| HS Code | 499797 |
| Density | 1.01 g/cm³ at 23°C |
| Bulk Density | 0.50 g/cm³ approx. |
| Melting Point | 176-178°C |
| Water Absorption 24h At 23 C | 0.1% |
| Tensile Strength | 40 MPa |
| Elongation At Break | 300% |
| Shore Hardness | 75 Shore D |
| Impact Strength | No break |
| Abrasion Resistance | High, typical sand-fall loss < 80 mg |
| Electrical Resistivity | 1 × 10^12 Ω·cm |
As an accredited Evonik VESTOSINT® 1101 white Polyamide 12 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied as a fine white powder in 25 kg multi-layer paper bags with polyethylene liner, ensuring dry, contamination-free delivery. |
| Container Loading (20′ FCL) | 20′ FCL shipment of Evonik VESTOSINT® 1101 white Polyamide 12 powder, packed on pallets, containerized and secured for safe transport. |
| Shipping | Ship Evonik VESTOSINT® 1101 white Polyamide 12 as non-hazardous powder in sealed, moisture-proof containers. Keep dry, avoid extreme heat and ignition sources. Use sturdy, labeled packaging with proper documentation. Standard ground or freight transport is suitable; protect from punctures and contamination during handling. |
| Storage | Store Evonik VESTOSINT® 1101 white Polyamide 12 in its original, tightly sealed container in a cool, dry, well-ventilated area. Protect from moisture, direct sunlight, and heat sources. Keep away from oxidizing agents. Under these conditions, the product remains stable for at least 12 months from delivery. |
| Shelf Life | Shelf life is typically 2 years when stored sealed, dry, and cool, maintaining optimal flow and coating performance. |
VESTOSINT® 1101 white is a polyamide 12 powder supplied for dry-blend, fluidized-bed, electrostatic spray, flame-spray, and textile coating operations. Supplier technical data list a melting range of 176–180 °C when determined according to ISO 3146, and laser diffraction particle size analysis is reported according to ISO 13320. Bulk density is commonly specified in the range 0.55–0.70 g/cm³; incoming quality control checks on coating lines typically include moisture content by ISO 15512 and melt flow rate by ISO 1133-1:2022 where flow-based processing is used. The five downstream sections below correspond to established industrial routes rather than end-market promotion. Processing parameters are based on production-scale equipment behavior, supplier technical bulletins, and public test methods, and limitations are stated where process boundaries exist.
In commercial warewashing operations, steel wire racks are exposed to alkaline detergents at continuous-use temperatures between 60 °C and 85 °C, and the coated wire must resist chipping when loaded with ceramic plates and stainless utensils. VESTOSINT® 1101 white is processed as a 100 wt% powder feed for natural white dip coatings; if color adjustment is required for OEM branding, an inorganic pigment masterbatch based on a PA12 carrier is added at 2–5 wt%. Compliance for food-contact warewashing baskets is evaluated under FDA 21 CFR 177.1500 for nylon resins and under EU Regulation (EU) No 10/2011, while commercial food equipment materials are additionally screened to NSF/ANSI 51 where specified by the appliance manufacturer. The production sequence begins with alkaline degreasing, rinse, and oven drying, followed by grit blasting to ISO 8501-1 Sa 2½ with a surface profile of 50–80 µm. The rack is then preheated in a convection oven to 300–360 °C; this preheat band is maintained within ±5 °C because lower temperatures produce insufficient melt sintering at the wire surface, while higher temperatures cause oxidative yellowing and sagging at vertical wire intersections. The preheated rack is dipped into a fluidized bed operating at air pressure 0.3–0.6 bar through a porous sintered plate; dip time of 3–10 s yields a fused coating thickness of 300–600 µm depending on wire diameter and rack mass. After withdrawal, the rack is post-cured at 170–190 °C for 5–10 min to complete coalescence. Residual moisture in the powder is controlled below 0.1% before fluidization; when ambient relative humidity exceeds 60%, the powder is pre-dried at 80 °C for 4 h in a desiccant dryer. Coating adhesion is verified by cross-cut testing according to ISO 2409, and salt spray resistance is evaluated under ISO 9227 with test duration set by the appliance OEM. Production-scale failure modes include pinhole formation from outgassing moisture, edge pull-back at sharp wire intersections, and entrapped air in double-wire welded nodes; these are mitigated by preheating uniformity and by maintaining compressed air dew point below -40 °C. The terminal coated articles are wire racks and baskets for commercial dishwashers, glasswashers, and warewashing systems used in food service and institutional kitchens.
Because electrostatic powder application is selected when coating thickness must remain below 250 µm and Faraday cage penetration into internal threads or clip recesses is a process constraint, PA12 powder systems are processed with corona-charging spray guns set to 60–100 kV on automotive metal fasteners, spring wire, and pipe clamps. The topcoat formulation consists of 100 wt% VESTOSINT® 1101 white as supplied; reclaimed powder is limited to 10–20 wt% of fresh material to control particle size distribution and charge-to-mass ratio, because excessive fines increase powder pickup rate and produce orange peel. The substrate is prepared by zinc phosphating or by applying an epoxy primer at 20–80 µm dry film thickness, followed by bake-off degassing at 180 °C for 20 min. The PA12 topcoat is applied in an electrostatic booth maintained at 45–55% relative humidity and 20–25 °C; gun-to-target distance is held at 100–250 mm, and powder output is set at 80–150 g/min. After deposition, the parts are cured at 180–200 °C for 10–20 min metal temperature. Compliance is verified against ISO 9227 neutral salt spray exposure, ISO 2409 or ASTM D3359 cross-cut adhesion, and ISO 6272 impact resistance, with OEM-specific corrosion thresholds for underbody and engine-compartment hardware. Terminal finished products include automotive spring wire, brake hose clips, cable guides, and metal pipe clamps used in chassis and powertrain installations.
Textile converters use PA12 powder where fusible interlining constructions must withstand washing and dry cleaning without delamination. The required process-related compliance is generally established through OEKO-TEX Standard 100 Class II skin-contact certification for textile auxiliaries, together with REACH substance restrictions for the European market. Formulation addition rate depends on coating method: dry powder scatter coating applies VESTOSINT® 1101 white at 15–40 g/m² as a 100 wt% powder layer, while rotary screen paste printing uses a water-based paste containing 60–70 wt% VESTOSINT® 1101 white, 3–5 wt% dispersing agent, and 25–35 wt% water and thickener. The dry powder process deposits the powder through an engraved roller onto a nonwoven or woven interlining substrate at a line speed of 15–30 m/min; the coated web then passes through a sintering oven at 170–190 °C for 20–60 s, during which the particles soften and bond to the textile surface. In paste printing, the paste is applied through a rotary screen with 14–30 dots/cm, dried at 120–140 °C, and sintered under the same thermal conditions. At garment making, the interlining is fused to the shell fabric at 130–150 °C, 1.5–2.5 bar pressure, and 10–15 s dwell time. Bond strength and durability are tested according to ISO 2411 for coated fabric adhesion and ISO 6330 washing procedures; production lines reject add-on weights below 15 g/m² for insufficient bond and above 40 g/m² for strike-through on lightweight shell fabrics. Terminal finished products are fusible interlinings used in collars, cuffs, waistbands, and front panels of woven and knitted garments.
At addition levels between 5 wt% and 15 wt% of total powder coating formulation, VESTOSINT® 1101 white functions as a dry-blend texturing agent in epoxy and epoxy-polyester hybrid topcoats, producing a matte, fine-grained surface without the use of silica extenders. The addition range is bounded by a process cliff edge: below 5 wt% texture formation is insufficient and the cured film remains above 60 gloss units at 60° under ISO 2813, while above 15 wt% the PA12 phase reduces melt flow to the point where film continuity over a 3 mm cylindrical mandrel may fail under ISO 1519. Published independent comparative data for this exact grade across all base powder coating resins is limited; the stated window is derived from supplier technical guidance and production-scale screening, and must be revalidated per base resin and curing agent. The powder is first dry-blended with the base powder coating in a high-shear mixer at 1,000–2,000 rpm for 3–5 min, then melt-mixed in a twin-screw extruder with an L/D ratio between 25:1 and 40:1, zone temperatures between 90 °C and 110 °C, screw speed 200–400 rpm, and throughput adjusted to maintain torque below the extruder manufacturer’s limit. The extrudate is cooled, milled, and sieved to a maximum particle size below 100 µm; corona electrostatic spray application is performed at 60–80 kV, and the coating is cured at 180–200 °C for 10–20 min metal temperature. Coating performance is assessed by ISO 2813 specular gloss, ASTM D4060 Taber abrasion with CS-10 wheels at 1,000 g load, ISO 1519 flexibility, and ISO 6272 impact resistance. Qualicoat Class 1 or Class 2 approval is relevant for architectural aluminum applications where the final coating system is applied by an approved applicator. Terminal finished products include textured control panels, office furniture components, laboratory enclosures, and architectural aluminum profiles where low-gloss durable surfaces are specified.
Flame-sprayed PA12 linings are used where buried or submerged steel pipe spools, field joints, and valve bodies require impact-resistant corrosion protection. The powder feed for the topcoat is 100 wt% VESTOSINT® 1101 white; a liquid epoxy primer is applied on the blast-cleaned steel at 20–80 µm dry film thickness before the PA12 layer is deposited at 300–600 µm. Where buried pipe coating work is executed, the project specification typically references ISO 21809-1 or a company-specific pipe coating standard; surface preparation is anchored to ISO 8501-1, and the specified blast grade is Sa 2½ with a surface profile of 50–100 µm. The steel is preheated to 150–180 °C before flame spraying; the powder is fed with compressed air at 0.3–0.6 bar through an oxy-fuel gun, and the spray overlap is maintained between 30% and 50% to avoid shadowed or unbonded edges. After deposition, holiday detection is performed at 3–5 kV per ASTM D5162 or the purchaser’s project specification. Adhesion is measured by pull-off testing under ISO 4624, and long-term corrosion resistance is evaluated by ISO 9227 neutral salt spray. Preheating above 210 °C must be avoided because oxidation causes discoloration and a reduction in impact toughness; powder moisture must be below 0.1% to prevent bubble defects. The process is suitable for pipe spools, flange faces, valve bodies, and pump casings in chemical process and municipal water installations where mechanical damage to fusion-bonded epoxy would otherwise be expected.
Competitive Evonik VESTOSINT® 1101 white Polyamide 12 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Evonik VESTOSINT® 1101 white is a polyamide 12-based thermoplastic coating powder supplied for fluidised-bed dip coating, electrostatic spray deposition, minicoat repair, and sinter-coating of metal components. The semicrystalline PA 12 matrix exhibits a solid-state density in the range of 1.01–1.02 g/cm³ measured by ISO 1183-1, a melting peak typically reported between 175 °C and 180 °C under ISO 3146, and lower equilibrium moisture uptake than PA 6 and PA 66 coating powders at 23 °C/50 % RH per ISO 62. The white pigmentation system distinguishes the grade from natural and carbon-black-modified VESTOSINT® variants and provides high diffuse reflectance for light-coloured dishwasher baskets, wire goods, conveyor components, architectural fittings, and appliance parts. The powder is intended for protective films that combine abrasion resistance, chemical resistance, and low-temperature impact toughness derived from the PA 12 backbone.
Certificates of analysis for VESTOSINT® 1101 white typically report particle-size distribution, bulk density, melting peak, moisture content, and melt viscosity. The principal test methods used in lot certification and in downstream quality control are summarised below. Typical values are chemistry- and milling-dependent; the lot-specific certificate of analysis governs acceptance for production.
| Property | Test method | Certification relevance |
|---|---|---|
| Solid-state density | ISO 1183-1 | Coating weight and coverage calculation |
| Melting peak | ISO 3146 / ISO 11357-3 | Preheat and post-cure temperature window |
| Particle-size distribution D10/D50/D90 | ISO 13320-1 | Fluidisation behaviour, transfer efficiency, film build |
| Bulk density | ISO 60 | Hopper discharge, powder transport, fluidised-bed expansion |
| Melt volume-flow rate | ISO 1133-1 | Sag resistance and levelling on vertical surfaces |
| Water absorption | ISO 62 | Drying requirement and moisture-driven bubble risk |
| Hardness | ASTM D2240 / ISO 2039-2 | Coating surface durability and abrasion response |
For fluidised-bed application of VESTOSINT® 1101 white, the particle-size distribution exerts a stronger influence on process stability than the melting peak alone. Manufacturer certificate data for this grade commonly place the median diameter in the 100–120 µm range, with D10 and D90 fractions reported near 50–70 µm and 160–190 µm, respectively, using laser diffraction. When the sub-32 µm fines content exceeds 10 wt%, air-plate fluidisation degrades because interparticle cohesive forces begin to dominate the drag force at superficial air velocities below 0.2 m/s. On industrial porous-plate beds with plenum pressures of 30–60 mbar, a stable dense-phase expansion of 15–25 % over settled bed height is typically achieved at 0.3–0.6 m/s. Oversized particles above 250 µm increase film roughness and can produce pinholes on sharp radii; production facilities therefore screen recovered powder through 63 µm or 125 µm sieves before blending with virgin material.
Electrostatic spray lines consume the same powder in a different charging mode. For corona spray equipment operated at 60–80 kV negative polarity, the white-pigmented surface of VESTOSINT® 1101 white retains charge differently from carbon-black-modified grades. The higher powder resistivity requires control of relative humidity between 30 % RH and 60 % RH. Below 30 % RH, charge accumulation on transport lines can cause back-ionisation and orange-peel defects; above 60 % RH, surface moisture reduces transfer efficiency and promotes agglomeration in the delivery hose. Booth recovery ratios above 90 % are feasible when reclaimed powder is blended with virgin powder at a ratio not exceeding 30 wt% reclaimed to virgin, because repeated impact during cyclone recovery shifts the particle-size distribution toward fines and lowers bulk density.
Differences between VESTOSINT® 1101 white and other VESTOSINT® coating powders arise from pigmentation, particle-size distribution, and melt-viscosity tuning. Carbon-black-pigmented PA 12 powders exhibit lower volume resistivity and are often selected for tribo-charging lines or for components requiring static-dissipative surfaces. The white grade is not inherently static-dissipative and should not be specified where surface resistivity below 10⁹ Ω/sq measured by ASTM D257 is required. Ultra-fine VESTOSINT® fractions with median diameters below 60 µm are preferred for thin-film electrostatic spray coatings below 150 µm; the coarser 1101 fraction is selected for thick protective films of 250–500 µm on dishwasher baskets, cooling racks, rebar, and pipe fittings where edge coverage and impact resistance are critical.
Compared with PA 11 coating powders, the PA 12 chemistry of VESTOSINT® 1101 white generally exhibits lower equilibrium moisture absorption and a slightly lower melting point, which can reduce energy consumption in multi-stage curing ovens. PA 11 may retain an advantage in certain low-temperature impact and vegetal-oil resistance applications, so the choice between PA 11 and PA 12 should be based on the chemical exposure and mechanical load profile of the finished article. In powder coating operations, these differences appear as melt-flow behaviour and recoat adhesion. At a melt temperature of 220–235 °C, the melt volume-flow rate measured under ISO 1133-1 is adjusted by the supplier for coating-grade levelling; values in the low-viscosity region allow films of 250–500 µm to level without excessive sag on vertical surfaces. Preheat temperatures above 350 °C may cause oxidative yellowing of the white grade, measured as a Δb colour shift by ISO 7724-3 exceeding 2.0.
Substrate preparation governs the final performance difference between white, natural, and black-pigmented films. On steel wire goods used in dishwasher baskets, the degreasing or phosphate pretreatment must produce a water-break-free surface; otherwise, VESTOSINT® 1101 white films of 250–350 µm may blister after 500 h of neutral salt spray per ISO 9227. Weld spatter, sharp burrs, or silicone residues create local adhesion failures because the fused PA 12 layer cannot bridge contaminant films. Grit blasting to Sa 2½ per ISO 8501-1 is preferred for structural steel before thick-film application. This requirement is independent of powder colour but becomes more visible on white coatings because surface defects and adhesion losses create higher contrast against the bright film.
The semicrystalline PA 12 matrix of VESTOSINT® 1101 white equilibrates with ambient moisture. At 23 °C/50 % RH, the equilibrium water uptake of PA 12 is lower than that of PA 6 and PA 66, but powder stored in open containers at high humidity can exceed 0.5 wt% moisture as measured by Karl Fischer titration under ISO 15512. Moisture contents above 0.1–0.2 wt% reduce effective melt viscosity during sintering and generate steam-driven bubbles in films thicker than 300 µm. The powder should be dried in a desiccant-air hopper dryer at 80 °C for 4–6 h when ambient relative humidity exceeds 60 %. Vacuum drying at 70 °C and 50 mbar is equally effective for smaller batches. Recovered powder from fluidised-bed booths should be re-dried if the line has been idle for more than 8 h.
Residence time in the fluidised bed and post-cure oven must be controlled to avoid thermal degradation and colour drift. At oven air temperatures above 300 °C, the white pigmentation shields the PA 12 resin from UV exposure but not from oxidative attack. Prolonged post-cure beyond 10 min at 180 °C can shift melt viscosity upward through polycondensation or oxidative crosslinking. Operators measure melt volume-flow rate before and after conditioning to quantify this shift; a reduction of more than 20 % from the virgin value indicates that the reclaimed material has exceeded its thermal history limit and should not be returned to critical appearance areas. Forced-air ovens with temperature uniformity of ± 5 °C reduce the risk of localised yellowing, while infrared ovens require line-speed adjustment based on part mass.
Chemical compatibility with additives must be verified before blending because the amide functionality of PA 12 can interact with reactive species at melt temperature. Published data for amine-functional adhesion promoters in VESTOSINT® 1101 white is limited; screening is required before combining the powder with amino-silanes or amine-based additives to avoid local gelation, yellowing, or melt-viscosity instability. For food-contact and potable-water service, compliance must be established on the coated article rather than on the powder alone. The base PA 12 resin may be assessed under FDA 21 CFR 177.1500 for nylon resins and under EU Regulation (EU) No 10/2011 for plastics intended for food contact, but the final coating system, including primers and topcoats, must be considered. Neutral salt-spray resistance of steel panels coated at 350–400 µm film thickness commonly exceeds 1,000 h under ISO 9227 when pretreatment and edge coverage are defect-free. The grade is not designed for continuous immersion in concentrated strong acids or phenolic-based solvents at elevated temperatures.
