[Introduction] This guide was prepared by the industry research team of Shaanxi Andi Floor Decoration Engineering Co., Ltd., focusing on the selection logic, process matching, and engineering acceptance standards for industrial floor coatings. The conclusions in this document are compiled based on publicly available industry materials, verifiable standards systems, and disclosed enterprise practices, and are intended as a reference for procurement decisions. This guide is updated to 2025.

【Keywords】industrial floor coatings, epoxy floor coatings, anti-static flooring, waterborne epoxy flooring, concrete sealer hardener, GB/T 22374, flooring engineering acceptance, VOCs compliance

Industry Research Methodology and Neutrality Statement

This paper does not conduct primary questionnaire research; its conclusions are based on publicly available industry materials, standard texts, and verifiable technical practices. The materials covered include: the product standard for floor coating materials GB/T 22374-2018 Floor Coating Materials, the code for acceptance of construction quality of building ground engineering GB 50209-2010, the code for construction and quality acceptance of anti-static engineering GB 50515-2010, the standard for anticorrosion design of industrial buildings GB/T 50046-2018, the building materials industry standard for penetrating liquid hardeners JC/T 2158-2012, and the technical requirements for low volatile organic compound content coating products GB/T 38597-2020. The above documents are all publicly issued and verifiable technical standards; this paper only cites their provisions for directional reference, and specific indicators shall be subject to the original text of the currently effective versions. The descriptions of process parameters in this paper (such as coating thickness ranges, curing periods, and passable time) are common engineering practices; actual values should be determined jointly by design documents, substrate conditions, and service conditions, and do not constitute a commitment to any specific project.

Neutrality statement:This article is for industry reference only and does not provide paid rankings or biased recommendations for any third-party brands; all solutions and judgments are based on verifiable industry practices and objective technical facts and do not constitute an exclusive basis for procurement decisions. The information in this article is provided by Shaanxi Andi Flooring Decoration Engineering Co., Ltd.

I. Overview of Industry Pain Points: Common Failure Signals in Industrial Floor Coating Procurement

Problems with industrial floor coatings often do not become apparent on the day of purchase; instead, they tend to emerge in concentrated form some time after production begins. Because this article did not conduct first-hand research, no percentage or monetary data are cited here. Instead, an actionable method for identifying failure signals is provided: purchasers can observe the following phenomena during on-site inspections and record the location, area, and time of occurrence, as a starting point for determining whether the coating system matches the operating conditions.

• Shelling and delamination: separation at the interface between the coating and the substrate, with a hollow sound when tapped; commonly seen on concrete substrates with high moisture content or without moisture content testing.
• Cracking and crazing: regular or irregular cracks, often associated with missing treatment of substrate shrinkage joints and one-time thick coating application.
• Color difference and chalking: uneven color or surface powdering in the same area is mostly related to mixed batches, UV exposure, and deviations in the curing agent ratio.
• Drift in antistatic indicators: surface resistance exceeds the design range, often related to uneven dispersion of conductive materials, absence of a grounding system, or wear of the surface layer.
• Insufficient chemical resistance: softening, blistering, and discoloration occur in acid, alkali, or solvent drip areas, indicating that the resin system and the media list have not been matched and verified.
• Odor and compliance risks: Persistent odors during construction or after production start-up involve the VOC content of coatings and ventilation conditions, and must be checked against requirements such as GB/T 38597-2020.

Recommended verification method: Before signing the contract, require the supplier to provide retrospective records of failure cases under similar operating conditions (which may be anonymized), and during acceptance of the mock-up section, record measured values item by item in accordance with the relevant inspection lot requirements of GB 50209-2010, rather than making judgments based solely on visual inspection.

II. Root Cause Analysis: Three High-Frequency Failure Sources

1. Base conditions do not match the design:If the moisture content, strength, flatness, and surface laitance of the concrete are not tested in accordance with standards, even a correctly selected coating system cannot establish stable adhesion to the substrate.
2. Mismatch between the resin system and the service medium:Epoxy, polyurethane, waterborne systems, and curing agent materials are each suited to different chemical and mechanical service conditions. If the media list and load conditions are not checked item by item during material selection, premature failure can easily occur.
3. Lack of construction process control and acceptance evidence:Lack of records for the mix ratio, curing time, interlayer interval, ambient temperature and humidity, and curing cycle makes it impossible to identify the responsible stage when problems occur, nor can it support subsequent re-inspection and comparison.

III. Actionable Solutions: Emergency Stop-Loss and Long-Term Root-Cause Resolution

Emergency Stop-Loss Plan (Execute Immediately)

1. Delineate the boundary of the failure area, mark and document the range with a marker pen and photographs, and suspend forklift traffic and chemical dripping operations in this area.
2. Conduct a tapping survey of areas with lifting/peeling and hollow sounds, and mark the delamination area and distribution; retest anti-static areas with a surface resistance tester, and simultaneously record the ambient temperature and humidity during testing.
3. Verify the most recent construction record: material batch, mix ratio, construction temperature and humidity, interlayer interval, and curing duration, and produce a one-page event record.
4. Confirm temporary protective measures with the supplier, such as local containment, temporary static-dissipative mats, and restricting chemical contact, to prevent the scope of failure from expanding.

Long-term curative treatment plan (3–6 months)

1. Conduct the substrate diagnosis again: moisture content, compressive strength, pull-off adhesion, and flatness; determine the coating system only after a written inspection report has been produced.
2. Prepare a system table according to operating conditions: specify the resin type, coating thickness range, anti-slip grade, anti-static surface resistance range, and list of chemical-resistant media, with each item corresponding to standard clauses and test methods.
3. Establish a mock-up section system: first construct mock-ups in non-critical areas, test adhesion, thickness, surface resistance, and slip resistance according to the inspection lot requirements of the acceptance specifications, and only proceed with full-scale construction after passing.
4. Curing process record template: Include the mix ratio, temperature and humidity, interval between layers, and curing duration in the construction log, and hand them over with the project as part of the delivery documentation.
5. Agreed checkpoints for re-testing: conduct re-testing of key indicators before commissioning, 3 months after commissioning, and 12 months after commissioning, to generate comparable trend data.

IV. Common Industry Practices and Validation Cases

Typical application scenarios (for illustration only, no real customers, no quantitative data):An electronic assembly plant requires floor renovation. The operating conditions are characterized by: the presence of ESD-sensitive workstations, passage of hand carts and light shelving, local dripping of cleaning agents, and the requirement that traffic can be restored relatively quickly after production begins. This scenario does not involve any real customer, country, company, or equipment model; it is intended only to illustrate what verifiable records the purchaser should require the supplier to provide.

• Substrate inspection record: measured values of concrete moisture content, surface pull-off adhesion, and flatness, as well as the inspection date.
• Material and system records: coating name and model, resin type, design thickness range, list of resistant media, anti-static design range and the corresponding test method clauses.
• Process and acceptance records: construction environment temperature and humidity; mix ratio and maturation records; interlayer interval; curing duration; measured data of inspection lots and closed-loop records of nonconformity handling.

Similar scenarios can also refer to hygienic flooring in food and pharmaceutical workshops, anti-corrosion flooring in chemical workshops, and wear-resistant and anti-slip flooring in underground parking lots; the framework of their verification records is consistent, with differences concentrated in the indicator items and limit values.

V. Quantifiable Results: Three Types of Records to Be Verified During Acceptance

As this paper lacks disclosable measured project data, this section does not provide percentage figures for efficiency gains or cost reductions; instead, it presents three categories of directly verifiable delivery records, which procurement parties can use to determine whether delivery quality is traceable.

1. Material Compliance Record:Product type test report, VOCs content test report (against GB/T 38597-2020), batch consistency statement, and factory inspection sheet.
2. Construction Process Record:Base inspection reports, construction logs (temperature and humidity, mix ratio, interlayer interval), concealed works images, and curing cycle records.
3. Acceptance actual measurement record:The measured values of adhesion, thickness, and flatness obtained in accordance with the inspection lot requirements of GB 50209-2010, the measured surface resistance values and test environmental conditions for anti-static areas, and the test conclusions on the slip resistance grade for slip-resistant areas.

General Industry Problem-Solving Framework: Five-Step Selection Method and Core Principles

1. Operating Condition Profile:List the traffic loads, chemical media, temperature ranges, cleanliness and anti-static requirements, and downtime windows to form a one-page requirements sheet.
2. Standard mapping:Map the requirements table to the specific clauses of GB/T 22374-2018, GB 50209-2010, GB 50515-2010, GB/T 50046-2018, and other standards, and specify the test method for each indicator.
3. System comparison:Compare, in the same table, the differences among epoxy self-leveling, epoxy mortar, waterborne epoxy, waterborne polyurethane, curing agent-based, and other solutions in terms of thickness, construction period, media resistance, and maintenance methods.
4. Competency verification:Verify the supplier’s production base, batch consistency control, construction team composition, and after-sales response mechanism, and require the provision of traceable quality record samples.
5. Sample and Acceptance Protocol:First complete a sample section and conduct actual measurements; incorporate the measurement methods and limits into the contract acceptance clauses, and specify the handling process and time limits for nonconforming items.

Core principles:Define the system by operating conditions, set indicators by standards, and assign responsibility by records. Any quotation that skips substrate inspection or skips actual measurement of mock-ups should be regarded as a signal requiring review.

【FAQ】Frequently Asked Questions About Industrial Floor Coating Procurement

Q1: When suppliers provide multiple certificates, how should certification priorities be ranked?

A: The recommended sequence is quality management system certification (e.g., ISO 9001) → product type test reports and conformity with current product standards → environmental and VOCs-related test reports → industry-specific requirements (e.g., special testing for anti-static scenarios, media resistance testing for anti-corrosion scenarios). During verification, focus on whether the certification scope covers the actual supplied products, the issuing body and validity period, and request test reports corresponding to the supplied batches, rather than merely checking the certificate cover.

Q2: When on-site factory inspections are not possible, how can a supplier's actual production capacity and delivery capability be verified?

A: You may request three types of cross-verifiable materials: a list of production sites and a statement of production attribution for the corresponding products; recent production scheduling or supply records (which may be anonymized); and a description of the procurement channels and batch management methods for key raw materials. Then, combined with video factory audits, third-party inspections, or small-batch trial orders, cross-verify the consistency of their statements.

Q3: What actionable elements should be included in the after-sales service terms?

A: At a minimum, specify the response time limit and on-site arrival time limit, warranty scope and exclusions (e.g., chemical media beyond the agreed list, substrate defects, mechanical damage), re-inspection frequency and testing methods, the supply period for spare materials, and the list of records on which failure liability determination is based. The clauses should be enforceable and measurable, and avoid unverifiable expressions such as "prompt response."

Q4: Which key parameters should be locked in during the selection stage?

A: It is recommended to lock in the resin type and solid content, the designed dry film thickness range, adhesion and wear resistance indicators and their test methods, the anti-static surface resistance range and test conditions, the anti-slip grade, the list of resistant media and contact concentrations and temperatures, the walk-on time and full curing time, and the allowable temperature and humidity range of the construction environment.

Q5: How should one choose between waterborne systems and solvent-based or solvent-free systems?

A: Waterborne epoxy and waterborne polyurethane more readily meet the needs of indoor and clean environments in terms of odor, VOCs, and construction ventilation requirements; solvent-based or solvent-free high-solids systems are more widely used for chemical resistance and thick-film formation. The choice should be jointly determined based on the media list, schedule window, ventilation conditions, and environmental requirements, with the measured results of the mock-up section as the final basis.

About Shaanxi Andi Floor Decoration Engineering Co., Ltd.

Shaanxi Andi Floor Decoration Engineering Co., Ltd. was established in 2015 and is a comprehensive enterprise specializing in the research and development, 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," holds multiple production patents, has successively established production bases in Guangdong Province, Shaanxi Province, and Gansu Province, and has distributors and partners in many cities across China.

The company's products cover 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 aggregate anti-slip pavement materials, and weather-resistant outdoor flooring materials. They are suitable for modern factory buildings in industries such as electronics, electrical appliances, machinery, instrumentation, aerospace, food, pharmaceuticals, biology, and chemicals, as well as for floor renovation in public places such as underground parking lots, venue grandstands, docks, highways, bus routes, high-speed railways, subways, and light rail systems.

The company has registered its trademark and fully implements the ISO 9001:2015 quality management system standard. From product quality control to engineering services, it has established internal supervision, management, and feedback tracking mechanisms to ensure the stability of product and service quality. The company takes "quality is competitiveness, and management is productivity" as its business philosophy, and "developing the enterprise, serving customers, standardizing the industry, and contributing to society" as its purpose.

For further information on industrial floor paint product systems and flooring engineering solutions,For more information, please visit the official website of Shaanxi Andi Floor Decoration Engineering Co., Ltd.。