| HS Code | 363243 |
| Product Name | ELOTEX FL2211 |
| Product Type | Redispersible Polymer Powder |
| Chemical Basis | Vinyl Acetate-Ethylene (VAE) Copolymer |
| Physical Form | Free-Flowing Powder |
| Color | White to Light Cream |
| Bulk Density | Approx. 500 g/L |
| Particle Size | Max. 10% Retained on 300 µm Sieve |
| Ash Content | Approx. 11% |
| Ph Value | Approx. 7.5 (10% Dispersion in Water) |
| Minimum Film Forming Temperature | Approx. 0°C |
| Glass Transition Temperature | Approx. -5°C |
| Redispersibility | Redispersible in Water |
As an accredited ELOTEX FL2211 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | ELOTEX FL2211 is supplied in 25 kg multilayer paper bags with a polyethylene liner for safe, dry storage. |
| Container Loading (20′ FCL) | 20′ FCL: ELOTEX FL2211 loaded as full container, 25 kg bags on pallets, shrink-wrapped and secured for safe transport. |
| Shipping | ELOTEX FL2211 is a free-flowing polymer powder, shipped as non-hazardous, non-dangerous goods. It is packed in moisture-protective bags on pallets and transported in dry, covered containers. Avoid prolonged exposure to humidity and direct sunlight during transit. Standard handling and storage conditions apply. |
| Storage | Store ELOTEX FL2211 in its original, unopened bags in a cool, dry area. Protect from moisture, rain, and high humidity, and avoid exposure to direct sunlight or heat. Keep bags sealed when not in use and follow stock rotation. Proper storage maintains product quality and ensures optimal performance. |
| Shelf Life | Shelf life is 12 months from production date when stored unopened, in original packaging, in cool, dry conditions. |
For C2-class cementitious tile adhesives formulated under EN 12004:2017 and verified by pull-off testing on concrete slabs conditioned at 23 ± 2 °C and 50 ± 5 % RH, ELOTEX FL2211 is incorporated as a vinyl acetate–ethylene redispersible polymer powder at 2.0–4.0 wt% of total dry mortar. The dry blend comprises CEM I 42.5 R or CEM II A-LL 42.5 R cement, graded silica sand 0.1–0.5 mm, cellulose ether, dispersing agent, calcium formate and the polymer powder. Mixing water is added at 0.22–0.26 water-to-dry-mortar ratio. A paddle mixer operating at 400–600 rpm is used for 180 s, followed by 5 min slaking and 30 s remix. The dispersion and film formation of the VAE copolymer after wetting reduce interfacial stress and promote cohesive failure within the adhesive matrix during EN 1348:2007 pull-off testing. Open time is measured by EN 1346 after 30 min; trowel ridges must transfer to the tile back without skinning. Addition levels above 4.5 wt% may extend open time but can cause sag on vertical walls and slow early strength gain. Tensile adhesion strength is determined according to EN 1348:2007 after four storage regimes: 28 days standard cure, 7 days water immersion, 14 days at 70 °C, and 25 freeze–thaw cycles. C2 classification requires adhesion ≥1.0 N/mm² under all regimes. Deformability is measured as transverse deformation under EN 12004; S1 requires ≥2.5 mm and S2 requires ≥5.0 mm after 28 days. The terminal products are thin-bed and medium-bed adhesives for large-format porcelain slabs, exterior facade cladding and heated screed installations, applied at 3–10 mm trowel depth depending on substrate tolerance.
One-component flexible waterproofing slurries for balconies, wet rooms and external terraces are produced with ELOTEX FL2211 at 3.0–5.0 wt% of the dry mix and a polymer-to-cement ratio between 0.30 and 0.60. The powder is dry-blended with CEM I 42.5 N, silica flour 0.06–0.2 mm, calcium stearate and a polycarboxylate superplasticizer. Mixing uses a vertical paddle at 500 rpm for 180 s to limit air entrapment, then the slurry rests for 3 min before application. Two coats are applied by brush or stainless-steel trowel; the first coat is 0.5–0.7 mm wet and the second is 0.7–1.0 mm wet, with a 4–6 h hardening interval at 15–25 °C. Mixing water with pH below 4 is avoided because acidic conditions destabilize the redispersed latex and cause localized phase separation before the cement has fully wet out. The cured membrane is evaluated under EN 14891:2017 for liquid-applied water impermeable products, including tensile adhesion to concrete after water exposure and crack bridging at controlled crack-opening widths. A reduced glass transition temperature in the VAE copolymer allows the membrane to follow microcrack movement without brittle rupture, but the exact crack-width threshold is formulation dependent. Published data for this specific configuration is limited; therefore crack-bridging capacity must be confirmed by EN 14891 testing rather than extrapolated from tensile elongation alone. Terminal products include waterproofing layers beneath ceramic tile in showers, laundries and roof terraces, where tile adhesive is applied only after surface tack has disappeared.
In cementitious self-leveling underlayments applied by rotor/stator pump at 20–25 L/min, ELOTEX FL2211 is added at 1.5–3.0 wt% to the dry formulation. The binder system combines Portland cement with calcium aluminate cement and calcium sulfate to balance flow and setting; fine quartz filler 0.02–0.1 mm reduces segregation. Flow behavior is checked with a 35 mm flow cone per EN 12706, and pumpable mixes typically target a ring spread above 130 mm after 5 min. The polymer powder disperses during mixing and forms a ductile film that lowers surface dusting and enhances flexural strength without blocking early hydration. Pinholing is controlled by adding defoamer during dry blending and by avoiding high-shear mixing above 600 rpm; entrapped air rising after pump application creates surface craters and reduces adhesion to subsequent floor coverings. The hardened underlayment is specified under EN 13813 with project-defined flexural and compressive classes; polymer-modified formulations are applied from 1 mm featheredge to 10 mm body thickness. Terminal products serve as smoothing and leveling layers for vinyl, LVT, ceramic tile and engineered wood flooring over underfloor heating systems.
| Application sector | Normative framework | Primary test method | Typical ELOTEX FL2211 addition | Terminal product |
|---|---|---|---|---|
| Cementitious tile adhesive | EN 12004 | EN 1348 tensile adhesion | 2.0–4.0 wt% | Large-format facade adhesive |
| Flexible waterproofing slurry | EN 14891 | EN 14891 crack bridging | 3.0–5.0 wt% | Wet-room membrane |
| Self-leveling underlayment | EN 13813 | EN 12706 flow cone | 1.5–3.0 wt% | Pump-applied screed layer |
| Structural repair mortar | EN 1504-3 | EN 12190 compressive strength | 3.0–5.0 wt% | Concrete spall repair |
| ETICS base coat | EAD 040083 | ETAG 004 bond strength | 2.5–4.0 wt% | Insulation adhesive/base coat |
| Cementitious tile grout | EN 13888 | EN 12808-2 abrasion | 1.0–2.5 wt% | Low-absorption joint filler |
When a structural repair mortar is specified under EN 1504-3 Class R4 for concrete spall repair, ELOTEX FL2211 is used at 3.0–5.0 wt% of the dry powder with a water-to-mortar ratio not exceeding 0.40. The blend contains CEM I 42.5 R, silica sand 0.1–0.6 mm, mineral filler, calcium nitrite corrosion inhibitor and viscosity-modifying admixture. The polymer powder must be dry-blended before water addition; direct addition to a wet mix can cause polymer agglomeration and uneven film formation. Mixing is carried out in a forced-action mixer for 4 min until the wet density remains stable, and the mortar is applied by trowel or wet-spray onto concrete prepared by grit blasting to Sa 2½. Compressive strength is determined by EN 12190; Class R4 requires ≥45 MPa at 28 days. The polymer film improves tensile adhesion to prepared concrete and reduces restrained shrinkage cracking at edges; however, addition above 5.0 wt% can reduce compressive strength and increase creep under sustained load. Chloride ion content is kept below 0.05 % by mass of binder for reinforced structures. Terminal products include patch repair mortars for balcony slabs, car park soffits and precast concrete elements, where the repaired surface is then coated or overlaid.
In external thermal insulation composite systems, the base coat must absorb hygrothermal movement between insulation boards and the reinforcing mesh. ELOTEX FL2211 is included at 2.5–4.0 wt% in the dry base coat adhesive, which is mixed with water to a trowelable consistency and applied over EPS, mineral wool or phenolic foam boards. The formulation contains white cement, limestone filler 0.02–0.3 mm, cellulose ether, starch ether and the VAE powder. The first pass embeds an alkali-resistant glass fibre mesh with 160–200 g/m² surface weight; a second pass is applied after 24 h at 5–30 °C. Bond strength and failure mode are assessed under ETAG 004 / EAD 040083-00-0404 after dry, wet and hygrothermal exposure. The polymer film raises adhesion to insulation and reduces crack formation around openings when the system is exposed to differential movement. Published data for this specific configuration is limited, so the exact movement tolerance must be verified by project testing. Terminal products include certified ETICS base coats and insulation adhesives for residential and commercial facade retrofits.
Tile grout formulations use ELOTEX FL2211 at 1.0–2.5 wt% to reduce efflorescence and improve abrasion resistance in joints 1–6 mm wide. The dry mix consists of high-alumina cement, calcium carbonate filler, quartz sand 0.01–0.2 mm, pigment and the polymer powder. Water demand is held at 0.24–0.28 to obtain a creamy non-slump consistency; mixing follows the same paddle procedure as tile adhesives but with 120 s total mixing time. Hardened grout is tested under EN 13888 CG2 WA requirements: water absorption is measured after 30 min and 240 min by EN 12808-5, and abrasion loss is determined by EN 12808-2. CG2 A classification requires abrasion loss ≤2000 mm³. The polymer film binds pigment particles and lowers surface porosity in the joint, as evaluated by water absorption after 30 min and 240 min. Addition above 2.5 wt% may reduce early hardness and increase cleaning effort during the wiping process. Terminal products are low-absorption cementitious grouts for ceramic, porcelain and glass mosaic in showers, swimming pools and exterior paving.
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ELOTEX FL2211 is a redispersible polymer powder grade based on a vinyl acetate-ethylene (VAE) copolymer and stabilised with a polyvinyl alcohol protective colloid. The product is supplied as a white, free-flowing dry powder intended for dry-mix modification of hydraulically setting compounds, particularly cementitious tile adhesives, patching mortars, sealing slurries, and flexible repair compounds. The published typical minimum film formation temperature is approximately 0 °C and the glass transition temperature is approximately −7 °C, the latter commonly determined by differential scanning calorimetry at 10 K/min. Redispersion occurs when the powder is added to water or a wet cement slurry; the polyvinyl alcohol stabiliser dissolves and releases the primary VAE polymer particles into the pore solution. In cementitious systems, the coalesced polymer film modifies adhesion, deformation capacity, and moisture-sensitive strength retention. Exact bulk density, sieve residue, and residual moisture are not fixed absolute values but are reported on the batch-specific certificate of analysis, because they can vary with production campaign, transport, and storage conditions.
During production, the VAE dispersion is transformed by spray drying into agglomerated powder particles that contain redispersible primary polymer domains within a polyvinyl alcohol matrix. Upon contact with mixing water, the protective colloid hydrates and the polymer domains are released into the alkaline cement pore solution. For ordinary Portland cement systems, the pore solution pH commonly exceeds 12.5 during the first minutes of hydration. The released polymer particles remain dispersed in this alkaline environment until free water is consumed by cement hydration, substrate absorption, or evaporation. Film coalescence then occurs in capillaries and at interfacial zones between aggregate grains and the cement paste. The polyvinyl alcohol colloid also contributes to water retention in the fresh mortar, reducing water loss to highly absorptive concrete substrates. On a production-scale twin-shaft compulsory mixer with a batch size of 250 kg, dry preblending of ELOTEX FL2211 with cement and aggregates for 60–90 s before water addition reduces the risk of lump formation and improves dry-mix homogeneity compared with direct addition into a wet slurry. After water addition, mixing times of 3–5 min at low-to-moderate rotor speed are typical for achieving uniform dispersion without excessive air entrainment.
In flexible cementitious tile adhesives classified under EN 12004:2007+A1:2012, ELOTEX FL2211 is normally incorporated on a dry mortar basis at levels reported in technical literature between 2.5 wt% and 5.0 wt%. At these addition levels, the hardened mortar develops a calcium silicate hydrate network interspersed with coalesced polymer domains. Tensile adhesion strength after 28-day water immersion, heat ageing at 70 °C, and freeze-thaw cycling is tested according to EN 1348:2007. Lower water/cement ratios, typically below 0.45, can improve polymer-to-binder load transfer but may reduce open time and workability. In production-scale single-shaft mixers with rotating pan, batch-to-batch variation in tensile adhesion strength is lower when the powder is preblended dry with aggregates and cement before water is introduced. The powder also contributes to extended pot life and reduced skinning on the mortar surface because the polyvinyl alcohol colloid retains free water and delays surface drying. The final classification depends on cement type, dosage, water demand, and admixture package; the powder alone does not guarantee a specific EN 12004 classification without supporting formulation data.
The published typical minimum film formation temperature of approximately 0 °C means that ELOTEX FL2211 can form a continuous polymer film at temperatures just above freezing during drying. This is relevant for cementitious tile adhesives and repair mortars applied at 5–10 °C. Below 0 °C, film coalescence is limited and cement hydration continues only if sufficient ionic solutes depress the liquid phase freezing point. Even with a low-MFFT powder, low-temperature application should be confirmed by EN 1348:2007 adhesion testing after realistic curing. Mortars containing ELOTEX FL2211 usually show improved deformation capacity compared with higher-Tg VAE powders, but direct numerical comparison requires identical substrate, ageing, and mixing conditions. Published data for this specific configuration is limited, and formulators should verify performance with their own cement and aggregate sources.
In patching mortars and repair compounds, ELOTEX FL2211 contributes to adhesion to prepared concrete substrates. Surface preparation to remove laitance, oil, and friable material is typically required before application. For structural or non-structural repair products, the polymer addition is selected according to the required modulus of elasticity class and adhesion performance under EN 1504-3:2005. Formulations based on CEM I 42.5 R or CEM II cement and siliceous aggregates with a maximum particle size of 2 mm are common for R3-class polymer-modified repair mortars. The powder modifies fresh mortar consistency and improves adhesion, but it is not a substitute for correct mix water control, substrate pre-wetting, or curing. Compared with unmodified repair mortars, VAE-modified systems generally show lower compressive strength and higher flexural-to-compressive strength ratio because the polymer film bridges microcracks and reduces brittle failure. The exact strength trade-off must be determined on the production mix because cement chemistry, aggregate grading, and defoamer dosage interact with the powder.
The differentiation of ELOTEX FL2211 from other powders in the same manufacturer range is controlled by ethylene content, protective colloid type, and any post-treatment. Ethylene-rich VAE powders often exhibit lower glass transition temperature and higher flexibility, but may show lower early tensile adhesion strength in cementitious systems unless the formulation water demand is adjusted. Hydrophobically modified VAE powders are selected where reduced water uptake or improved water-beading is required; they typically carry organosilicon or fatty-acid post-treatment and can reduce wetting of the dry powder in water-sensitive formulations. ELOTEX FL2211 is not a hydrophobic powder in that sense. Its redispersion relies on polyvinyl alcohol, which releases rapidly under normal mixing but can generate stable foam under prolonged high-shear exposure. Quantitative comparison between grades requires an identical cementitious base, because changes in cement type, dispersant chemistry, and aggregate fines content can reverse performance rankings. Users should not assume that a lower-MFFT powder automatically provides higher crack-bridging capacity; crack-bridging ability under EN 14891:2017 depends on polymer film continuity, mortar thickness, and substrate interaction, not on the powder specification alone.
Addition of VAE redispersible polymer powder to a cementitious system increases air entrainment because the polyvinyl alcohol protective colloid stabilises air bubbles at the fresh-mortar surface. The resulting air void system improves workability and cohesion but reduces compressive strength. In a planetary mixer with a 5 L bowl and mixing based on EN 196-1, air content can increase by several volume percent relative to an unmodified control. To control the air void spacing factor near 200–300 µm, a defoamer based on mineral oil, polyalkylene glycol, or silicone-free surfactant is often co-formulated at 0.05–0.20 wt% of dry solids. Without adequate defoaming, compressive strength reductions of 15–30% at equal fresh consistency have been reported for 2.5–4.0 wt% polymer additions in ordinary Portland cement mortars. The flexural-to-compressive strength ratio generally increases because polymer films bridge microcracks during bending. Strength development should be verified at 1 d, 7 d, and 28 d using ASTM C109/C109M or EN 196-1. Polymer-modified mortars may show delayed early strength due to the hydration-retarding effect of the polyvinyl alcohol colloid on cement surfaces. This delay is formulation-dependent and may be offset by low dosage of an accelerating admixture only after laboratory compatibility testing.
| Application | Indicative addition range on dry mortar | Primary test standard | Critical performance parameter |
|---|---|---|---|
| Flexible cementitious tile adhesive | 2.5–5.0 wt% | EN 12004:2007+A1:2012; EN 1348:2007 | Tensile adhesion after water immersion, heat ageing, and freeze-thaw cycling |
| Polymer-modified patching mortar | 2.0–4.0 wt% | EN 1504-3:2005 | Adhesion, modulus class, thermal compatibility |
| Sealing slurry or flexible waterproofing mortar | 1.5–3.5 wt% | EN 14891:2017 | Water impermeability, crack bridging, adhesion after water contact |
Batch-to-batch conformity of ELOTEX FL2211 is evaluated by bulk density, sieve residue, moisture content, and minimum film formation temperature. The manufacturer’s certificate of analysis reports these values against the grade specification. Users should verify powder flow before volumetric dosing because transport compaction can increase apparent bulk density and impair screw-feeder accuracy. Loss-in-weight feeders with vented hoppers are preferred for continuous dry-mix production. The powder should be conveyed at low air temperature to avoid thermal blocking in rotary valves. On high-speed automatic bagging lines, dust extraction should be interlocked with the filling head to prevent local overdosing and dust concentration. The minimum ignition energy and dust explosion parameters for the dry powder should be obtained from the safety data sheet before designing grinding or conveying equipment.
Storage requires dry, shaded conditions in unopened bags at temperatures below 30 °C. Exposure to relative humidity above 60% can cause surface lumping and loss of redispersibility, especially when pallets are stored near cold walls or on unsealed concrete floors. Bags should be resealed immediately after product withdrawal. Under these conditions, shelf life is usually 12 months from production, but users must confirm the exact shelf-life statement in the current product data sheet. The powder should not be mixed with liquid polymer dispersions or with amine-based accelerators unless prior compatibility testing has been completed, because premature destabilisation, foaming, or local polymer coagulation may occur. Dry mixing with cement and aggregates remains the standard industrial route for use, and the product is not intended for direct addition to water before cement is present.
