| HS Code | 800673 |
| Product Name | Arkema ORGASOL 2002 ES3 Nat 3 |
| Material | Polyamide 12 (PA12) |
| Physical Form | Powder |
| Color | Natural (Nat 3) |
| Melting Point | 178 °C |
| Density | 1.02 g/cm³ |
| Bulk Density | 0.44 g/cm³ |
| Particle Size D50 | 30 µm |
| Tensile Strength | 46 MPa |
| Tensile Modulus | 1700 MPa |
| Elongation At Break | 30% |
| Charpy Impact Strength | 5 kJ/m² |
| Water Absorption | 0.3% |
As an accredited Arkema ORGASOL 2002 ES3 Nat 3 Polyamide 12 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied in 20 kg sealed bags as fine polyamide 12 powder, ensuring safe handling and product integrity. |
| Container Loading (20′ FCL) | One 20′ FCL container loaded with Arkema ORGASOL 2002 ES3 Nat 3 Polyamide 12, securely packed and ready for export shipment. |
| Shipping | Ship Arkema ORGASOL 2002 ES3 Nat 3 Polyamide 12 as non-hazardous polymer powder. Use grounded, dry containers or FIBCs in clean, ventilated trucks. Protect from moisture, heat, and contamination. Keep away from ignition sources. No special dangerous goods classification required under standard conditions, but follow safe handling and packaging protocols. |
| Storage | Store ORGASOL 2002 ES3 Nat 3 Polyamide 12 in its original, unopened container in a cool, dry, well-ventilated area. Keep away from heat, open flames, and ignition sources. Protect from moisture and direct sunlight. Ensure containers are tightly sealed when not in use to prevent contamination and dust accumulation. |
| Shelf Life | Under proper storage conditions, the shelf life is typically 3 years from the manufacturing date, ensuring stability for cosmetic use. |
Coil coating formulations based on solventborne polyester binders use ORGASOL 2002 ES3 Nat 3 as a particulate matting and slip component on thin-gauge metal substrates. The material is a polyamide 12 powder with a median particle size of approximately 20 µm and a melting range of 173–178°C. Addition is normally made into the letdown phase at 3–8 wt% on total binder solids, after the pigment concentrate has shown a fineness below 15 µm when measured according to ISO 1524. A high-speed dissolver fitted with a Cowles blade is operated at 15–20 m/s tip speed for 15–25 min; insufficient shear leaves soft agglomerates that appear as gloss specking after roll application. The coating is applied at 18–25 µm dry film thickness and cured at a peak metal temperature of 216–232°C. Because the polyamide 12 melting point lies below the coil cure window, the particles undergo partial deformation but remain as discrete domains due to high melt viscosity. This produces a low-gloss, textured surface with reduced abrasion damage during metal blanking and roll forming. Gloss is evaluated in accordance with EN 13523-2 at 60°, pencil hardness in accordance with EN 13523-9, and flexibility in accordance with EN 13523-7 T-bend. In coil lines operating with peak metal temperatures above 230°C, the powder may flow excessively and reduce the matting effect; a reduction in addition level or a shift to a larger particle-size grade is then required. Because polyamide 12 has a lower density than silica, settling is generally slower in low-viscosity coil formulations, but storage stability must still be confirmed by viscosity and fineness checks after storage at 50°C for 30 days. End products include pre-painted architectural cladding, appliance cabinet wraps, and garage door slat stock.
Radiation-cured furniture coatings incorporate the powder by post-addition to the acrylate oligomer and monomer phase at 1–5 wt% of total formulation weight after the oligomer has been heated to 40–50°C to reduce viscosity. A laboratory dissolver or production cowles unit is run at 10–15 m/s tip speed for 15–20 min; the batch temperature should not exceed 45°C because prolonged high-shear heating can initiate thermal radical formation in undispersed photoinitiator concentrates. The dispersion is then checked by ISO 1524 fineness gauge; agglomerate counts above 20 µm indicate that the addition sequence or shear input must be adjusted. Application is performed by roller coater or vacuum coater at 15–30 g/m² wet film weight on flat panels. Curing is carried out with a gallium-doped mercury arc or LED array at 350–400 nm; the polyamide 12 particles are not UV screens at these wavelengths and do not require adjustment of standard photoinitiator dosage. The cured surface has reduced gloss because the particles protrude through the thin film, and scratch resistance is assessed with ISO 1518-1. Cross-cut adhesion is checked with ISO 2409; above 6 wt% loading, the risk of intercoat adhesion loss rises in two-coat UV systems because the particles concentrate at the interface and reduce receptive surface area. Cationic UV formulations require separate screening because residual amide or amine functionality in the polyamide 12 surface can alter the photoacid-generated cure profile. End products include UV-sealed flat-pack furniture, engineered wood flooring, and decorative hardwood panels.
Low-VOC metal decorating overprint varnishes on tinplate and aluminium closures require the powder to be pre-dispersed into the vehicle at 0.5–2.0 wt% based on total varnish weight using a three-roll mill or a horizontal bead mill charged with 0.6–0.8 mm yttria-stabilized zirconia beads. The pre-dispersion step is necessary because direct addition to a high-speed dissolver at production viscosity leads to air entrainment and variable film appearance on sheet-fed metal decorating lines. Application viscosity is controlled at 60–120 s with an ISO 6 flow cup according to ISO 2431. The powder contributes slip and metal-to-metal scratch resistance after baking without interfering with the required solvent resistance of epoxy-phenolic systems measured by ASTM D5402 methyl ethyl ketone rubs. Cure schedules are typically 190–205°C for 10–12 min for epoxy-phenolic or 180–200°C for polyester-melamine varnishes; at these temperatures the polyamide 12 particles partially deform, but the phase-separated domains continue to provide surface slip. If the powder is exposed to relative humidity above 60% before dispersion, microfoam can develop in roller-coated films; pre-drying at 60–70°C for 4–6 h is then required. For food-contact can ends, the formulated varnish must be tested under EU Regulation 10/2011 for overall migration and specific migration limits, because the addition of a polyamide powder changes the barrier characteristics of the organic coating and may affect global migration into aqueous and fatty simulants. Published data for this specific grade in food-contact can-end varnishes is limited; migration testing on the cured varnish remains mandatory. End products include tinplate can ends, aerosol domes, crown corks, and aluminium closure sheet.
For anhydrous pressed powder and loose powder systems, the powder is handled as a particulate sensory modifier rather than a binder or pigment. ORGASOL 2002 ES3 Nat 3 has a near-spherical polyamide 12 particle morphology that reduces the coefficient of friction between cosmetic particles during blending and pressing; typical use levels in pressed face powders range from 1–8 wt%, while loose setting powders may carry 3–10 wt% depending on the desired dry slip and mattifying character. The powder does not contribute binding strength, so compact integrity must be supplied by the binder phase. The powder is added to the pigment mixture in a ribbon blender or horizontal ploughshare mixer at 20–40 rpm for 10–15 min; for wet-processed formulations, it is dispersed in cyclomethicone or isododecane under low shear before drying. Pressing is performed on hydraulic compacting presses with pan-specific force settings; the manufacturer’s powder datasheet lists bulk density in the 0.30–0.45 g/cm³ range, which requires adjustment of fill volume relative to talc or mica formulas. Microbiological quality is maintained under ISO 22716 GMP, and preserved systems are evaluated by challenge test according to ISO 11930. The powder is not a preservative and does not contribute antimicrobial activity; preservation must be provided by the approved cosmetic preservative system. For EU market placement, the formulation falls under the scope of the REACH microplastic restriction in Regulation (EU) 2023/2055 unless a specific exemption or derogation applies; this regulatory status must be confirmed before commercial launch. Terminal products include pressed face powders, loose powders, dry shampoos, and anhydrous bronzer formulations.
Dry-blended polyamide 12 powder is used in thermosetting polyester powder coatings when corona charging creates excessive back-ionization on complex extrusions. ORGASOL 2002 ES3 Nat 3 is incorporated at 0.1–0.8 wt% by post-mixing in a Henschel mixer at 800–1200 rpm for 3–5 min after the extruded chip has been micronized and classified. The addition produces a shift in tribo-charge acceptance and can reduce the severity of back-ionization pinholes when the powder is applied to vertical aluminium profiles with deep grooves and folded edges. The dry blend must be checked for particle size distribution in accordance with ISO 8130-1; segregation during dense-phase pneumatic transfer is a known failure mode when the additive is not sufficiently bonded to the powder-coating surface. Ambient relative humidity above 60% during Henschel post-mixing can lead to moisture uptake on the polyamide 12 surface and should be controlled to avoid fluidization changes. Curing is carried out at 180–200°C for 10–15 min for typical polyester/TGIC or polyester/β-hydroxyalkylamide systems. Because the polyamide 12 melting point is below the cure temperature and the polymer is incompatible with the curing polyester matrix, the particles remain phase-separated and create a controlled texture rather than a homogeneous film. Above 1.0 wt%, the risk of surface seed formation and intercoat adhesion loss increases, particularly on reclaimed powder lines where the lower-density polyamide 12 fraction may concentrate in the recycle stream. Gloss is measured according to ISO 2813, impact resistance according to ISO 6272-1, and adhesion according to ISO 2409. Published data for this specific dry-blended configuration is limited; plant trials are required to establish the charge acceptance envelope for each powder-coating line. End products include architectural aluminium extrusions, aluminium panels, and powder-coated steel furniture components.
Solventborne flexographic and gravure inks for film and paper-based packaging incorporate ORGASOL 2002 ES3 Nat 3 at 0.5–3.0 wt% of the finished ink mass to provide anti-blocking and slip after solvent evaporation. The additive is best introduced as a pre-dispersion in the letdown solvent or a compatible varnish, then passed through a horizontal bead mill charged with 0.6–0.8 mm zirconia beads; direct addition into the finished ink at the press side can cause roller streaking and inconsistent film gloss. For laminating inks, the polyamide 12 particles create a micro-roughened surface that improves the coefficient of friction measured on the printed film according to ASTM D1894. Blocking resistance of stacked reels is evaluated by the converter under controlled load and temperature conditions; no single ISO standard applies to all laminate structures, so the pass/fail criterion is set by the end-use packaging specification. Food-contact printed materials must be assessed under EU Regulation 10/2011, and low-migration UV or solventborne inks may need to verify that the polyamide 12 grade does not increase extractable fractions after lamination. Storage of printed film reels below 40°C reduces blocking tendency, but the effect is dosage-dependent and can be lost if the ink film is over-varnished with a low-viscosity coating that wets out the surface topography. Dispersion stability in high-ester or ketone-based solvent systems should be monitored because the polyamide 12 particle surface can adsorb wetting agents and shift viscosity during extended press runs. End products include flexible food-packaging laminates, paper sacks, labels, and shrink-sleeve films.
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Arkema ORGASOL 2002 ES3 Nat 3 is a natural-colour polyamide 12 (PA12) micropowder belonging to the ORGASOL 2002 particle-size class. The product is supplied as a fine, free-flowing powder with a nominal mean particle diameter of 20 µm by laser diffraction according to ISO 13320. The base PA12 can be characterized by a density of 1.01–1.03 g/cm³ at 23 °C under ISO 1183-1 and by a melting range of 176 °C to 180 °C under ISO 11357-3. The ES3 suffix denotes a supplier-specific surface-treatment and stabilization package, and Nat 3 identifies the unpigmented natural tone. Because the surface-treatment composition is not fully disclosed in the public technical data sheet, replacing the product with another ORGASOL variant should be preceded by a dose-response study in the intended binder.
| Parameter | Representative range or class | Measurement basis |
|---|---|---|
| Mean particle size | 20 µm | ISO 13320 laser diffraction |
| Melting range | 176 °C–180 °C | ISO 11357-3 differential scanning calorimetry |
| Density at 23 °C | 1.01–1.03 g/cm³ | ISO 1183-1 |
| Bulk density | 0.40–0.50 g/cm³ | ISO 60; lot-specific |
| Equilibrium moisture at 23 °C, 50 % RH | 0.4–0.6 % | ISO 62 |
| Appearance | natural white powder | visual assessment against supplier reference |
ORGASOL 2002 ES3 Nat 3 functions mainly as an organic structural particle for controlled surface roughness. In solventborne acrylic, alkyd, and polyester topcoats, the spherical or near-spherical particles protrude from the cured film to scatter light, rather than relying on high internal porosity and surface silanol groups as do precipitated silicas. The difference is visible in viscosity and gloss measurements. Low-shear viscosity can be compared with a cone-plate rheometer at 0.1 s⁻¹ and 1000 s⁻¹ under ISO 2884-2; gloss reduction is quantified at 60° under ISO 2813. At addition levels between 5 wt% and 15 wt% in coatings with dry film thickness above 25 µm, a measurable gloss reduction is typically obtained, but the exact response depends on binder solids, pigment volume concentration, and cure schedule. Published data for the ES3 Nat 3 grade in all binder chemistries is limited; laboratory disperser trials on the target formulation remain the most reliable basis for setting the use level.
On a coil-coating line, the powder is commonly introduced as a let-down component after the millbase has been dispersed. A Cowles-blade disperser operating at 12–18 m/s tip speed can incorporate the powder into a medium-solids polyester or polyurethane topcoat within 15 min. Batch temperatures above 50 °C should be controlled because the PA12 glass transition is reported near 50 °C, and high mechanical shear above the glass transition may increase particle deformation. The final textured effect is also sensitive to film shrinkage during solvent evaporation; coil lines with peak metal temperatures below 160 °C normally preserve particle structure, while lines exceeding 180 °C risk partial coalescence of the additive. In high-speed reverse-roller coating trials, the D90 of the powder has a larger effect on visual texture than small changes in line speed; published data for this specific configuration is limited, and pilot evaluation on 0.5 L batches is advisable.
In UV-curable clearcoats, the powder is usually dispersed in the oligomer phase before photoinitiator addition. A high-speed disperser equipped with a polypropylene or stainless-steel blade should be used; grinding with dense ceramic media can cause particle deformation and reduce texture. The recommended dispersion temperature is below 40 °C to prevent darkening of the photoinitiator system and to maintain particle integrity. Gloss of the cured film is measured at 60° under ISO 2813; addition levels of 3–8 wt% are reported in technical literature for low-gloss UV finishes, though published data for ES3 Nat 3 specifically is limited.
The nominal 20 µm mean is not a complete specification. Formulators should request D10, D50, and D90 values from the lot certificate under ISO 13320. A shift in D90 from 30 µm to 40 µm can visibly alter the texture of a 25 µm dry-film topcoat. Bulk density shifts can also affect gravimetric side-feeding; if the powder is metered through a twin-screw side feeder on a compounding extruder, lot-to-lot variations should trigger a feeder recalibration check. On extruders with L/D ratios from 36 to 44, the powder is generally side-fed downstream of the melting zone to preserve discrete particles in masterbatch production. The particle-size distribution width is controlled, but published data for the full span of the ES3 Nat 3 grade is limited; batch-specific D90 and D10 data are more useful than mean size alone for texture-critical formulations.
Compared with PA6 or PA66 micropowders, PA12 absorbs less equilibrium moisture at standard ambient conditions. At 23 °C and 50 % RH, PA12 equilibrium moisture is in the range of 0.4–0.6 %, while PA6 can exceed 2.5 % under the same conditions. This difference reduces moisture-related viscosity drift in moisture-sensitive coatings and lowers the required drying effort before melt compounding. In thermoplastic powder-coating premixes, lower moisture uptake also reduces extruder venting load and the risk of pinholes in the cured film. Chemical resistance of PA12 against aliphatic hydrocarbons and common oils is generally good, but aromatic hydrocarbons, phenols, and strong oxidizers can attack or swell the polymer at elevated temperatures. Resistance testing should be performed with ISO 2812-1 on the finished coating rather than inferred from the resin alone.
In powder-coating manufacture, the PA12 particles can remain solid if extruder barrel set points are kept between 90 °C and 110 °C. Under these conditions, ORGASOL 2002 ES3 Nat 3 behaves as a textured filler after the extrudate is ground and sieved. If barrel set points exceed 180 °C, the PA12 particles may deform or disperse into the matrix, reducing low-gloss topography after cure. Screw configuration matters; high-shear kneading blocks can add 10–15 °C of local melt-temperature rise above barrel set points. Actual melt temperature should be measured with an immersion thermocouple rather than inferred from zone controllers. Pre-drying the powder at 80 °C for 4 h in a desiccant dryer is recommended when moisture content exceeds 0.2 wt% as measured by ISO 15512. In stoving cycles at 200 °C for 10 min, partial flow of the additive is plausible; matting retention should be confirmed on cured panels with ISO 2813 at 60°.
Avoid combining the powder with strong amine-functional adhesion promoters in high-temperature melt formulations above 200 °C, because amine species may accelerate amide discolouration or degradation. In liquid coatings, alkaline additives can shift the electrostatic charge of the powder and alter dispersion stability; compatibility should be screened before production. The product is storage-stable in sealed original containers for at least 12 months from the supplier’s date of manufacture when kept below 40 °C, but actual shelf-life should be confirmed on the lot certificate.
Regulatory acceptance is formulation-specific. The supplier safety data sheet should be used to confirm the REACH registration status of monomers and surface-treatment components; the polymer itself is generally exempt from registration under Article 2(9) of Regulation (EC) No 1907/2006. Heavy-metal screening for RoHS can be performed by XRF spectrometry under IEC 62321-3-1:2013. Food-contact use is not granted automatically; finished-article migration testing under EU Regulation (EU) No 10/2011 or FDA 21 CFR is required for specific applications. No SVHC above 0.1 wt% should be assumed without supplier declaration.
Storage should be in sealed containers at 20–30 °C and 40–60 % RH. Although PA12 is less hygroscopic than PA6, high-humidity warehouses above 60 % RH can promote surface moisture pickup that may affect flowability through gravimetric feeders. Hopper agitation or mechanical bridge-breakers may be required at feed rates below 2 kg/h. As with all organic powders of this particle size, dust-cloud explosion properties should be assessed for new bulk-handling installations under EN 14034-1 and EN 14034-2.
Within the Arkema ORGASOL 2002 family, the ES3 Nat 3 grade is differentiated from other 20 µm variants by surface treatment rather than by base chemistry. The UD and ES3 suffixes are not interchangeable in all binder families; dispersion rate, suspension stability, and dry-flow behaviour can differ. Because the exact surface chemistry is supplier know-how, the most reliable differentiation is a side-by-side disperser test in the target formulation with ISO 2813 gloss, fineness-of-grind measurement under ISO 1524, and visual settlement after storage at 40 °C for 4 weeks. The resulting dose-response curve is product-specific and should not be transferred from another ORGASOL grade.
In pressed and loose cosmetic powders, ORGASOL 2002 ES3 Nat 3 can function as a structural particle to modify skin friction and compressibility. These effects are commonly evaluated by trained sensory panels rather than ISO or ASTM methods. The natural tone and low chroma interfere minimally with pale colour formulations, but the powder is not a direct substitute for porous talcs where high oil absorption or coverage is required. Dry blending in a V-blender or ribbon blender should be validated for segregation because the 20 µm particles may stratify when blended with fillers of much smaller or larger diameter.
