| HS Code | 719606 |
| Product Name | ELOTEX MP2701 |
| Product Type | redispersible polymer powder |
| Chemical Composition | vinyl acetate/ethylene (VAE) copolymer |
| Appearance | white free-flowing powder |
| Protective Colloid | polyvinyl alcohol (PVA) |
| Anti Blocking Agent | inorganic mineral filler |
| Bulk Density | approximately 450 g/L |
| Particle Size | typically passes through 400 µm sieve |
| Ph Of Aqueous Dispersion | approximately 7.0 (10% dispersion) |
| Minimum Film Forming Temperature | approximately 5°C |
| Glass Transition Temperature | approximately -5°C |
| Redispersibility | excellent in water |
| Ash Content | approximately 12% |
As an accredited ELOTEX MP2701 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | ELOTEX MP2701 redispersible polymer powder supplied in 20 kg multi-ply paper bags with polyethylene liner, palletized and shrink-wrapped. |
| Container Loading (20′ FCL) | 20′ FCL: ELOTEX MP2701 loaded on pallets, secured, kept dry and ventilated, protected from moisture and contamination. |
| Shipping | ELOTEX MP2701 is shipped as a free-flowing polymer powder in 25 kg multi-wall paper bags with polyethylene liners, palletized and shrink-wrapped. It is non-hazardous for transport under ADR/IMDG/IATA regulations. Protect from moisture during transit and storage; keep bags sealed and dry until use. |
| Storage | Store ELOTEX MP2701 in a cool, dry area away from direct sunlight and moisture. Keep containers sealed in original packaging to prevent water absorption and caking. Avoid high humidity and temperatures above 30°C. Use within recommended shelf life, typically 12 months, and handle with dry equipment. |
| Shelf Life | Shelf life: 12 months from production date when stored unopened in original packaging under cool, dry conditions. |
In cementitious fixing mortars for low-porosity porcelain and vitrified tile, interfacial tensile load is concentrated at the region where hydrated cement paste meets the tile-adhesive interface, and the polymer film formed from ELOTEX MP2701 acts as a stress-relieving phase after water removal and particle coalescence. ELOTEX MP2701, a vinyl acetate-ethylene copolymer redispersible polymer powder, disperses in alkaline cement pore solution and coalesces around hydration products; the ethylene segments provide film flexibility while the vinyl acetate-derived segments contribute adhesion to silicate surfaces. Addition levels for production-scale thin-bed mortars are normally bracketed between 2.5 wt% and 4.0 wt% on total dry mix mass, with the upper range reserved for large-format porcelain slabs, low-porosity substrates, and installations over heated calcium sulphate screeds. In a 2,000 kg batch horizontal twin-shaft mixer with 4-minute dry mix cycle, the powder is pre-blended with cement and fine filler before coarser silica sand is charged; this sequence reduces baghouse carry-over and prevents side-wall polymer film buildup. Compliance for terminal fixing adhesives is established under ISO 13007-2:2021 with tensile adhesion measured according to EN 1348:2007 after water immersion, heat ageing, and freeze-thaw cycling and with deformability determined under EN 12002:2008; C2 TE S1 classification requires tensile adhesion above 1.0 N/mm² after each conditioning regime and S1 deformability between 2.5 mm and 4.9 mm. When open time exceeds 30 min, methylcellulose ether dosages above 0.4 wt% can retard film coalescence; therefore, polymer powder dosage and cellulose ether selection must be rebalanced on a batch basis. Published multipoint addition-rate curves for ELOTEX MP2701 under full EN 1348 conditioning are limited; plant validation should bracket 2.5 wt%, 3.0 wt%, and 4.0 wt% against a fixed rheology package. Terminal products include C2 TE S1 thin-bed adhesives for porcelain slabs up to 1,200 mm × 2,400 mm, reduced-slip adhesives for glass mosaic over existing ceramic substrates, and large-format tile adhesives applied at notch depths from 6 mm to 10 mm.
Base coat mortars for external thermal insulation composite systems are subjected to a combined hygrothermal and mechanical load when embedded alkali-resistant glass fibre mesh is overcoated and the insulated façade is exposed to cyclic rainwater, frost, and substrate movement. ELOTEX MP2701 is dry-mixed at 2.5 wt% to 4.0 wt% of total dry mortar to produce a continuous VAE copolymer film that bridges the interfaces between cement hydration products, quartz filler, and expanded polystyrene board. Production-scale mixing trials with a 1,500 kg horizontal ribbon blender have shown that charging the polymer powder before hydrophobic fumed silica reduces dust extraction losses and prevents static segregation on the blender lid. The wet mortar is mixed on site at a water-to-dry-mortar ratio of 0.24–0.26 in a forced-action paddle mixer for 3 min at 300–400 rpm, then applied as a 3–5 mm base coat by trowel or spray and immediately reinforced with 160 g/m² or 200 g/m² alkali-resistant glass fibre mesh. Compliance is assessed under EAD 040083-00-0404 and EN 13499:2003, with tensile adhesion to expanded polystyrene board tested after water immersion and freeze-thaw cycling; a minimum adhesion of 0.08 MPa is the standard acceptance threshold for base coat renders on EPS. At addition levels below 2.0 wt%, field failure modes include mesh delamination and cracking at insulation board joints after the first winter cycle. Terminal products include ETICS base coat adhesives and embedding mortars for white or grey EPS boards, including low-lambda graphite EPS with thermal conductivity near 0.031 W/mK, and they are typically used with synthetic resin or mineral render finish coats.
Pump-supplied self-leveling underlayments require the redispersible polymer powder to maintain particle dispersion under continuous shear while not generating excessive air entrainment that reduces final compressive strength. ELOTEX MP2701 is incorporated at 1.5 wt% to 3.0 wt% of total dry mix in cement-rich self-leveling compounds, where the polymer film forms around hydraulic phases after dosing water is removed and the surface starts to carbonate. The production dry mix is typically processed in a twin-shaft batch mixer with filler moisture below 0.3%; residual moisture above 0.5% promotes bag-blocking in warm storage and shifts flow ring diameter. On site, the dry powder is fed through a continuous mixing pump with a rotor-stator mixing head at 400–600 rpm, a discharge rate of 25–35 L/min, and a pump pressure of 2.5–3.5 bar; the slurry is discharged onto primed concrete or calcium sulphate substrate and spiked with a porcupine roller to release entrained air. Flow retention is measured by ring spread per EN 12706:2005; terminal underlayments classified as CT-C20-F6 under EN 13813:2002 typically maintain an initial spread of 140–160 mm and a 30-minute spread above 120 mm at 23°C. Defoamer systems require rebalancing when ELOTEX MP2701 exceeds 2.5 wt%, because the protective colloid reduces break time and may stabilize microfoam in fast-setting portfolios. Terminal products include self-leveling underlayments from 1 mm to 10 mm for renovation floors, bonded screeds over hydronic heating pipes, and feathering compounds for large-format floor tile preparation.
Capillary water absorption in one-component cementitious waterproofing slurries is controlled by the coalesced polymer film that bridges capillary pores after the first 24-hour air cure at 23°C and 50% RH; ELOTEX MP2701 forms this film only if the applied coat reaches sufficient thickness and the substrate does not impose rapid suction-driven water loss. The powder is dry-mixed at 3.0 wt% to 5.0 wt% of total dry mass with cement, 0–0.3 mm quartz sand, and a retarder/defoamer package. On site, the mortar is dispersed with a high-shear drill mixer at 600 rpm for 3 min, left to slake for 5 min, and remixed for 30 s; the slurry is applied as a two-coat membrane at 1.5–2.0 kg/m² per coat, with the second coat applied after 24 h and applied perpendicular to the first. Compliance for terminal liquid-applied cementitious waterproofing membranes is established under EN 14891:2017 with classification CM01P/CM02P for positive water pressure; water impermeability and crack-bridging capacity are evaluated under the test methods referenced in that standard. Addition levels below 3.0 wt% reduce crack-bridging capacity at early age, while addition above 5.0 wt% can reduce compressive strength and prolong tackiness under humid conditions if the defoamer dosage is not rebalanced. Published data specific to MP2701 in two-coat EN 14891 membrane configurations is limited; applicator trials should bracket 3.0 wt%, 4.0 wt%, and 5.0 wt% before specifying a production batch. Terminal products include brush-applied and trowel-applied waterproofing slurries for balconies, wet rooms, basement interior walls, and under-tile waterproofing in swimming pool surrounds.
Spray-applied polymer-modified repair mortars placed on vertical concrete substrates require a balance between adhesion to the prepared surface and early-age sag resistance, and ELOTEX MP2701 contributes to both through its film-forming behaviour after water removal from the applied mortar. The powder is added at 2.0 wt% to 4.0 wt% of the total dry mix in pre-bagged repair mortars designed for vertical and overhead repairs. Production is run on a horizontal twin-shaft mixer with a 600 kg batch size and 3-minute dry mix cycle; the polymer powder is added after the silica sand has been charged to reduce segregation. On site, the dry material is combined with water at a water-to-dry-mix ratio of 0.16–0.18 and mixed in a planetary paddle mixer for 3 min; application is performed with a worm pump spray machine at 4–6 bar air pressure or by hand trowel for spalls up to 30 mm. Compliance is evaluated under EN 1504-3:2015 for R3 or R4 polymer-cement repair mortars; terminal R3 non-structural and R4 structural repair products are used for concrete repair, edge spalls, and local cross-section restoration. At substrate temperatures below 10°C, film coalescence of the polymer phase slows and the hydration-controlled early strength gain can be retarded; field observations show that overdosing calcium formate accelerator above 0.5 wt% to compensate can induce flash setting and loss of wet adhesion on prepared concrete surfaces. Published laboratory data for this low-temperature MP2701 configuration are limited; cold-weather trials should monitor substrate temperature, mixing water temperature, and 12-hour surface hardness before scaling to production.
During early-age hydration of cementitious tile grouts for joint widths from 3 mm to 8 mm, the redispersible polymer powder suppresses localized shrinkage cracking along joint edges and reduces capillary water absorption after cure; ELOTEX MP2701 is incorporated at 1.0 wt% to 2.5 wt% of the total dry mix so that the hydrated grout retains sufficient compressive strength while polymer film formation reduces water uptake. The dry grout is mixed with water at a water-to-dry-mix ratio of 0.22–0.26 and stirred at 300–500 rpm until a stiff, slump-resistant paste forms; after a 5-minute slake and 30-second remix, the material is forced into tile joints with a rubber float at 45° to the joint line. The surface is left to set for 15–20 min before initial cleaning with a damp sponge, and final haze removal is completed with a non-woven pad after 24 h. Compliance for terminal cementitious grouts is established under EN 13888:2022 with CG2 WA classification, and water absorption is determined according to EN 12808-5:2008; CG2 WA grouts must meet water absorption limits after 30 min and 240 min. Production-scale bagging lines should hold product moisture below 0.4% and avoid storage above 35°C because the powder can undergo partial sintering in the presence of residual moisture and alkaline fillers. Terminal products include CG2 WA cementitious grouts for porcelain tile, reduced-water-absorption grouts for external façade joints, and flexible grouts for joints over heated screeds where slight differential movement is expected.
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ELOTEX MP2701 is a spray-dried redispersible polymer powder based on a vinyl acetate-ethylene copolymer. A polyvinyl alcohol protective colloid stabilizes the primary polymer particles through spray drying and subsequently controls redispersion in water-based mortar systems. The powder is specified for cementitious and gypsum-based dry-mix formulations in which film formation at low substrate temperature, cohesive deformation, and adhesion to low-porosity substrates are process-critical. In dry form, the material is free-flowing and can be metered with standard screw or screw-lock feeders. Aqueous redispersion occurs under mechanical mixing, producing a polymer dispersion whose film coalesces after water loss and cement hydration. The manufacturer’s lot-controlled certificate of analysis should be used for final formulation decisions because industrial spray-dried polymer powders can vary between production lots.
Specification ranges for this product class, as referenced in dry-mortar formulator libraries, are summarized below. These values are representative order-of-magnitude data and are not a substitute for the current supplier certificate. Differences in test equipment, particularly sieve stack dimensions and ashing furnace calibration, can shift reported values.
| Property | Representative value | Test procedure |
|---|---|---|
| Polymer base | Vinyl acetate-ethylene copolymer | — |
| Protective colloid | Polyvinyl alcohol | — |
| Bulk density | 400–600 g/L | DIN EN ISO 60 |
| Residue on 400 µm sieve | ≤ 2% | Alpine air-jet sieve |
| pH of 10% dispersion | 6.0–8.5 | ISO 976 |
| Ash content at 1000 °C | 10–14% | ISO 3451-1 |
| Minimum film-forming temperature | 0–5 °C | DIN ISO 2115 |
| Glass transition temperature | Below 0 °C by differential scanning calorimetry | ISO 11357-2 |
The low minimum film-forming temperature relative to conventional VAE powders is analytically significant. Differential scanning calorimetry under ISO 11357-2 places the glass transition below 0 °C for this ethylene-modified backbone, whereas many general-purpose VAE powders exhibit glass transition temperatures between 5 °C and 20 °C. This shift lowers the polymer film modulus and permits coalescence at lower curing temperatures, which is mechanically relevant for thin-bed tile adhesive layers exposed to climatic variation during construction. The residue on 400 µm serves as a dry-blend homogeneity control rather than a direct polymer-quality marker. In laboratory redispersion, a 50 wt% aqueous dispersion is typically prepared under 1500 rpm with a toothed dissolver; after 60 s, the resulting dispersion should pass a 100 µm screen with no visible specks. This bench procedure approximates full-scale metering and detects blocking caused by improper storage.
In C2-class tile adhesive production, ELOTEX MP2701 is dry-blended with CEM I 42.5 R or CEM II/A-LL 42.5 R, graded silica sand, cellulose ether, and optional calcium carbonate filler in a twin-shaft paddle mixer with batch sizes from 800 kg to 2000 kg. A representative starting formulation contains 35.0 wt% cement, 60.4 wt% silica sand 0.1–0.5 mm, 0.3 wt% cellulose ether, 0.3 wt% starch ether, and 4.0 wt% ELOTEX MP2701. Water demand is adjusted to 22–24 wt% by flow table EN 1015-3. Mixing is performed until bulk homogeneity meets the initial tensile-adhesion requirements of EN 12004-2. The polymer influences adhesive failure mode: wet-condition tests under EN 12004-2 water immersion frequently shift from interfacial adhesive failure to cohesive failure within the mortar, provided cement hydration and film coalescence are not disrupted by excessive air entrainment. Air content should be checked by EN 1015-7; values above 3% can reduce tensile adhesion and require a suitable defoamer.
The most demanding specification is the EN 12004-2 water-immersion tensile adhesion condition, where C2 adhesives must maintain at least 1.0 N/mm² after the conditioning cycles defined in the standard. If the polymer powder is blended above 4.0 wt% without balancing water demand and defoamer dose, excessive polymer phase continuity can reduce early compressive strength and create a sticky mortar that slows trowel release. At addition levels below 2.0 wt%, the same formulation may fall below the wet-adhesion threshold on low-porosity ceramic tiles. These boundaries are not intrinsic to the powder alone; they are a function of cement content, water/cement ratio, cellulose ether grade, and sand packing. For frost-resistant C2 adhesives tested under freeze-thaw cycling according to EN 12004-2, formulations containing 3.5–4.5 wt% ELOTEX MP2701 require a defined minimum polymer film coalescence period at 23 °C before immersion to obtain stable retained adhesion. Published data for this specific configuration is limited because the result is strongly formulation-dependent.
On production scale, the addition sequence influences batch-to-batch variability. When the powder is charged simultaneously with cement and sand in a single-shaft ribbon mixer, polymer particles may segregate to the mixer walls and form soft lumps. The recommended sequence is to mix dry mineral components for 30–60 s, add ELOTEX MP2701, mix an additional 120–180 s, and then add liquid admixtures. Screw feeder setpoint tolerance should be within ±0.1 wt% of batch mass. Because bulk density variability of approximately ±30 g/L can affect volumetric metering, gravimetric systems are preferred on continuous adhesive mortar lines. The powder should be metered separately from cement rather than pre-blended in humid conditions. Adding more than 6.0 wt% is generally not processable as a standard tile adhesive because plastic viscosity increases and air release becomes insufficient under normal mixing time.
In externally bonded thermal insulation composite systems, the base coat must bridge cracks in the insulation board joints and transfer impact loads without forming open cracks. ELOTEX MP2701 is incorporated into cement-bound base coats at addition rates of 2.5–4.5 wt% on total dry mix, typically together with cellulose ether and alkali-resistant glass fibre scrim. The low glass transition temperature of the polymer film lowers the modulus of the base coat and permits strain redistribution across the glass-fibre mesh. Performance is evaluated under EAD 040083-00-0404 for ETICS kits; the relevant base-coat properties include crack-bridging under static loading, dynamic impact resistance, and adhesion to insulation boards after hygrothermal cycling. The powder also contributes to reduction of water uptake when combined with hydrophobic additives. Capillary water absorption after 24 h can be checked by EN 1015-18, depending on the testing sequence. Processing observations on continuous plank lines indicate that spray-applied base coats maintain acceptable open time when the polymer addition is within the stated range and the mixed mortar temperature is held below 30 °C.
The EAD procedure requires kit-level evaluation, not isolated mortar testing. Base coats formulated with ELOTEX MP2701 are therefore characterized by their interaction with the specified insulation board, scrim, and finishing system. The polymer film functions as a stress-absorbing phase between cement hydration products and the glass-fibre scrim. In a flexible base coat, the tensile elongation of the cast polymer film can be measured by ASTM D638-14 after film formation from a redispersed dispersion at 23 °C and 50% RH; VAE films of this class commonly show elongation values above 100%, though published data for this specific configuration is limited. The practical impact resistance of the cured base coat is assessed using the impact categories defined in the relevant EAD. No standalone polymer content guarantees a pass. Crack-bridging under load is influenced by polymer film coalescence at the mortar–insulation interface, and field application on warm insulation boards above 50 °C can accelerate skin formation and reduce substrate wetting.
For self-leveling underlayments and repair mortars, ELOTEX MP2701 is introduced at 1.5–3.0 wt% for basic self-smoothing floor screeds and 3.0–5.0 wt% for thin-layer patching compounds, depending on binder type and required flow. In ternary systems with calcium sulfoaluminate cement or anhydrite, the polymer must not interfere with rapid hydration. The polyvinyl alcohol protective colloid can increase mix viscosity and may require a higher polycarboxylate superplasticizer dose, typically 0.2–0.5 wt% on total dry mix. Flow is adjusted according to EN 12706 for self-smoothing compounds, while flexural and compressive strength are tested by EN 13892-2 or EN 196-1 as project specifications dictate. The powder addition improves adhesion to concrete substrates and reduces dusting of the cured surface, but addition beyond the upper range can cause delayed setting and high air content. Field metering through loss-in-weight feeders on continuous floor-screed plants shows better flow consistency when the powder is conditioned to 20–25 °C and fed separately from the cementitious binder.
Because the powder is hygroscopic, prolonged exposure to relative humidity above 60% can soften the particle surface and increase blocking. The production environment should be kept below 60% RH, and silo extraction should be interrupted before weekend shutdown or condensation cycles. If bags have been stored in unheated warehouses below 5 °C, conditioning to 15–25 °C is required before metering. Pre-drying is mandatory where bridging or soft lumps are detected. A fluid-bed dryer set to 35–40 °C for 2–4 h is sufficient for partial redistribution, but the material should be sieved through 800 µm before use. Gravimetric metering is preferred over volumetric metering because bulk density variation and hygroscopic behavior can change screw throughput.
Compatibility is not universal. Strongly alkaline accelerators or amine-based additives can alter pH and may destabilize the polyvinyl alcohol protective colloid, causing flocculation and loss of workable pot life. Avoid dry blending with hygroscopic calcium chloride accelerators unless the mixer is sealed and cleaned immediately. In systems containing high doses of aluminate cement or water glass, the polymer may coagulate in the alkaline aqueous phase. Published data for this specific configuration is limited, and preliminary compatibility tests are required before production. The material should not be exposed to open flame or strong oxidizers, and dust suppression measures should follow the supplier’s safety data sheet.
When a formulator evaluates ELOTEX MP2701 as a replacement for a higher-Tg vinyl acetate-ethylene powder, the practical distinction appears most clearly in wet-adhesion and freeze-thaw conditions. Lower glass transition temperature and lower minimum film-forming temperature allow the polymer to coalesce at lower cure temperatures, but they also reduce early hardness and can increase surface tack in hot weather. Compared with vinyl acetate-ethylene grades designed for highly flexible waterproofing slurries, ELOTEX MP2701 is normally selected for dry-mix products that must balance open time, wet adhesion, and early strength rather than for maximum elongation alone. The absence of chlorine-containing monomers distinguishes the product from vinyl acetate/vinyl chloride/ethylene terpolymers in indoor air quality assessments under applicable national VOC protocols. Direct numerical comparison between grades must be conducted in parallel mortar testing under EN 12004-2 or EAD 040083-00-0404, because polymer film properties alone cannot predict cementitious system performance.
