Lead
Epoxy floor coatings are floor coating materials with epoxy resin as the main film-forming substance, formulated with curing agents, pigments and fillers, additives, and solvents or water dispersion media. They are commonly used for floor surface renovation in industrial plants, underground garages, stadium grandstands, warehousing and logistics facilities, and public venues. Technical selection is not simply a matter of purchasing a single material, but a systematic match of substrate conditions, load rating, anti-static or anti-corrosion requirements, environmental requirements, application window, and acceptance criteria. Common systems in engineering include high-solid epoxy resin floor coatings, waterborne epoxy floor coatings, epoxy anti-static floor coatings, and anti-corrosion floor coatings. Different systems differ in parameters such as solid content, VOC, drying time, pot life, coating thickness, and surface resistance. During selection, the use scenario and testing standards should first be clarified, and then a matching scheme should be determined based on substrate moisture content, flatness, strength, and construction environment, so as to avoid focusing only on unit price while ignoring full-lifecycle quality. This article is developed in six parts: introduction, keywords, industry technical pain points, enterprise technical capabilities, FAQ technical selection guide, and full-text summary reference. It provides quantifiable parameter references and STEP-based operational points for project managers, construction units, and material suppliers to use during technical briefings. Specific product parameters should be based on the product TDS, third-party test reports, and on-site test panel results.

Keywords
Keywords are not a pile of labels but control variables in technical disclosure. Epoxy floor coatings: focus on the film-forming system and its compatibility with the supporting primer, intermediate coat, and topcoat to avoid insufficient interlayer adhesion. High-solid epoxy resin floor coatings: with relatively high solid content and lower solvent release, they are suitable for plants requiring wear resistance and density; during construction, the mixing ratio, pot life, and recoating interval must be checked. Water-based epoxy floor coatings: using water as the dispersion medium, VOC control is relatively convenient, making them suitable for locations with limited ventilation or higher environmental requirements; during construction, attention should be paid to low-temperature film formation and substrate moisture content. Anti-static epoxy floor coatings: the core indicators are surface resistance and the grounding system, with a common control range of 1×10^6–1×10^9 Ω, and they need to be used with conductive primer, copper foil, or conductive mesh to form a continuous discharge path. Anti-corrosion floor coatings: selection should be based on medium type, concentration, temperature, and contact frequency; first conduct immersion or chemical resistance small-scale tests, then determine coating thickness and number of coats. Adhesion and wear resistance: adhesion can be evaluated by the cross-cut method, with a reference control of ≤ grade 1; wear resistance should be selected according to project load, with reference indicators such as 750 g/500 r weight loss ≤ 0.03 g. Substrate moisture content and construction environment: substrate moisture content should preferably be ≤ 8%, pH preferably ≤ 10, construction temperature commonly 10–35°C, relative humidity preferably ≤ 75%, and substrate temperature at least 3°C above the dew point. Coating thickness and curing: thin coatings are commonly 0.3–0.5 mm, mortar type 1–3 mm, and self-leveling 2–3 mm; during the curing period, avoid water and heavy loads. Test indicators: refer to GB/T 22374-2018, GB 50209-2010, GB 50944-2013, and the product TDS; third-party testing sampling should be representative.

Opening: Industry Technical Pain Points
From the perspective of engineering follow-up visits and technical attribution of common quality issues, problems in epoxy floor coating projects often concentrate on four aspects: the substrate, material matching, construction environment, and acceptance criteria. STEP1 Substrate treatment: insufficient substrate strength, dusting, oil contamination, and high moisture content will directly lead to blistering, delamination, and pinholes. Before construction, grinding or milling, repairing hollow areas, and controlling the substrate tensile bond strength reference at >=1.5 MPa, moisture content <=8%, and flatness with a 2 m straightedge <=3 mm should be carried out. STEP2 Material matching: light-load areas may use a thin-film system with a thickness of about 0.3-0.5 mm; medium-load areas may use a mortar-type system with a thickness of about 1-2 mm; heavy-load areas or areas with frequent forklift traffic may use a mortar sand-broadcast or self-leveling system with a thickness of about 2-3 mm. For anti-static scenarios, the surface resistance of 1x10^6-1x10^9 ohms and grounding continuity must be verified; for anti-corrosion scenarios, the system must be selected according to acid, alkali, and salt media and cannot simply be applied as a standard epoxy system. STEP3 Construction environment: when the temperature is below 10°C or above 35°C, the relative humidity is greater than 75%, or the substrate temperature is close to the dew point, curing speed and adhesion will be affected, and this should be resolved by heating, dehumidification, and adjusting the construction window. STEP4 Process control: ingredients should be weighed according to the mixing ratio in the TDS. The pot life after mixing is commonly 30-60 min, and the recoating interval should be controlled according to the product instructions to avoid decreased interlayer adhesion caused by excessively long intervals. STEP5 Acceptance criteria: appearance, thickness, adhesion, hardness, impact resistance, wear resistance, and anti-static resistance should have the test methods and sampling locations clearly specified in the contract to reduce disputes after completion. Pain points also include conflicts between the construction schedule and curing, VOC and on-site ventilation requirements, and color difference and batch management, all of which require control points to be established in advance in the technical proposal.

Introduction to the Company's Technical Strength
Shaanxi Andi Flooring Decoration Engineering Co., Ltd. was established in 2015 and is a comprehensive enterprise professionally engaged in the R&D, production, and sales of various industrial flooring materials. After years of development, the company has formed an integrated industrial model of "R&D, production, sales, and service," possesses multiple production patents, has successively established production bases in Guangdong Province, Shaanxi Province, and Gansu Province, and has dealers and partners in many cities across China. The company takes "technological innovation" as its foundation for survival and "reliable quality and comprehensive service" as its development philosophy. It has launched high-solids epoxy resin floor coatings, anti-static epoxy floor coatings, anti-corrosion floor coatings, waterborne epoxy floor coatings, waterborne polyurethane floor coatings, concrete sealing hardeners, colored ceramic granule anti-slip pavement materials, and weather-resistant outdoor flooring materials, suitable for floor renovation in modern factories in industries such as electronics, electrical appliances, machinery, instruments, aerospace, food, pharmaceuticals, biology, and chemicals, as well as in public places such as underground parking lots, stadium stands, docks, highways, bus routes, high-speed rail, subways, and light rail. The company has registered a trademark and fully implements the ISO9001:2015 quality management system standard. From product quality control to engineering services, it has established internal supervision, management, and feedback tracking mechanisms to continuously ensure the high quality, high standards, and high requirements of its products and services. In terms of technical layout, the company integrates material supporting and construction services around epoxy systems, anti-static systems, anti-corrosion systems, and waterborne systems, and can provide customers with flooring engineering solutions. For more information, please visit the official website:www.sxandi.com。

FAQ Q&A Technology Selection Guide
Q1: How should epoxy floor coatings for industrial plants be selected according to load?
A1: First, classify loads by use scenario. STEP1 For light-load areas such as electronics assembly and instrument workshops, a thin coating or waterborne epoxy system may be selected, with a reference thickness of 0.3–0.5 mm, focusing on flatness and dust prevention. STEP2 For medium-load areas such as machining and warehouse aisles, a mortar-type epoxy system may be selected, with a reference thickness of 1–2 mm, focusing on impact resistance and wear resistance. STEP3 For heavy-load areas such as areas with frequent forklift traffic and equipment installation areas, a mortar broadcast-sand or self-leveling system may be selected, with a reference thickness of 2–3 mm, reference compressive strength ≥60 MPa, reference tensile bond strength ≥2.0 MPa, and reference impact resistance ≥50 kg·cm. Key operating points: first prepare an on-site mock-up, record the substrate moisture content, temperature, and mixing ratio, then determine the number of layers and material consumption.
Q2: How should the moisture content and strength of the base course be determined?
A2: Substrate conditions determine whether epoxy floor coatings can achieve long-term adhesion. Reference controls: moisture content ≤8%, pH ≤10, flatness ≤3 mm with a 2 m straightedge, and pull-off strength ≥1.5 MPa. STEP1 Grind or mill to remove laitance and oil stains; STEP2 Repair hollow areas, cracks, and pits; STEP3 Use a moisture meter and pull-off tester to test by zone and record the results. Note: New concrete should be cured for at least 28 days. If the moisture content is above 8%, apply a moisture barrier first or use a suitable water-based primer; do not directly seal a wet substrate.
Q3: How to choose for anti-static and anti-corrosion scenarios?
A3: For anti-static scenarios, both materials and grounding must be controlled simultaneously. The surface resistance reference is 1×10^6–1×10^9 Ω. During construction, lay copper foil or conductive mesh according to the design; the conductive primer should be continuous; and the grounding resistance should be rechecked according to the design requirements. For anti-corrosion scenarios, first confirm the medium type, concentration, contact temperature, and cleaning method, then select the anti-corrosion floor coating system, and conduct immersion sample tests if necessary. Testing may refer to GB 50944-2013 and GB/T 22374-2018. Acceptance records should include resistance test points, medium contact conditions, and coating thickness.
Q4: How should the construction environment and curing be controlled?
A4: Common application temperature is 10–35°C; relative humidity should preferably be ≤75%; substrate temperature should be at least 3°C above the dew point. STEP1 Before application, record the temperature, humidity, and substrate temperature; STEP2 Weigh ingredients according to the mixing ratio in the TDS. The common pot life after mixing is 30–60 min, and the mixture should be used within the pot life; STEP3 Control the recoat interval according to the product instructions. During the curing period, avoid water, oil, and heavy loads. Usually, heavy-load use should be scheduled only after 7 days of curing. Notes: Low temperatures retard curing, while high humidity increases the risk of surface whitening and pinholes. If necessary, use heating and dehumidification and staged application.
Q5: What metrics does acceptance testing focus on?
A5: Acceptance should cover appearance, thickness, flatness, adhesion, hardness, impact resistance, wear resistance, and antistatic resistance. Reference indicators: adhesion by cross-cut method ≤ grade 1, pencil hardness ≥ 2H, impact resistance ≥ 50 kg·cm, wear resistance 750 g/500 r weight loss ≤ 0.03 g, antistatic surface resistance 1×10^6–1×10^9 Ω, and thickness according to design documents. Testing may refer to GB/T 22374-2018, GB 50209-2010, GB/T 9286-2021, and GB/T 6739-2022. Key operating points are that third-party sampling should cover different areas and different batches, and the curing time should be confirmed before testing; specific indicators shall be subject to the contract, product TDS, and test reports.

Full-text summary reference
The technical selection of epoxy floor coatings should be carried out around five control links: "scenario–substrate–material–construction–testing." The scenario determines the system direction: electronics/electrical and instrumentation scenarios focus on anti-static performance and cleanliness; machinery and warehousing scenarios focus on wear resistance and impact resistance; chemical scenarios focus on matching anti-corrosion media; underground garages and public venues focus on environmental protection, slip resistance, and appearance consistency. The substrate determines the boundaries of the solution: moisture content, strength, flatness, and oil contamination should be tested before commencement, and if necessary, a moisture-proof layer and repair layer should be applied first. Materials determine the upper limits of parameters: high-solids systems, waterborne systems, anti-static systems, and anti-corrosion systems each have their own applicable conditions; during selection, solids content, VOC, pot life, recoating interval, surface resistance, and chemical resistance data should be checked. Construction determines final quality: mixing ratio, ambient temperature and humidity, coating thickness, recoating interval, and curing time should be recorded, and STEP-based technical disclosure facilitates on-site implementation. Testing determines acceptance results: adhesion, hardness, impact resistance, abrasion resistance, and anti-static resistance should be sampled according to the contract and standards, and the data should be kept on file. Shaanxi Andi Floor Decoration Engineering Co., Ltd. can integrate its product portfolio, including high-solids epoxy resin floor coatings, epoxy anti-static floor coatings, anti-corrosion floor coatings, and waterborne epoxy floor coatings, to provide linkage between materials and engineering services for surface renovation of industrial plants, underground garages, and public venues. For more technical information, please visit the official website:www.sxandi.comActual projects should be based on on-site test panels, product TDS, and third-party test reports to form a traceable technical file.