| HS Code | 300050 |
| Product Name | Arkema Rilsan Fine Powders 5158 GREY RDP 15-10 FB PA11 |
| Material | Polyamide 11 (PA11) |
| Form | Fine powder |
| Color | Grey |
| Particle Size | 10-15 µm |
| Specific Gravity | 1.03 |
| Bulk Density | 0.50 g/cm³ |
| Melting Point | 186 °C |
| Glass Transition Temperature | 45 °C |
| Tensile Strength | 55 MPa |
| Elongation At Break | 300% |
| Shore D Hardness | 70 |
| Water Absorption 24 H | 1.1% |
| Impact Strength | Very high / no break |
As an accredited Arkema Rilsan Fine Powders 5158 GREY RDP 15-10 FB PA11 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 20 kg bag of Arkema Rilsan Fine Powders 5158 GREY RDP 15-10 FB PA11, grey polyamide 11 powder. |
| Container Loading (20′ FCL) | 20′ FCL: Arkema Rilsan Fine Powders 5158 GREY RDP 15-10 FB PA11 loaded on pallets, secured, and containerized for safe transport. |
| Shipping | Arkema Rilsan Fine Powders 5158 GREY RDP 15-10 FB PA11 ship as a fine powder in sealed multi-wall bags or fiber drums. Keep containers dry, away from heat, sparks, or open flame. Protect from moisture and physical damage. Standard truck or container freight is suitable; grounding is recommended during loading to prevent static discharge. |
| Storage | Store in a cool, dry, well-ventilated area, away from direct sunlight, heat, and ignition sources. Keep the original container tightly sealed to prevent moisture absorption, which can affect powder flow and performance. Avoid dust accumulation and ensure proper grounding against static discharge. Follow local regulations; use within recommended shelf life to maintain properties. |
| Shelf Life | Shelf life is typically 2 years when stored unopened in original, dry packaging at moderate temperatures. |
On automotive body-bracket coating lines using rotary indexing ovens, Arkema Rilsan Fine Powders 5158 GREY RDP 15-10 FB PA11 is charged at 60–80 kV corona to sheet steel preheated to 280–320°C; zone control separates outgassing at 220°C, powder fusion at 300°C and cure at 195°C. The powder is dry-blended with 2.0–4.0 wt% grey-based pigment masterbatch and 0.3–0.8 wt% fumed silica flow additive. Addition levels above 4.0 wt% produce a measurable drop in Taber abrasion resistance under ASTM D4060-19 (CS-10 wheel, 1000 g load) because local melt-viscosity stratification disrupts spherulite continuity; powder charge-to-mass ratio is held at 1.8–2.5 µC/g because higher values produce back-ionization over zinc-phosphated steel. For a 150–250 µm cured film, corrosion acceptance is evaluated under SAE J2334 cyclic corrosion and GMW14829, with scribe creep below 3.0 mm after 60 cycles. Production-scale failure mode observed on stamped brackets is moisture ingress at shear edges; when burr height exceeds 0.15 mm, the molten film cannot bridge the edge contour and a pinhole path forms at the phosphate interface. Deburring and microcrystalline zinc phosphate are therefore upstream requirements, not coating corrections. The powder is fused at 190–200°C for 3–5 min and quenched with 0.5 m/s air to set spherulite size. Terminal products include brake pipe brackets, spring clips, fuel tank strap retainers and underbody harness clips.
Water contact applications are processed with the powder as a 100% binder; if grey opacity must be adjusted, a 1.5–3.0 wt% inorganic pigment concentrate is dry-blended and subjected to the same extraction testing as the base powder. Organic toners are excluded because migration levels under BS 6920-1:2014 and NSF/ANSI/CAN 61-2023 exposure protocols typically exceed the acceptance threshold for taste and odour. The metallic substrate—cast iron or bronze—is blast-cleaned to Sa 2½ according to ISO 8501-1, then preheated at 300–330°C for 10–18 min before immersion in a fluidized bed operating with fluidizing air at a dew point of -20°C and oil carryover below 0.01 mg/m³. A 300–500 µm film is required because surface roughness above Ra 12.5 µm creates pinhole paths below 250 µm. Post-cure is conducted at 190–210°C for 4–6 min, followed by water quench; the PA11 melting peak near 189°C means the cure window is narrow, and oven overshooting above 220°C causes visible surface oxidation. Field data from centrifugal pump housings show cavitation erosion at impeller trailing edges when the local thickness falls below 250 µm, not because of resin softening but because of hydraulic stress concentration. Terminal finished goods include butterfly valve bodies, centrifugal pump impellers, water meter housings and check-valve discs.
Where 65°C detergent liquor and daily mechanical loading from ceramic tableware act on wire racks, the PA11 fine powder is applied in a two-coat sequence: 10–20 µm liquid primer, then 250–400 µm powder topcoat by fluidized-bed dipping at 270–310°C substrate temperature. The dry blend is set at 96.5–98.0 wt% base resin with 2.0–3.5 wt% inorganic color/opacifier package; no amine or sulfur-bearing additive is present because residual amines elevate water-soluble fractions during FDA 21 CFR 175.300 extraction testing using 24 h distilled water at 49°C and 2 h n-heptane at 49°C. Appliance safety compliance is evaluated under EN 60335-2-5:2015+A1:2020, particularly for insulation of live parts accessible after direct water spillage. The major bottleneck on rack coating lines is particle entrapment in wire crossover joints; therefore the fluidized powder is sieved above 125 µm and the preheated rack is air-lanced before dipping. This issue is specific to open-wire geometries and is not encountered on flat or tubular parts. Terminal products include dishwasher baskets, refrigerator shelves, wire wine racks and cutlery baskets.
Copper bus bar coating with this powder is governed by electrostatic attraction at part edges rather than by resin melting point. The process uses tribo-charging because copper parts generate intense Faraday-cage shielding; the powder is run at 99.0–100 wt% base resin, with a charge-control agent limited to 0.5–1.0 wt% only when transfer efficiency drops below 65%. Preheat is set to 220–260°C for solid copper bars thicker than 4 mm to avoid excessive copper oxide growth while achieving a 250–300 µm insulation layer. Dielectric acceptance follows ASTM D149-20 at 2500 V/s ramp in oil; breakdown values are not accepted below 18 kV/mm after 48 h water immersion at 23°C, and insulation coordination is assessed under IEC 60664-1:2020 Clause 5.2. Operational boundary: rectangular copper edges with radius below 0.5 mm exhibit film thickness collapse below 120 µm under optical cross-section, which reduces partial discharge inception voltage. Edge radius and deburring are therefore drawing-level specifications, not post-coating corrections. Terminal product types include laminated bus bars, battery pack interconnects, terminal blocks and motor phase lead supports.
| Application sector | Primary compliance standard | PA11 blend ratio | Film thickness | Processing limit |
|---|---|---|---|---|
| Automotive brackets and clips | SAE J2334, GMW14829 | 96.0–98.0 wt% PA11 + 2.0–4.0 wt% pigment | 150–250 µm | Preheat 280–320°C; burr height 0.15 mm |
| Water valves and pumps | NSF/ANSI/CAN 61-2023, BS 6920-1:2014 | 100% binder or 1.5–3.0 wt% inorganic pigment | 300–500 µm | Sa 2½ blast; dew point -20°C |
| Dishwasher racks | FDA 21 CFR 175.300, EN 60335-2-5 | 96.5–98.0 wt% PA11 | 250–400 µm | Extraction at 49°C; sieve above 125 µm |
| Bus bars | ASTM D149-20, IEC 60664-1:2020 | 99.0–100 wt% PA11 | 250–300 µm | Edge radius above 0.5 mm |
| Offshore fasteners | NORSOK M-501:2022, ISO 12944-6:2018 | 94.0–96.5 wt% PA11 + 3.5–6.0 wt% inorganic filler | 350–600 µm | -40°C crack resistance; assembly torque |
| Exterior furniture | ISO 16474-2:2013, ASTM G154-23 | 95.0–97.0 wt% PA11 + 3.0–5.0 wt% light-stable pigment | 200–350 µm | UV-A 340; ΔE below 5 |
For bolted steel flanges in ISO 12944-6:2018 C5-H/CS-H environments, the powder is dry-blended at 94.0–96.5 wt% PA11 with 3.5–6.0 wt% inorganic filler to reduce thermal expansion mismatch on thread flanks. The filler also improves low-temperature crack resistance at -40°C; without it, coated studs show brittle cracking in thread roots after repeated impact cycling. NORSOK M-501:2022 qualification for blistering, rust, and edge creeping is the governing compliance instrument; acceptance is checked after 4200 h ISO 9227 salt spray and after cyclic ageing. The parts—carbon steel bolts, studs, pipe clamps—are degreased, blast-cleaned to Sa 2½, primed with a thin zinc-bearing layer where specified, and preheated to 320–340°C for 12–20 min before fluidized-bed dipping. A 350–600 µm film is targeted; above 600 µm, mechanical interference on thread flanks creates chip points during assembly torque. Production failure observations on flange studs show that inadequate preheat at the root of the thread yields local thickness below 200 µm and early red rust along the thread root. Terminal goods include flange bolt sets, pipe clamp assemblies, cable tray hardware and anchor plates.
For exterior furniture and public infrastructure, the coating is not selected for a single corrosion test but for combined UV and solvent exposure. The powder blend is set at 95.0–97.0 wt% PA11 with 3.0–5.0 wt% light-stable inorganic grey pigment package; carbon black-only formulations are avoided because they develop chalking under ASTM G154-23 Cycle 1 UV-A 340 exposure after approximately 1500 h in published PA11 coating studies, although for the specific 5158 GREY RDP 15-10 FB cut published weathering data for this exact configuration is limited and end-use qualification is required. The substrate—galvanized steel tubing or cast aluminum—is sweep-blasted to a profile of 25–50 µm, preheated to 290–310°C, and coated by electrostatic spray at 60–70 kV or fluidized bed for hollow sections. A 200–350 µm film is used, with adhesion tested by ISO 4624:2023 pull-off at not less than 8 MPa on blasted steel. Solvent wiping resistance is assessed with ASTM D6578-13 graffiti remover cycles, while weathering is tested under ISO 16474-2:2013 for 1000 h with colour change below ΔE 5. The processing boundary for hollow sections is heat sink: wall thickness below 2 mm cools below the fusion window before the powder reaches the far side, so longer preheat is required. Terminal products include handrails, bench supports, bollards, lighting poles and cycle stands.
Competitive Arkema Rilsan Fine Powders 5158 GREY RDP 15-10 FB PA11 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8618136850665 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8618136850665
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Arkema Rilsan Fine Powders 5158 Grey RDP 15-10 FB is a pigmented polyamide 11 (PA11) powder supplied as a fine-particle coating material. The polymer is synthesised by polycondensation of 11-aminoundecanoic acid; its repeat unit contains ten methylene groups per amide group, producing a lower amide density than PA6 or PA66 and reducing moisture absorption while retaining flexibility. The 5158 Grey designation identifies a grey-pigmented grade, and the 15-10 FB suffix distinguishes a particle-size and process fraction intended for fused-film deposition on metal substrates. Typical components coated with this powder include pipe fittings, pump impellers, valve springs, dishwasher baskets, automotive fluid-line brackets, seat-belt guides, and cable trays. The powder is applied solvent-free by electrostatic spray or fluidised-bed dipping, then fused by residual heat or oven heating into a continuous PA11 coating.
The PA11 backbone is composed of aliphatic repeating units with a methylene-to-amide ratio of 10:1. The crystalline regions melt at 186–190 °C, while the amorphous fraction contributes impact resistance and elongation. The grey pigmentation system is proprietary; it is designed for batch-to-batch colour stability and does not displace the base PA11 melting endotherm. Powder morphology is irregular to roughly spherical, with particle-size distribution directly controlling fluidisation, electrostatic cloud behaviour, and film-build rate. The 15-10 suffix identifies a controlled sieve/process cut, and the FB suffix indicates fluidised-bed compatibility. Published data for this specific product configuration are limited, and the values in Table 1 represent the Rilsan PA11 fine-powder coating family rather than a single production lot.
| Property | Typical range for Rilsan PA11 fine-powder coating grades | Test method |
|---|---|---|
| Density | 1.03–1.05 g/cm³ | ISO 1183-1:2019 |
| Melting temperature, DSC peak | 186–190 °C | ISO 11357-3:2018 |
| Water absorption, 24 h | 0.3–0.4 % | ISO 62:2008 |
| Elongation at break | >200 % | ISO 527-2:2012 |
| Shore D hardness | 65–70 | ISO 868:2003 |
Gel time is frequently used as a quality-control parameter for fine powders. When measured on a heated plate at 220 °C, Rilsan PA11 fine powders commonly form a tack-free film within 20–60 s. The 5158 grey pigmentation can alter surface resistivity relative to unpigmented PA11; volume resistivity should be checked against ASTM D257 or ISO 60093 when electrostatic charging is critical.
For electrostatic spray application, particle-size distribution controls transfer efficiency, edge coverage, and reclaim performance. Powders with excessive fines below 10 µm exhibit poor charge-to-mass uniformity and can accumulate in booth recovery cyclones. Coarse fractions above 180 µm may penetrate poorly into recessed areas and increase orange peel. Corona guns operating at 80–100 kV with current levels below 100 µA are typical for PA11 powders; tribo systems are also used where deep cavities create Faraday-cage effects. Virgin-to-reclaim ratios of 70:30 to 80:20 are common. Higher reclaim levels raise fines and moisture, leading to pinholing and inconsistent film thickness. Powder hoppers should be fitted with fluidising inserts and sieve screens with mesh apertures of 120–180 µm to break agglomerates. Booth humidity is normally maintained at 50–60 % RH; low humidity promotes charging but can reduce film-thickness control, while higher humidity can cause powder agglomeration and spitting.
Fluidised-bed dip coating converts the powder into a dense-phase cloud using a porous plate, usually sintered ceramic or high-density polyethylene with a pore size between 10 µm and 40 µm. Dry compressed air with a dew point below -40 °C is passed through the plate; superficial gas velocity is set just above minimum fluidisation, typically 0.02–0.05 m/s for PA11 powders with a median particle size near 100 µm. The metal component is preheated until the surface reaches 250–260 °C and then immersed for 2–10 s. The stored heat melts the contacting powder and forms a continuous film. Low-mass parts with wall thickness below 3 mm lose heat rapidly; the transfer from preheat oven to fluidised bed should be shorter than 5 s to prevent the surface from falling below the PA11 melting range. Production-scale equipment fitted with pneumatic axes or robots reduces this transfer-time variability. Channelling, dead zones, and spouting are the primary field failure modes when the air-distribution plate is partially blocked or when the powder bed contains compacted fines.
| Process variable | Representative range for PA11 fine powders | Equipment or standard |
|---|---|---|
| Preheat oven air temperature | 250–300 °C | Forced-convection or convection-IR tunnel |
| Substrate surface temperature at immersion | 220–260 °C | Contact pyrometer |
| Fluidising air dew point | below -40 °C | ISO 8573-1 Class 2 |
| Immersion time | 2–10 s | Pneumatic axis or robot |
| Post-fusion oven temperature | 200–230 °C | Forced convection |
| Fused film thickness | 200–500 µm | ISO 2808:2019 |
The values in Table 2 are representative starting points for steel parts with wall thicknesses of 5–10 mm. Heavier sections require higher preheat air temperatures or longer furnace residence, while thin sections may overheat if the oven set point exceeds 280 °C.
Fusion and levelling of PA11 are thermally driven. The peak melting endotherm at 186–190 °C requires that the coated surface remain above this temperature long enough for particle sintering and pore elimination. Oxidative degradation in air becomes measurable above approximately 260 °C over extended dwell times. The practical cure window is therefore mass-dependent: low-mass tubes track the oven air temperature quickly but can overheat, while heavy flanges retain heat longer but require more time for complete fusion. Forced-convection ovens provide a heat transfer coefficient in the range of 25–50 W/m²·K, whereas infrared-only zones create shadowed areas on complex geometries. A two-stage cure profile is commonly used: a melt-and-level stage at 240–260 °C for 2–5 min, followed by an annealing stage at 210–230 °C for 5–10 min. The grey pigment may increase infrared absorption relative to natural PA11, but ovens with mixed convection and IR should be verified by contact thermocouple or pyrometer. Degree of fusion can be assessed by microtome cross-section and reflected-light microscopy; residual particle boundaries indicate under-cure. Differential scanning calorimetry of the fused coating should show a single melting endotherm approaching the virgin powder enthalpy when full fusion has occurred.
Chemical immersion testing is performed according to ISO 2812-1. PA11 coatings resist salt solutions, aliphatic hydrocarbons, oils, and many industrial fluids at temperatures up to 60 °C. Strong mineral acids, cresol, and polar solvents attack the amide bond or swell the coating; service boundaries should be validated on coated panels using the exact production substrate preparation. For carbon steel, grit blasting to a surface profile of 40–70 µm followed by zinc phosphate or primer pretreatment produces the highest practical adhesion. Pull-off adhesion tested according to ISO 4624 commonly exceeds 5 MPa on properly pretreated PA11-coated steel, but published data for this specific product configuration are limited. Taber abrasion measured with CS-17 wheels and a 1 kg load according to ASTM D4060-19 is commonly reported between 10 mg and 20 mg weight loss per 1,000 cycles for fused PA11 coatings. Dielectric strength tested by ASTM D149 can exceed 20 kV/mm for a 200 µm dry film, but moisture ingress reduces breakdown voltage.
The powder is registered under REACH EC 1907/2006. No intentionally added substances of very high concern are present above the communication threshold of 0.1 % by weight. RoHS Directive 2011/65/EU applies to finished electrical and electronic equipment; the grey pigmentation package must be checked against lot documentation if the coated component falls within the directive. Under CLP Regulation EC 1272/2008, the powder is not classified as hazardous in the supplied form, but fine organic dust can form an explosive cloud. Dust control, housekeeping, and ventilation should follow ATEX Directive 2014/34/EU and NFPA 654. The powder contains no volatile organic compounds, which reduces solvent-emission burden compared with liquid polyamide coatings under the EU Solvent Emissions Directive 1999/13/EC. For food-contact use, PA11 may meet FDA 21 CFR 177.1500 for nylon resins under specified extraction conditions, but the grey pigment and any external primer or topcoat require separate compliance confirmation.
In comparison with PA12 fine powders, this PA11 grade typically exhibits a higher melting point and higher elevated-temperature stiffness, while PA12 offers lower equilibrium moisture absorption and may be preferred for dimensional stability in humid conditions. Compared with PA6 or PA66 powders, PA11 has lower density, reduced moisture regain, and higher elongation, making it suited to metal coatings subject to thermal cycling. Within the Rilsan fine-powder family, the 5158 Grey RDP 15-10 FB designation differs from natural and black grades primarily by its particle-size band and pigmentation package; grey pigmentation can alter electrostatic charging and infrared absorption, so process settings should not be transferred from natural PA11 without verification.
