent agglomerate formation and roller marking. Cure response is referenced to ASTM D5402-19 solvent rubs, and print density and color stability are verified against ISO 12647-2:2013 with spectral measurement conducted under ISO 13655:2017. Compliance for packaging ink supply is typically documented under EuPIA Good Manufacturing Practices, REACH (EC) No 1907/2006, and Swiss Ordinance SR 817.023.21 where printed food-contact surfaces are involved. Operational limits include the polyamide particle’s low density relative to common extenders; draft angles in ink pans and return lines must be adjusted to avoid dead-zone sedimentation in long-run offset presses. Terminal products include matte overprint varnishes, folding carton inks, narrow-web label inks, and UV-curable coatings for plastic credit cards and loyalty cards requiring scuff-resistant low-gloss decoration.
Within topical anhydrous powder formulations and water-in-oil emulsions, a sphericity-controlled Polyamide 12 particle with median diameter near 20 µm functions as a tactile modifier, binding agent, and soft-focus opacifier without the crosslinked elastomer microsphere profile. The addition level in loose and pressed powders ranges from 0.5% to 10% by weight; emulsions and dispersions more commonly use 0.1% to 3% because higher loadings can reduce wetting uniformity and alter spreading. Processing involves dry blending in ribbon mixers or low-shear V-blenders before compaction at 5–15 MPa in pressed powder presses; emulsion incorporation is conducted by pre-dispersing the powder in the oil phase prior to homogenization. Thermal handling remains below 160°C because the polyamide softening point is approached at higher temperatures, and extended rotor-stator homogenization at high tip speed may break the spherical particle morphology. Compliance is governed by EC 1223/2009, manufacturing hygiene under ISO 22716:2007, and microbiological limits under ISO 17516:2014; the ingredient is listed under the INCI designation NYLON-12. Terminal finished product types include pressed bronzing powders, loose foundation, anhydrous color cosmetics, skin care emulsions, and sun care formulations where a non-tacky skin feel and low visible residue are required.
Powder coating lines operating with thermoset polyester/epoxy or polyester/Primid systems often introduce a fine Polyamide 12 powder at the post-extrusion dry-blend stage to produce matte or structured finishes with reduced gloss sensitivity to film thickness. The addition range is 0.2% to 2.5% by total powder weight; above 2.5%, edge coverage and rapid-deformation impact toughness frequently fall below specification. The powder is tumble-blended using a low-shear vertical mixer at 10–20 rpm for 3–8 min; extended blending beyond 10 min can generate tribocharge that causes clumping, uneven fluidization, and electrostatic spray deposition defects. In electrostatic spraying with a corona gun operating at 60–100 kV, the low-density particle follows the powder cloud but its dielectric behavior requires adjustment of gun voltage and air pressure set points to avoid back-ionization and orange-peel defects. Baked film testing uses ISO 6272-2 rapid-deformation impact, ASTM D2794-93(2019), gloss measurement under ISO 2813, cross-cut adhesion under ISO 2409, and particle size distribution control under ISO 8130-13:2019. Architectural aluminum compliance is documented against Qualicoat 2.0 and AAMA 2604-23, while general industrial coatings are assessed under REACH (EC) No 1907/2006. Terminal products include textured architectural profiles, matte office furniture, and automotive interior trim components where low gloss and stable batch-to-batch texture are jointly specified.
When two-part epoxy or polyurethane adhesives are dispensed for structural assembly, an unfused Polyamide 12 powder with a narrow particle size distribution serves as a non-reactive spacer that prevents bond line collapse under clamping. The addition is typically 1% to 5% by weight of mixed adhesive; bond line control in the 20 µm to 80 µm range depends on the particle size fraction selected by sieving. Production-scale mixing is performed in slow-speed planetary or sigma-blade mixers at 10–30 rpm to avoid particle fracture; high-shear rotor-stator mixing is not recommended because it can reduce the effective particle size and shift the minimum bond line. Lap shear strength is validated under EN 1465:2009 or ASTM D1002-10(2019), and failure mode classification follows ISO 10365:1992. Moisture control is monitored under ISO 15512; pre-drying at 80°C for 4 h is used when storage humidity exceeds 60% RH. The powder is generally inert in epoxy systems, but strongly acidic or amine-rich environments at elevated cure temperatures above 120°C may induce surface degradation and should be evaluated by dynamic mechanical analysis before production release. Terminal product types include glass bonding adhesives requiring a minimum sealant thickness for thermal movement, electronic underfills requiring spacing under ball grid array packages, and structural joining compounds used in transportation assembly where compressed bond lines compromise fatigue performance.
Film extrusion trials incorporating fine-powder additives frequently encounter the compromise between film clarity, blocking resistance, and downstream laminating adhesion. When Polyamide 12 powder is incorporated at 0.05% to 0.5% by weight of the skin layer, it creates surface protrusions that interfere with contact between adjacent film layers and reduce blocking under ASTM D1894-14 coefficient-of-friction testing. Masterbatches are produced on twin-screw extruders with L/D 40:1 and melt temperatures held below 240°C; the powder is fed via side feeder to maintain particle identity in the polyamide or polyolefin matrix. In blown and cast film lines, die lip buildup and screen pack pressure increase are monitored because dispersive mixing in the metering zone can break the powder and reduce the anti-blocking surface roughness. Compliance for food contact film requires EU Regulation (EU) No 10/2011 and FDA 21 CFR 177.1500 for nylon resin or applicable migration limits, while mechanical property consistency is assessed using ISO 1133-1:2022 for melt mass-flow rate and ISO 527-3:2018 for film tensile properties. Terminal products include biaxially oriented polyamide/polyethylene laminates, retortable food pouches, and protective interleaving film. Published data for this specific particle-size grade in monolayer blown film is limited; validation therefore proceeds through pilot-line trials rather than extrapolation from silica or talc migration data.
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Arkema ORGASOL 2002 ES5 NAT 3 is a polyamide 12 powder supplied as a natural-coloured, free-flowing particulate with a volume median particle diameter of 20 µm. The numerical designation 2002 identifies the nominal particle-size class; ES5 denotes a surface treatment intended for liquid dispersion; NAT 3 indicates the unpigmented natural grade. The polymer is polylaurolactam, CAS registry number 25038-74-8, produced by ring-opening polymerization of laurolactam or polycondensation of 12-aminododecanoic acid. Compared with polyamide 6 and polyamide 66, the lower amide-group density of polyamide 12 yields lower moisture uptake, lower density, and reduced interaction with polar solvents. The powder consists of spheroidal, non-porous primary particles. The controlled particle shape and narrow distribution are responsible for matting, texturing, and haptic modification in coatings, inks, and cosmetic products.
The ES5 surface treatment is intended to reduce agglomeration and floating when the powder is added to low-viscosity solventborne binders. Unmodified ORGASOL 2002 grades may require longer incorporation or a wetting additive to achieve the same state of dispersion. The treatment alters the particle surface energy rather than the base polymer melting point or density; the melting peak remains in the region of 174–178 °C when measured by differential scanning calorimetry according to ISO 11357-3. In dispersion practice, a high-speed dissolver equipped with a Cowles blade at a tip speed of 8–12 m/s is generally adequate. Attrition milling is not required for particle-size reduction because the powder is supplied near its primary particle size. In solventborne acrylic and polyurethane systems, the final grind gauge reading on a Hegman scale is typically 7 or finer, indicating adequate deagglomeration for thin-film applications.
The matting effect of ORGASOL 2002 ES5 NAT 3 is dominated by surface roughness created by discrete spherical particles at the film surface, not by absorption or binder starvation. The standard specification is a volume median diameter near 20 µm; coarse particles above 40 µm are typically limited because they can create visible protrusions in thin coatings. The particle size is measured by laser diffraction according to ISO 13320-1:2020. When the dry film thickness is 25–40 µm, a 20 µm particle protrudes sufficiently to scatter incident light at the surface, reducing gloss measured at 60° by ISO 2813 or ASTM D523. If the dry film thickness exceeds 60 µm, the particles are increasingly enveloped, and matting efficiency decreases unless loading is raised or a coarser grade is selected. Unlike fumed silica, the non-porous polyamide 12 particle has a surface area well below 10 m²/g. It contributes little thixotropy; therefore, the additive can be used in higher loadings without the same shear-thinning behaviour that characterises fumed silica in clear coats. The trade-off is lower absolute matting efficiency per unit mass, so formulators may combine the powder with silica or precipitated waxes to obtain the target gloss and anti-sag balance.
Production-scale dispersion failures are usually caused by adding the powder too rapidly or by operating a dissolver at high tip speed without sufficient cooling. In a batch without jacket cooling, the temperature can exceed 50 °C within 5–10 min at 15 m/s, depending on resin viscosity. Over-shear and heating produce soft white specks after film application because the polyamide particles deform and may elongate. The corrective action is to cool the batch below 40 °C, reduce tip speed to 8–10 m/s, and add the remaining powder in smaller portions. In waterborne systems, a wetting agent at 0.5–1.0 wt% on powder can reduce floating and hydrophobic agglomeration without increasing foam if the wetting agent is incorporated before the powder.
In solventborne two-component polyurethane topcoats, the powder is typically incorporated at 3–10 wt% on total resin solids. Lower doses produce a fine skin effect; higher doses produce a softer tactile effect and greater hiding of surface defects. The dose must be adjusted to dry film thickness because the particle size approaches the thickness of many industrial topcoats. In UV-curable acrylate formulations, the particles do not absorb strongly at conventional UV curing wavelengths, but high loadings can create local film-thickness variation and reduce surface cure; the cure response should be checked by pendulum hardness according to ISO 1522 or by solvent rub. The grade is used in wood lacquers, industrial clear coats, coil coating primers, radiation-curable systems, and solventborne inks. In high-clarity clear coats where haze below 1% is required when measured by ISO 14782, the 20 µm particles may be unsuitable at loadings above approximately 4–6 wt% because visible texture develops.
The same spheroidal nylon-12 particles are used in cosmetic powders, emulsions, and anhydrous gels under the INCI name Nylon-12. In decorative cosmetics, the 20 µm particle size contributes a rolling, non-tacky skin feel and may reduce the oily after-feel of emollients. Because the particles are non-porous and hydrophobic, absorption of sebum and oil is lower than that of porous silica or starch powders. Formulations for pressed powders often incorporate the grade at 2–10 wt%, but dry-blending can segregate under excessive vibration; compositional uniformity should be verified by optical microscopy or X-ray fluorescence. The product is not a preservative and does not provide UV protection. Cosmetic safety assessment must follow EU Regulation (EC) No 1223/2009. Published data for this specific ES5 surface-treated grade in cosmetic matrices is limited; performance should be confirmed in stability trials.
| Parameter | Typical value or specification range | Reference method |
| Chemical type | Polyamide 12 / polylaurolactam | ISO 1874-1 |
| Volume median particle diameter D50 | 20 µm | ISO 13320-1:2020 |
| Specific gravity at 23 °C | 1.01–1.03 g/cm³ | ISO 1183-1 |
| Melting peak | 174–178 °C | ISO 11357-3 |
| Apparent bulk density | 0.35–0.45 g/cm³ | ISO 60 |
| Moisture content as supplied | ≤0.5% by mass | ISO 15512 |
In coil coating applications, the flash-off and peak metal temperature must be controlled relative to the PA12 melting peak. Thermosetting polyester and polyurethane coil coatings often reach peak metal temperatures above 180 °C. If the film surface remains below 174 °C during the short cure dwell, the discrete particles survive and deliver the intended texture; if the particle is held above its melting onset, it fuses into the coating and gloss rises. Thermal profiling of the oven is therefore required to establish a safe upper temperature and residence-time envelope. In powder coatings, the grade is dry-blended as a post-additive rather than melt-extruded into the binder, because extrusion above 180 °C would melt the polyamide particle. Electrostatic spraying of such textured powders can cause particle segregation; the reclaim system should be assessed for composition drift.
Polyamide 12 has lower moisture uptake than polyamide 6 or polyamide 66, but prolonged storage above 60% relative humidity may increase moisture content beyond 0.5%. For moisture-sensitive two-component polyurethane processing, a tray dryer set at 80 °C for 4 h with dry air at a dew point below -20 °C is a typical corrective step. The powder should be added slowly to the liquid vortex to limit floating and dusting. As a fine organic powder, the grade is a combustible dust; the current safety data sheet should be consulted for the minimum ignition energy, Kst value, and maximum explosion pressure. Conductive earthing and dust extraction should be used where the powder is transferred at high rates. The material is not intended for applications requiring low dust generation at the charging station; local exhaust ventilation may be required to meet workplace exposure limits.
| Regulatory area | Verification point | Document or standard |
| REACH | Polymer exemption generally applies; monomer and surface-treatment registration must be confirmed | SDS Section 3 |
| RoHS 2011/65/EU | No added brominated flame retardants or heavy metals; polymer compliance verified by supplier | Supplier declaration |
| FDA food-contact suitability | Confirm under 21 CFR 177.1500; migration testing where required | FDA listing |
| Cosmetic regulation | INCI name Nylon-12; finished product must comply with EC 1223/2009 | CPSR |
Compared with ORGASOL 2002 D NAT 1, the ES5 surface treatment is selected when low-shear dispersion or floating in low-viscosity solventborne systems is observed; the base particle size and melting point remain similar. Compared with ORGASOL 3501 EXD NAT 1, a smaller median particle size, the 20 µm grade is less suitable for very thin films but produces a coarser texture and may generate less dust in manual weighing. Compared with fumed silica, the polyamide 12 particle produces lower thixotropy and lower oil absorption; it can be added at higher loadings for soft-feel texture without the same viscosity increase, but silica remains more efficient for very low gloss in thin clear coats. The product is not a crosslinker, not a flame retardant, and not a migrating wax; it remains as a discrete particle until the melting region is exceeded. Strong organic acids and certain phenolic antioxidants may induce hydrolysis at elevated temperatures, so compatibility should be checked in long-term storage trials. In high-temperature curing cycles exceeding 180 °C, the powder may soften and coalesce, and the texture effect is lost. In highly polar aqueous media, the hydrophobic particle surface may require an anionic or nonionic dispersing additive to prevent agglomeration.
