| HS Code | 333813 |
| Appearance | white, aqueous dispersion |
| Solid Content Percent | 55 |
| Viscosity Mpa S | 3000-7000 |
| Ph | 4.0-5.0 |
| Density G Cm3 | 1.06 |
| Particle Size Micrometers | 1.0 |
| Glass Transition Temperature C | -7 |
| Minimum Film Forming Temperature C | 0 |
| Stabilizer System | polyvinyl alcohol |
| Residual Vinyl Acetate Percent | 0.1 max |
| Film Property | flexible, water-resistant |
As an accredited VINNAPAS 5222 L factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | VINNAPAS 5222 L is supplied in 200 kg drums or 1,000 kg IBC totes, with bulk tanker options available upon request. |
| Container Loading (20′ FCL) | VINNAPAS 5222 L is loaded into a 20′ FCL as palletized, secured drums with proper labeling and ventilation for safe transport. |
| Shipping | VINNAPAS 5222 L is a water-based polymer dispersion shipped in sealed drums or bulk containers. Protect from freezing and excessive heat; ideal storage is 5–35°C. Ensure containers remain upright and secure. Not classified as hazardous, but follow standard handling practices for polymer emulsions to maintain product integrity. |
| Storage | Store VINNAPAS 5222 L in original, tightly sealed containers in a cool, dry, well-ventilated area. Avoid direct sunlight, frost, and temperatures above 35°C; ideal storage is 5–35°C. Protect from freezing, as this can destabilize the dispersion. Under proper conditions, shelf life is typically 6 months from delivery. |
| Shelf Life | Shelf life is typically 6 months from delivery if stored sealed, protected from frost, and kept between 5–30°C. |
In thin-bed cementitious ceramic tile adhesive production, VINNAPAS 5222 L is evaluated as a redispersible vinyl acetate–ethylene copolymer powder with a polyvinyl alcohol protective colloid and a minimum film-forming temperature at or below 0 °C; this colloid chemistry controls polymer particle redispersion in the high-pH cement paste after dry-mix storage. The powder is dry-blended before cement hydration; during on-site mixing with water, the polymer particles re-disperse and coalesce into a latex film inside the pores and at the tile–mortar interface after evaporation. Formulation addition ratios in C1 and C2 cementitious adhesives typically range from 2.0 wt% to 4.0 wt% of total dry mortar; the exact dosage is reduced when the formulation already contains high-range water reducers or calcium formate accelerators because excessive polymer can extend open time beyond 30 min and reduce mechanical strength. The downstream production process for dry-mix tile adhesives uses horizontal ploughshare or ribbon mixers; the powder is added after the cement and mineral fillers have been pre-blended for a short period, and the total mixing time is held between 180 s and 300 s at tip speeds below 25 m/s to avoid thermomechanical damage to the polyvinyl alcohol protective colloid. Terminal finished products include C1 and C2 thin-bed adhesives tested to EN 12004:2017, EN 1348, and ISO 13007-1:2014 for tensile adhesion after standard, water-immersion, heat-ageing, and freeze–thaw cycles. Published data for this specific polymer grade at the upper 4.0 wt% addition in low-alkali white cement formulations is limited; industrial trials should confirm open time because filler fines and cement sulphate balance shift the rheological response more than the polymer film formation temperature alone.
The production bottleneck at industrial scale is not polymer addition but the interaction between the powder and the fine filler system in the first 60 s of dry blending. When VINNAPAS 5222 L is added before fine calcium carbonate, the powder can segregate and produce a sticky layer on the mixer wall if the mixer jacket temperature exceeds 35 °C; this requires a reverse mixing step and can increase batch time by 20%. Field data from horizontal ploughshare mixers show that batch-to-batch viscosity after water addition varies by more than the polymer dosage suggests when the cement source changes, because the sulphate carrier and alkali content modify the redispersion environment. The standard compliance framework for the finished adhesive is the Construction Products Regulation under the harmonised standard EN 12004:2017, but the raw polymer powder itself is supplied under REACH registration and the safety data sheet should be checked for residual monomer and preservative classifications.
At the pump, the property that determines line speed is not static viscosity but the rate of flow cone spread loss after the dry mix contacts mixing water, then passes through a positive-displacement screw pump and a serrated smoothing blade. VINNAPAS 5222 L is included in self-leveling underlayments at 1.0 wt% to 3.0 wt% of dry mix; below 1.0 wt% the polymer does not form a continuous film after surface drying, and above 3.0 wt% the viscosity build can extend degassing and cause pinhole formation when the mix is applied at 3 mm to 10 mm thickness. Flow cone spread measured by ASTM C1708/C1708M-23 in cementitious self-leveling compounds is typically held between 130 mm and 150 mm after mixing; the exact water demand must be indexed against the powder because VAE polymers with a minimum film-forming temperature at or below 0 °C affect the plasticizing efficiency of melamine- or polycarboxylate-based superplasticizers. Production is usually performed in continuous or batch dry-mix plants; the main bottleneck is the addition sequence—powder should be metered after fine calcium carbonate and before high-dust silica fume to limit segregation. Terminal product types are cementitious self-leveling underlayments for renovation of concrete or ceramic substrates, calcium sulfate flowing screeds, and industrial smoothing compounds applied by pump and smoothing trowel. The relevant conformity standard is EN 13813 with declared compressive strength classes such as CT-C20-F6, but for polymer-modified levelling compounds the standard does not provide a direct measure of film quality; therefore surface absorption and adhesion are often verified by pull-off testing with EN 1542. In calcium sulfate formulations, the addition of VINNAPAS 5222 L should be limited to the lower end of the range because the polymer can interact with ammonium tartrate or citric acid retarders and alter setting time; field data from pump-applied underlayments show batch-to-batch variance in flow retention when mixing water temperature falls below 15 °C.
Membrane-forming waterproofing slurries based on cement, quartz filler, and VAE copolymer powder are mixed on-site as one-component products; the dry blend contains the polymer as a redispersible powder that must survive cement alkalinity during mixing and then film-form under the low-temperature, high-humidity conditions found in wet rooms. VINNAPAS 5222 L is added at 3.0 wt% to 5.0 wt% of dry mortar in such products because the film must remain coherent under the capillary water pressure that liquid-applied membranes encounter in wet-room and balcony applications. The dry-mix production route uses high-shear fluidised-bed mixers or horizontal ploughshare mixers; the powder is added after the cement and aggregate are pre-blended to reduce agglomeration, and the cooling jacket should hold product temperature below 40 °C because the polyvinyl alcohol colloid can be damaged by extended residence at higher temperatures. On site, the mortar is mixed with water at a water-to-powder ratio near 0.20 to 0.24 and applied by brush, trowel, or spray in two coats to a total dry-film thickness of 2 mm to 4 mm. The terminal finished products include flexible cementitious water impermeable slurries for internal wet rooms, balconies, and water tanks, and are tested under EN 14891:2017 for crack bridging, water impermeability at 1.5 bar for 7 days, and adhesion after water contact. VAE copolymer powders provide adhesion and flexibility but have limitations in permanent immersion against hot water; for exterior or permanently immersed conditions, formulation benchmarking against styrene-acrylate or acrylate powders is required.
| Downstream segment | Conformity standard | Primary test method | Typical addition ratio |
|---|---|---|---|
| Cementitious tile adhesive | EN 12004:2017 | EN 1348 | 2.0–4.0 wt% |
| Self-leveling underlayment | EN 13813 | ASTM C1708/C1708M-23 | 1.0–3.0 wt% |
| Cementitious waterproofing slurry | EN 14891:2017 | EN 14891:2017 | 3.0–5.0 wt% |
External thermal insulation composite system base coats require polymer modification to accommodate shear deformation between expanded polystyrene boards and the reinforcing glass fibre mesh. VINNAPAS 5222 L is incorporated at 2.0 wt% to 4.0 wt% of dry base coat mortar; the lower end is used in cementitious adhesive mortars bonding expanded polystyrene boards, and the upper end is used in the mesh-embedding base coat where thermal movement and wind load dominate. The dry-mix production process follows the same shear-controlled mixing constraints as tile adhesives, but the filler package is coarser and the formulation includes alkali-resistant glass fibre mesh as a separate site component. On production lines, the greatest variance is caused by surplus fine quartz filler increasing water demand; when the water demand rises by more than 0.5%, the wet base coat loses trowel slip and the embedded mesh may lift under the second pass. On site, the mortar is mixed with water, applied by trowel over insulation boards, and the glass mesh is embedded while the layer is still wet; a second pass may be applied to achieve a total layer thickness of 3 mm to 6 mm. Terminal products are base coats and levelling mortars for ETICS kits tested under the European Assessment Document EAD 040083-00-0404 and the former ETAG 004; the performance criteria include tensile adhesion to insulation, mesh bond strength, and resistance to hard-body impact. VAE powder lowers the elastic modulus of the base coat, which improves impact resistance but can reduce hardness and water-vapour permeability if the dosage exceeds 4.0 wt%; therefore the upper limit is governed by the need to maintain water absorption and vapour resistance within the kit-specific threshold.
Because calcium sulfate hemihydrate joint fillers usually show rapid water uptake and early hardening, the time available for the redispersed polymer to coalesce at the surface is limited. VINNAPAS 5222 L is added at 1.5 wt% to 3.0 wt% of dry mix; at the upper end the polymer reduces brittle failure at board joints and improves sanding behaviour, but above 3.0 wt% the surface hardness after forced drying at 40 °C can drop below the level required for paint adhesion and the filler may clog sandpaper. The dry blend is manufactured in low-speed paddle mixers where the powder is introduced after the hemihydrate and before lightweight fillers to avoid particle stratification. On site, water is added at a ratio specified by the manufacturer, and the material is applied by trowel or automatic jointing tool; terminal finished product types are dry-mix gypsum joint fillers, patching compounds, and skim coats for plasterboard systems. Conformity is assessed under EN 13963:2014 and ASTM C475/C475M, which include requirements for bond strength, crack resistance, and sanding properties. Published formulation-level data for this specific polymer grade in gypsum joint fillers is limited; setting time tests with the specific retarder package must be performed because the polyvinyl alcohol protective colloid can delay calcium sulfate hydration at addition rates above 3.0 wt%.
In chloride-exposed car park decks and marine structures, spalled concrete repair demands polymer modification that limits crack formation during plastic shrinkage and thermal cycling. VINNAPAS 5222 L is added at 2.0 wt% to 4.0 wt% of dry mortar; the specific addition level within that range is determined by the required modulus class, because VAE copolymers lower compressive strength and dynamic modulus more significantly than they reduce workability. The production process for repair mortars uses a high-efficiency dry-mix plant with separate dosing of cement, silica fume, aggregates, polymer powder, and microsilica; the addition sequence places VINNAPAS 5222 L after the coarse aggregate but before microsilica to minimise dust losses. The mixed mortar is applied to saturated-surface-dry prepared concrete substrates by trowel or wet spray; the substrate must be free of laitance and the ambient temperature should remain between 5 °C and 30 °C during curing. Finished product types include polymer-modified cementitious repair mortars classified as R3 or R4 under EN 1504-3:2005, used for structural and non-structural concrete restoration. The main test methods are EN 1542 for pull-off adhesion, EN 196-1 for compressive strength, EN 12390-5 for flexural strength, and EN 13396 or ASTM C1202 for chloride ingress; polymer modification improves adhesion and reduces crack width but may increase chloride diffusion compared with unmodified mortar if the film is not continuous. Field data from patch repairs on car park decks show that batch-to-batch variations in silica fume content can shift the water demand by more than 2%, which requires automatic moisture sensors in the dry-mix plant.
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VINNAPAS 5222 L is a redispersible polymer powder based on a vinyl acetate–ethylene copolymer, supplied as a free-flowing white to off-white powder. It is intended for dry-mix modification of cementitious and gypsum-based building products, including self-leveling underlayments, thin-bed tile adhesives, patching compounds, and repair mortars. The product is manufactured by spray drying a stabilized aqueous dispersion; the powder form contains polymer particles embedded in a mineral anti-blocking agent. The manufacturer’s technical data sheet lists solids content at ≥ 98%, ash content in the range 11–15%, bulk density between 450–650 g/L, pH of a 10% aqueous dispersion between 6.5 and 8.5, and residue on a 400 µm sieve at ≤ 2%. The minimum film-forming temperature is approximately 0 °C. The product is not classified as hazardous under Regulation (EC) No 1272/2008 and is supplied with a Safety Data Sheet compliant with Regulation (EC) No 1907/2006.
Handling behavior is governed by moisture uptake, particle size distribution, and storage temperature. The powder remains free-flowing for at least 6 months in unopened bags when stored below 30 °C and below 60% relative humidity; opened bags must be sealed because the mineral antiblock provides only partial protection against moisture-induced caking. Bulk silo discharge trials show that dense-phase conveying at pick-up velocities of 1.5–2.5 m/s reduces segregation, while fluidization pads must be operated below the minimum bubbling velocity to avoid particle attrition. Direct contact with liquid water causes irreversible film formation at the powder surface and renders the material unsuitable for dry-mix blending; therefore storage adjacent to wet production equipment or moisture-releasing additives should be excluded.
Polymer addition in self-leveling underlayment production is typically set at 1.0–3.0 wt% of total dry mix. The powder is pre-blended with cement and aggregates before liquid introduction; direct addition to mixing water causes localized cement hydration and reduces redispersibility. Flow cone spread is evaluated under ASTM C1708/C1708M; flow table consistency for mortar systems is evaluated under EN 1015-3. Some production formulations achieve equivalent initial flow at 0.5–1.5% lower water than unmodified controls, but the response depends on binder fineness and aggregate absorption. At addition levels above 3.0 wt%, setting time can be delayed beyond target workability windows when tested by EN 196-3, and surface tack after curing may increase. Substrate temperature must remain above 5 °C during curing because the redispersed polymer has a minimum film-forming temperature near 0 °C; below this temperature, coalescence is incomplete and tensile adhesion drops below design thresholds.
Rheology control is further influenced by the dosage of plasticizer and stabilizer. In one-component self-leveling compounds, VINNAPAS 5222 L contributes to reducing sedimentation of fine aggregates and maintaining a homogeneous binder distribution. Laboratory trials commonly use high-shear mixing at 300–600 rpm for 2–3 min; production continuous mixers operate at higher rotor speeds but equivalent work input. The powder’s low water demand becomes measurable as a 2–4 mm increase in flow cone diameter at identical water-to-solids ratio. Excess water must not be used to compensate for aggregate absorption because this decreases surface hardness and promotes cracking. Defoamer compatibility should be verified because the spray-dried powder may increase air entrainment; powdered defoamer at 0.05–0.1 wt% is commonly used but must be optimized against ASTM C185 air content tests.
In thin-bed tile adhesives, 2.5–4.0 wt% addition is typical for C1-class products tested under EN 12004 and ISO 13007-1. The powder is introduced during dry blending; high-shear dispersion in twin-shaft batch mixers or planetary mixers should keep mix temperature below 45 °C to prevent partial coalescence on equipment surfaces. Tensile adhesion after water immersion and heat ageing is assessed according to EN 12004; production-scale results for a C1 formulation with 3.0 wt% addition commonly fall within 0.5–0.7 N/mm² after water immersion, but aggregate grading and cement reactivity shift this range by approximately ±0.1 N/mm². Published data for this specific formulation is limited; plant-specific control limits must therefore be established using the actual aggregate supply and mixer configuration. Open time is evaluated at 20 min and 30 min by transfer of tiles onto a fresh adhesive bed; the polymer film contributes to skin formation control, but evaporative loss from the surface remains the dominant factor.
Mixer geometry affects the shear history applied to the dry blend and the subsequent wet mortar. Twin-shaft batch mixers with length-to-diameter ratios above 0.8 and paddle tip speeds below 2.0 m/s provide sufficient dispersion without excessive temperature rise; continuous intensive mixers can generate localized temperatures that cause the polymer to soften. In field application, mixing water is added according to the formulation’s specified water demand, typically 0.20–0.25 L/kg depending on aggregate absorption. Pot life is evaluated by monitoring consistency retention over 2 h; formulations containing VINNAPAS 5222 L can show lower viscosity drift than some lower-MFFT grades because of reduced coalescence in the wet state. Consistency must be confirmed with a rotational viscometer calibrated to ISO 3219, not by visual inspection alone.
Repair mortars are modified with 2.0–4.0 wt% VINNAPAS 5222 L to reduce permeability and improve adhesion to prepared concrete substrates. Length-change testing by ASTM C157/C157M at 28 days is required because polymer addition can increase drying shrinkage if the water-to-binder ratio is not reduced. Compressive strength measured by ASTM C109/C109M typically decreases by 5–15% relative to an unmodified control at 3.0 wt% addition, while flexural strength under ASTM C348 may remain within ±5% or improve slightly. High-alumina cement systems and lithium carbonate accelerators can destabilize the redispersed polymer; compatibility trials with the exact accelerator dosage are required before production.
Adhesion to substrate is measured by pull-off testing on 50 mm diameter dollies according to EN 1542 or ASTM C1583/C1583M. Values below 1.0 N/mm² after 28 days typically indicate insufficient surface preparation or excessive polymer addition; surface roughness and moisture condition of the concrete substrate influence the failure mode. Cohesive failure within the repair mortar rather than adhesive failure at the interface is required by most repair specifications. When used with low-alkali cements, the powder’s film formation can be sensitive to calcium ion concentration; published data for this specific combination is limited, so compatibility tests with the actual cement chemistry are required.
VINNAPAS 5222 L differs from ethylene-rich VAE grades such as VINNAPAS 5044 N by a higher minimum film-forming temperature and a less pronounced contribution to transverse deformation. Deformable tile adhesive formulations requiring S1 or S2 classification under ISO 13007-2 usually use VINNAPAS 5222 L only in blend with an ethylene-rich grade; the blend ratio must be validated by transverse deformation testing. The lower ethylene content reduces polymer plasticization, which improves surface hardness but limits crack-bridging elongation. Table 1 summarizes the positioning relative to two other VAE powders used in dry-mix mortars.
| Grade | Polymer type | Typical MFFT | Primary application focus | Relative water demand |
|---|---|---|---|---|
| VINNAPAS 5010 N | VAE | 0 °C | General-purpose tile adhesives and repair mortars | Medium |
| VINNAPAS 5222 L | VAE | 0 °C | Self-leveling compounds and low-water-demand systems | Low |
| VINNAPAS 5044 N | VAE, higher ethylene | −7 °C | Deformable adhesives and membrane systems | Medium to high |
Formulators replacing a general-purpose VAE grade with VINNAPAS 5222 L should monitor water demand and open time simultaneously. The low water demand can permit a reduction in polycarboxylate ether superplasticizer dosage of 0.05–0.15% in self-leveling mixes, but this reduction is not universal and may cause rapid slump loss in low-cement formulations. Conversely, replacement of an ethylene-rich grade with VINNAPAS 5222 L in deformable tile adhesives can reduce transverse deformation to below the S1 threshold of 2.5 mm under ISO 13007-2; therefore, blending with a flexible VAE grade is recommended for deformable classifications.
When gypsum-based leveling compounds are produced, 1.0–2.5 wt% VINNAPAS 5222 L is evaluated in continuous high-speed pin mixers with ploughshare geometry. The powder’s bulk density and sieve residue affect blend homogeneity; vertical screw conveyance should be limited to transfer speeds below 0.5 m/s to reduce particle segregation. The calcium sulfate matrix can retard film coalescence at ambient temperatures below 15 °C; forced-air curing at 20–25 °C is therefore required for repeatable tensile adhesion results. After production, the dry mix is sampled at bag filling and tested for powder flow, residue on a 400 µm sieve, and moisture content. Batch-to-batch variance in bulk density of ±25 g/L is within typical silo handling limits but can affect volumetric dosing; gravimetric loss-in-weight feeders with refill rates below 0.5 Hz are recommended. Published data for this specific equipment and formulation configuration is limited, so mix time, water addition, and curing schedule must be established in plant trials.
