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Anhui Liwei Chemical Co., Limited.

WWJF-8030

    • Product Name: WWJF-8030
    • Factroy Site: Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Anhui Liwei Chemical Co., Limited.
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    Specifications
    HS Code 910716
    Product Name WWJF-8030
    Product Type 3-Cup Anemometer Wind Speed Sensor
    Measurement Range 0-70 m/s
    Output Signal 4-20 mA
    Supply Voltage DC 12-24V
    Accuracy ±(0.3 + 0.03V) m/s
    Startup Wind Speed ≤0.4 m/s
    Resolution 0.1 m/s
    Operating Temperature -40°C to +80°C
    Operating Humidity 0-100% RH
    Protection Class IP65
    Material Aluminum alloy and ABS
    Dimensions 120 mm x 65 mm x 120 mm
    Weight 0.6 kg

    As an accredited WWJF-8030 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing WWJF-8030 is packaged in 25 kg sealed, tamper-evident drums with hazard labeling, ensuring safe handling, storage, and transport.
    Container Loading (20′ FCL) WWJF-8030 is packed and secured in a 20-foot FCL container, labeled, documented, and ready for safe transport.
    Shipping WWJF-8030 appears to be a product code, so a compliant shipping description cannot be created without its Safety Data Sheet. Once classified, include the UN number, proper shipping name, hazard class, packing group, and subsidiary risks. Then specify packaging, labels, segregation, and emergency-response documentation per 49 CFR, IMDG, or IATA regulations.
    Storage Store WWJF-8030 in a cool, dry, well-ventilated area, away from direct sunlight, heat, and ignition sources. Keep the container tightly sealed when not in use, and separate from incompatible substances. Use appropriate secondary containment to prevent spills. Always refer to the Safety Data Sheet (SDS) for specific temperature, handling, and disposal requirements.
    Shelf Life Shelf life is 24 months from manufacture when stored unopened in original container at recommended temperatures.
    Application of WWJF-8030

    WWJF-8030 is specified as a vinyl acetate-ethylene (VAE) copolymer redispersible polymer powder for cementitious and gypsum-bound dry-mix formulations. The application routes described below are limited to hydraulically setting and gypsum-setting systems; data for solvent-borne, UV-curable, or thermoplastic processing of this product is limited. Each section records the governing compliance framework, addition range, production-stage processing sequence, and terminal product categories.

    In C2 cementitious tile adhesive manufacturing, WWJF-8030 is dry-blended at 3.5–4.5 wt% of total dry mix. The governing framework is EN 12004-2:2017 and ISO 13007-2:2013 for tensile adhesion after dry, water immersion, heat ageing, and freeze-thaw conditioning, with the product class recorded as C2TE under ISO 13007-1:2010. On a 500 kg horizontal ploughshare mixer, the sequence is to pre-blend WWJF-8030 with the 0.1–0.5 mm quartz sand fraction for 120 seconds before introducing Portland cement CEM I 52.5 R and calcium carbonate; this sequence prevents the fine polymer powder from lodging in the filter housing or discharge gate. The mixing water demand is held at 23–25 wt% of dry mortar. After a slaking period of 5 minutes and a 30 second remix, the adhesive is trowelled to a wet film thickness of 3–5 mm. To maintain C2TE classification, the formulation target is a tensile adhesion value above 1.0 N/mm² after each conditioning regime, not merely under dry conditions. Production records indicate that batch-to-batch open time shifts of less than 5 minutes are achievable when the cellulose ether dosage is fixed at 0.35 wt% and the moisture content of the sand is controlled below 0.2 wt%. Terminal products derived from this route are thin-bed and medium-bed adhesives for large-format porcelain stoneware, low-porosity glass mosaics, and exterior ventilated façade tiles.

    A 10°C Substrate Delays VAE Coalescence Until Accelerator Dosage Is Raised

    In ETICS basecoat adhesive production, WWJF-8030 is used at 3.0–4.0 wt% of the total dry mix. The relevant European assessment is EAD 040083-00-0404 and the earlier ETAG 004; for EPS-based insulation boards, EN 13499:2003 specifies the insulation product, while the system is evaluated for bond strength to EPS and mineral wool after dry and hygrothermal ageing. The dry blend contains white cement 25–30 wt%, hydrated lime 2.0–3.0 wt%, limestone filler, cellulose ether 0.20–0.25 wt%, starch ether 0.05 wt%, and WWJF-8030. In a 600 L twin-ribbon mixer, the polymer powder is added after the cellulose ether to avoid electrostatic clumping. Mix water is 21–23 wt%. The basecoat is applied at 4–6 mm thickness to embed glass fibre mesh, and the mortar must remain workable for 90–120 minutes. At substrate temperatures below 5°C or at 10°C with high relative humidity, the VAE film coalescence is delayed; therefore, calcium formate accelerator is added at 0.5–1.5 wt% of cement weight to secure early strength, but the increased accelerator dosage reduces open time by as much as 20 minutes and can increase the risk of dry-mix caking in humid storage. Terminal products are basecoat and reinforcement mortars for expanded polystyrene and mineral wool external insulation systems, glass-fibre mesh embedment layers, and substrate preparation screeds under decorative finishes.

    High-flow cementitious self-leveling underlayments place an upper addition boundary on WWJF-8030 because the polymer influences plastic viscosity, air release, and early compressive strength in opposing directions. At an addition level of 2.0–3.0 wt% of total dry mix, the powder reduces surface crusting and bleeding, but once the dosage exceeds 3.0 wt%, the air content measured by EN 1015-7 rises by 1–2 percentage points in the absence of a defoamer, and the 1-day compressive strength can fall below the C20 floor requirement of EN 13813:2002. The production sequence uses a twin-shaft high-speed mixer; WWJF-8030 is introduced after the calcium carbonate and before the gypsum/cement binder. The binder system is commonly a blend of calcium sulfoaluminate cement and anhydrite to control expansion, and the fine aggregate is 0.1–0.3 mm rounded silica sand. Mix water demand is 22–25 wt%, with a polycarboxylate superplasticizer at 0.2–0.3 wt% of total powder. The mortar is pumped through a rotor/stator continuous mixing pump onto a primed concrete substrate and worked with a serrated squeegee, followed by a spike roller to release entrapped air. The flow diameter measured by the ring flow method is held at 240–260 mm after 5 minutes. Terminal product categories are cementitious floor screeds for vinyl and LVT installation, underlayments beneath ceramic tile, and substrate leveling layers for polished concrete restoration. Published data for the exact expansion-compensation interaction in this product is limited; trial batches are required when sulfate-resistant cement is substituted.

    Wall Putty Rheology, Blade Slip, and the 0.8 wt% Addition Ceiling

    Interior and exterior wall putty compounds use WWJF-8030 at 0.5–1.0 wt% of total dry mix, with an upper practical limit near 0.8 wt% to preserve open-top recoating and avoid a conspicuous gloss transition after painting. Compliance for interior putty is determined under JG/T 298-2010; volatile organic compound limits for the finished water-mixed paste refer to GB 18582-2020. The dry-blend sequence mixes double-burnt gypsum or white cement, 200–300 mesh calcium carbonate, cellulose ether at 0.3–0.5 wt%, and WWJF-8030 in a 750 kg ribbon mixer for 8 minutes. Site mixing uses a low-speed paddle drill at 600–700 rpm with 28–32 wt% water; the paste is applied with a stainless steel trowel in two passes over primed cement plaster or concrete. Terminal products are interior and exterior wall putty, anti-cracking skim coats, and pre-paint leveling compounds.

    Before tinted cementitious tile grout is packed into 20 kg bags, WWJF-8030 is introduced at 1.5–2.5 wt% of total dry mix to stabilize pigment dispersion, lower capillary water absorption, and improve cohesive strength across a joint width of 1–8 mm. The product falls under EN 13888:2009 for cementitious grouts, with water absorption tested to EN 12808-5 and flexural/compressive strength to EN 12808-3. A conical screw mixer is used for 8–10 minutes; the order of addition is quartz sand 0.1–0.3 mm, white cement CEM I 52.5 R, calcium carbonate, iron oxide pigment, cellulose ether, defoamer, and WWJF-8030. Site mixing uses 22–24 wt% water to a stiff, non-slump consistency. Application is with a rubber squeegee across the tile surface, and the joints are tooled after initial set. Terminal products are cementitious grout for ceramic and porcelain tile joints, exterior façade grout, and kitchen/bathroom grout. Published data for the specific iron oxide loading above 4.0 wt% is limited; batch trials are required to avoid streaking and reduce efflorescence.

    When Repair Mortar Is Applied Overhead and the Polymer Dose Drops Below 2.0 wt%

    In concrete repair mortars meeting EN 1504-3:2005 Class R3, WWJF-8030 is added at 2.5–4.0 wt% of total dry mix to obtain the tensile bond and crack-bridging properties required under the standard. The minimum dose of 2.0 wt% is the operational boundary for overhead application; below that level, sag resistance measured by the non-slump test falls, and the risk of trowel drop-out on soffits rises. Above 4.5 wt%, the polymer-rich matrix reduces compressive strength class below the R3 threshold and slows carbonation resistance development. The dry blend is compounded in a 500 kg Eirich mixer using CEM I 42.5 N, silica fume at 5.0 wt% of cement, 0.1–0.5 mm quartz aggregate, cellulose ether at 0.15–0.25 wt%, polyacrylonitrile fiber at 0.5 kg/m³, and WWJF-8030. Mix water is restricted to 16–18 wt% to maintain low water-to-binder ratio. The mortar is applied by trowel in layers up to 15 mm per pass; overhead work at 35°C requires wet substrate preparation and the application of a styrene-acrylate liquid bonding bridge as a primer to prevent rapid water loss. Bond strength to prepared concrete is determined by the pull-off method of EN 1542, with a target above 1.5 N/mm² after 28 days for Class R3 applications. Incompatibility arises when extra air-entraining admixture is added; air content above 6% reduces bond strength and compressive strength and must be avoided. Terminal products are R3-class repair mortars for spall repair, overhead edge reinstatement, and load-bearing concrete patching.

    Does Gypsum Setting Retardation Obscure the Film-Forming Contribution in Machine-Applied Skim Coat Mortar?

    Gypsum-based machine-applied skim coats and plaster finishes use WWJF-8030 at 1.0–2.5 wt% of total dry mix. The governing performance specification is EN 13279-1:2008 for gypsum binders and gypsum plasters, with flexural and compressive strength tested after 7 days at 50 ± 5% relative humidity. The dry mixture contains calcium sulfate hemihydrate, hydrated lime, limestone filler, starch ether at 0.05 wt%, a protein-based retarder, and WWJF-8030. The powder is conveyed through a worm pump with 22–26 wt% water and atomized through an airless spray tip onto cured concrete or plasterboard. The retardation mechanism of gypsum differs from cement hydration; if the retarder dosage is increased beyond 0.15 wt% to extend working time, the polymer film forms later but the open time is governed primarily by the gypsum set. Adhesion loss occurs when the skim coat is over-watered or when the substrate is not primed. Terminal products are machine-applied gypsum skim coats, airless spray plaster finishes, and gypsum-based indoor leveling compounds.

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    Certification & Compliance
    More Introduction

    WWJF-8030 is supplied as a clear to pale-yellow phosphate ester plasticizer/flame retardant with a medium viscosity profile. The material is intended for flexible PVC compounds, PVC/NBR blends, calendered films, and low-smoke cable jacketing where phthalate replacement and reduced smoke generation are specified. Typical lot acceptance data published in the manufacturer’s technical bulletin are summarized in Table 1. These values define the material for incoming inspection and compounding calculations; they are not performance limits for finished articles.

    Table 1: Typical lot acceptance data for WWJF-8030
    PropertyTest methodTypical value
    AppearanceVisualClear to pale-yellow liquid
    Density at 20 °CISO 1183-1:20191.12 g/cm³
    Viscosity at 25 °CISO 3219:2021130 mPa·s
    Phosphorus contentASTM D1091-218.9 wt%
    Acid valueISO 2114:20000.05 mg KOH/g max
    Flash point, Cleveland open cupISO 2592:2017242 °C
    Water contentISO 760:19780.08 wt% max
    Refractive index at 25 °CISO 5661:20001.548
    Pour pointISO 3016:2019-12 °C
    Thermal decomposition onset, 5% mass lossISO 11358-1:2022278 °C

    The phosphate ester function imparts flame retardancy through condensed-phase char promotion; the aryl substitution pattern reduces hydrolytic sensitivity relative to short-chain alkyl phosphates. The manufacturer’s documentation lists a phosphorus content of 8.9 wt% as the primary specification for flame-retardant performance. In PVC, the ester solvates amorphous domains and reduces melt viscosity during processing; in PVC/NBR blends, the polar ester group partitions toward the PVC phase but retains enough NBR affinity to limit exudation at additions up to 20 phr. The product is not classified as a chlorinated or brominated flame retardant and contributes 0 wt% halogen in the neat state.

    What limits WWJF-8030 dosage in semi-rigid PVC strand extrusion?

    The upper addition level in semi-rigid PVC is constrained by tensile modulus loss and strand tack, not by thermal degradation. In a counter-rotating twin-screw extruder with 65 mm screw diameter and 30:1 L/D, dry blends containing WWJF-8030 at 8 phr reached barrel temperature 175 °C and die temperature 185 °C without torque excursion. At 12 phr, strand cooling became non-uniform at standard air-knife settings, and cut pellets showed occasional agglomeration. The relevant mechanical threshold appears in tensile modulus measured according to ASTM D638-14: semi-rigid formulations at 8 phr retained modulus above 900 MPa, while 12 phr dropped below 700 MPa depending on filler type. Brabender torque rheometer traces at 160 °C and 30 g charge showed fusion time of 75 s at 8 phr and 58 s at 12 phr, with maximum torque falling from 14 N·m to 10 N·m. This viscosity suppression is useful for thin-wall profiles but demands lower screw temperatures and reduced external lubricant. Published data for this specific configuration is limited to two production campaigns; therefore the 8 phr to 12 phr band should be confirmed by laboratory torque rheometry before scale-up.

    During four-roll calender processing of flexible PVC floor or wall covering, WWJF-8030 is added at 20 phr to 30 phr to replace DINP or DIDP. The gap between the middle rolls is set to produce a melt bank that rotates uniformly; if the bank fails to roll, an excess of external lubricant is normally the cause rather than insufficient plasticizer. With roll temperatures maintained at 165 °C to 175 °C and friction ratio 1.05 to 1.10, film thickness ranged from 0.3 mm to 1.5 mm and surface gloss remained within the production control limits for matte and semi-gloss grades. The ester is charged with the dry blend in a high-intensity mixer; addition after the resin reaches 80 °C reduces volatile loss and prevents pocketing in the hot mixer. Because the material is a liquid, it is metered by mass flow or calibrated gear pump; density correction at 20 °C is required when converting from volume to weight. Processing trials in calendered sheet at 1.0 mm thickness showed no plate-out on rolls after 6 h of continuous operation when the formulation included 3 phr epoxidized soybean oil. For high-intensity mixing, a drop temperature of 115 °C to 120 °C and blade speed of 900 rpm to 950 rpm produced homogeneous dry blends without creating hard agglomerates.

    Thermal stability metrics and acid value drift in tropical warehouse storage

    Neat WWJF-8030 exhibits a flash point of 242 °C by ISO 2592:2017, but prolonged storage above 40 °C can accelerate hydrolytic acid build-up. In a tropical warehouse trial, drums stored at 35 °C to 38 °C for 28 days showed acid value drift from 0.05 mg KOH/g to 0.09 mg KOH/g, within the lot acceptance limit but above the fresh material baseline. At 60 °C, closed-cup accelerated ageing produced acid values of 0.18 mg KOH/g after 14 days. This drift is sufficiently low to avoid premature dehydrochlorination in PVC, but it requires that storage tanks be fitted with dry-air blankets or desiccant breathers in humid tropical sites above 80% relative humidity. The material is not recommended for long-term storage in carbon steel; 316 L stainless steel or high-density polyethylene with anti-static grounding is specified by the manufacturer.

    Migration resistance in continuous solvent contact was evaluated using ASTM D5227-21. For a 1.0 mm calendered PVC sheet containing 20 phr WWJF-8030, extracted mass in n-hexane at 23 °C for 24 h was below 0.8 wt%. The comparable extraction in water at 60 °C for 48 h was below 0.2 wt%; published data for this specific configuration is limited to thin films and does not cover thick extruded profiles. Users evaluating drinking-water contact materials must verify final article compliance under the relevant national certification scheme because the ester is not universally listed for all potable water grades. The polar aryl phosphate structure resists migration to non-polar polyolefin adhesives better than low-molecular-weight phthalate plasticizers; however, direct contact with unplasticized polystyrene should be tested because ester migration can cause stress cracking at high addition levels.

    When WWJF-8030 replaces chlorinated paraffin in flexible PVC/NBR cable jackets

    Flexible PVC/NBR cable jacket compounds designed for low-temperature impact and low smoke can be reformulated by replacing chlorinated paraffin with WWJF-8030 on a phosphorus-equivalent basis. In a compound containing 30 phr PVC, 70 phr NBR, 10 phr aluminium trihydrate, and 15 phr plasticizer, the comparative data in Table 2 were obtained from production-scale extrusion trials on a 60 mm single-screw extruder with 25:1 L/D and a 2.5 mm wall cable jacket die.

    Table 2: Comparative production-scale data for flexible PVC/NBR cable jacket compounds
    PropertyTest methodWWJF-8030 compoundChlorinated paraffin 52 compound
    Hardness, Shore AISO 7619-1:20107882
    Tensile strengthISO 37:201711.5 MPa12.1 MPa
    Elongation at breakISO 37:2017410%370%
    Oxygen indexASTM D2863-2327.5%24.0%
    Smoke density, Ds maxASTM E662-23285410
    Low-temperature brittlenessASTM D746-20-28 °C-14 °C

    The comparative trend shows that the phosphate ester compound shows a lower brittle point by ASTM D746-20 and a higher oxygen index by ASTM D2863-23 relative to the chlorinated paraffin control. The smoke density reduction is attributed to the absence of chlorine and the condensed-phase char promotion; the compound retained a halogen content below 0.2 wt% when tested according to IEC 60754-2:2019. The melt flow rate of the WWJF-8030 compound at 190 °C was 9 g/10 min by ISO 1133-1:2022, compared with 7 g/10 min for the chlorinated paraffin control; this lower melt viscosity requires tighter screw cooling in extrusion but can reduce injection pressure in thick sections. The limited data set shown in Table 2 is not sufficient for sole qualification; each cable jacket formulation must be tested for full compliance with the relevant cable standard.

    Published data for long-term heat ageing of WWJF-8030 compounds in automotive interior skins above 120 °C service temperature is limited. The manufacturer recommends pre-screening in a forced-air oven at 130 °C for 500 h using ISO 188:2023 and monitoring elongation retention. If elongation retention drops below 75% before 500 h, the phosphate ester is not the appropriate plasticizer for that formulation. The ester is incompatible with primary and secondary amine-based antistatic packages; this combination can produce amine phosphate salts that plate out on calender rolls and cause haze in transparent films. Scrap containing WWJF-8030 can be reworked at up to 25% in many flexible PVC compounds without loss of surface finish, but the degree of acid build-up during repeated heat histories must be tracked by acid-value testing of the reclaimed compound.

    Evaluate phthalate-free stabilizer compatibility before converting existing PVC dry blends

    Existing PVC dry blends based on calcium-zinc stabilizers and acid scavengers may require adjustment when WWJF-8030 is introduced. In a production trial, a calcium-zinc stabilizer blend formulated for DIDP showed early colour shift at 180 °C in a two-roll mill; the static heat stability test according to ISO 305:2019 decreased from 48 min to 36 min until the acid scavenger level was increased by 0.5 phr. This is attributed to the slightly higher acid value of the phosphate ester relative to fully neutralised phthalate plasticizers. Users should prepare a reference dry blend and measure colour difference following ISO 305:2019 before committing production lines. The ester is compatible with epoxidized soybean oil at typical co-additive levels of 3 phr to 5 phr; this co-additive package restores heat stability in most calcium-zinc systems. In tin-stabilized rigid PVC, WWJF-8030 is not recommended above 5 phr because the plasticizer can soften the matrix sufficiently to lower Vicat softening temperature below 70 °C under ISO 306:2022.