Polyaspartic FAQ

The UV resistance of polyaspartic is the core guarantee for its long-term outdoor applications (such as photovoltaic power stations, coastal buildings, and bridges). Its aliphatic molecular structure provides weathering resistance far superior to aromatic materials. Core Accelerated Aging Tests 1. QUV Ultraviolet Aging (ASTM G154) Test conditions: UVB-313 lamp (0.71 W/m² @ 340 nm) 0 °C UV exposure for 8 h 50 °C condensation for 4 h Key indicators: 2. Xenon-arc Aging (ISO 4892

The impact resistance of polyaspartic is its core advantage over traditional brittle materials such as epoxy resin, making it particularly suitable for applications subject to frequent mechanical impacts—such as industrial floors, mining equipment, and logistics sorting centers. Standardized Laboratory Test Methods 1. Falling Ball Impact Test (Normal Impact) Standard: ASTM D2794 (U.S. Standard) Method: A steel ball of specified mass (0.5–5 kg) is dropped freely from a height

Abrasion resistance is one of the core advantages of polyaspartic, making it particularly suitable for high-frequency wear scenarios such as industrial flooring, ore chutes, and logistics warehouses. Standard Laboratory Testing Methods 1. Taber Abrasion Test (Rotary Wear) Standard: ASTM D4060 (U.S.) Principle: A specified abrasive wheel (e.g., CS-10 rubber wheel, 1 kg load) is rotated against the specimen (500–5000 cycles), and the mass loss (mg) or volume loss (mm³) is

The waterproof performance of polyaspartic needs to be verified through systematic testing, covering basic properties, long-term weather resistance, and simulation of actual working conditions. Basic Waterproof Performance Testing 1.Permeability Resistance Test Testing Method: Hydrostatic Pressure Method (GB/T 23446): Place the coating sample in a permeable device, apply water pressure (0.1–2.5 MPa), and record the maximum pressure value at which water begins to permeate.

Polyaspartic is a high-performance polymer material combining the chemical characteristics of polyurea and aspartic ester. Molecular Composition and Reaction Mechanism Polyaspartic is formed through a chemical reaction between two primary components: Isocyanate: Usually aliphatic isocyanates (e.g., HDI, IPDI), known for high reactivity and weather resistance. Aspartic Ester: A specialized amine compound acting as a blocked amine chain extender, which delays the reaction rate,

Polyaspartic is a high-performance coating widely applied in industrial protection, flooring, automotive, and wind energy sectors due to its rapid curing, excellent weather resistance, superior abrasion resistance, and strong mechanical properties. Color technology is crucial for achieving diverse decorative effects and functional requirements. Selection of Colorants 1. Pigments The most commonly used and important colorants. Inorganic Pigments: Such as titanium dioxide

The curing of polyaspartic is based on a unique chemical reaction mechanism involving a highly efficient cross-linking reaction between isocyanates and aspartic esters, resulting in a dense three-dimensional network structure. Fundamental Chemical Reaction Polyaspartic curing is essentially a stepwise polymerization reaction between isocyanate groups (-NCO) and amine groups (-NH₂) from aspartic esters, forming urea linkages (-NH-CO-NH-). The reaction can be expressed as: {R

Formulation optimization of polyaspartic is a precise, systematic process aimed at balancing performance, application properties, cost, and environmental requirements. The core of this process involves adjusting component ratios, incorporating functional additives, selecting novel raw materials, and optimizing process parameters to enhance the overall performance of the coating. Core Component Optimization 1. Selection and Combination of Polyaspartic Ester Resins Reactivity

The weather resistance of polyaspartic originates from its unique chemical structure, choice of material components, and cross-linked network properties, enabling long-term stability under complex environmental conditions such as ultraviolet (UV) radiation, temperature fluctuations, humidity, and chemical corrosion. Chemical Structure and Basis of Weather Resistance 1.Core Role of Aliphatic Isocyanates UV resistance: Polyaspartic employs aliphatic isocyanates (such as HDI and

Recently, Shenzhen Feiyang Protech Corp., Ltd. achieved another remarkable milestone in Corporate Social Responsibility (CSR) and sustainability, earning the prestigious ECOVADIS Silver Medal with an outstanding score of 73 points, outperforming 91% of assessed companies worldwide. This significant accomplishment underscores Feiyang Protech's position among the top 15% globally for CSR performance and highlights its exemplary practices in environmental management, labor and

The development of polyaspartic is a representative evolution of high-performance materials. Its advancement has consistently focused on addressing the shortcomings of traditional polyurea—primarily extremely short gel times, high sensitivity to temperature and humidity, and strict equipment requirements—while pursuing superior comprehensive performance and construction convenience. Phase 1: Initial Technology and Concept Validation (Late 1980s – Early 1990s) 1. Maturity and

The waterproofing capability of polyaspartic originates from its unique chemical structure, physical characteristics, and application advantages, forming a continuous, dense, and highly elastic protective layer that effectively blocks water penetration. Molecular Structure: Dense Crosslinked Network 1. Three-dimensional Crosslinked Structure Polyaspartic is formed by the reaction between isocyanate (-NCO) and aspartic ester (-NH2), generating carbamate groups (-NH-CO-O-) to

The wear resistance of polyaspartic is a key advantage that enables its durability under conditions of high mechanical stress, particularly in industrial flooring, parking lots, and logistics warehouses. Its wear resistance results from an integrated approach involving chemical structural design, physical performance optimization, and functional modifications. Chemical Structure and Molecular Basis of Wear Resistance 1.High Crosslink Density Polyaspartic forms a three

The corrosion resistance of polyaspartic is derived from its dense cross-linked structure, chemical inertness, and functional design, enabling it to withstand various corrosive media, including acids, bases, salts, and solvents. Molecular Structure and Chemical Inertness 1. Highly Cross-linked Network Structure Polyaspartic polyurea forms a three-dimensional cross-linked network through the reaction between isocyanate (-NCO) and aspartic ester (-NH₂). The small molecular

The full name of the product "Polyaspartic" is "Polyaspartic Ester Polyurea". It comprises two components, A and B. Component A is polyaspartic ester resin, and Component B is isocyanate curing agent. These components are individually sealed and packaged, mixed uniformly on-site in a specific ratio, exhibit low viscosity, and cure rapidly. Introduction to Polyaspartic Polyaspartic ester is a new type of aliphatic, slow-reacting, high-performance coating material in the

The environmental performance of polyaspartic is its core advantage over traditional solvent-based coatings, particularly suitable for sensitive environments such as food factories, hospitals, and schools. The systematic environmental testing framework and certification details are as follows: Core Environmental Indicator Test Methods 1. VOC (Volatile Organic Compounds) Testing Standards: GB 38507-2020 (water-based coatings), ISO 11890-2 (Headspace Gas Chromatography)

Polyurea coatings, renowned for their exceptional protection, waterproofing, and anti-corrosion capabilities, are widely utilized across various construction applications, including flooring, roofing, pools, and bridges. These coatings significantly extend the lifespan of construction surfaces. The durability and maintenance of polyurea coatings are topics of interest. With proper application and maintenance, polyurea coatings can last for 25 years without issues, barring

Achieving a flawless execution in waterproof coating projects is far from being as simple as it seems. It's not just about applying the coating; every step is crucial. Besides selecting high-quality waterproof coatings, understanding the properties of these coatings, adhering to proper techniques, and paying close attention to every detail are essential to ensure a leak-proof outcome. Only through meticulous execution can the waterproofing be done right, ensuring absolute

Despite both being resins, polyaspartic resin and epoxy resin are distinct materials. Structural Differences: Polyaspartic resin, an aliphatic compound with amino-active groups, derives its name from its unique aspartic acid structure, typically existing in a liquid state. Epoxy resin, more commonly known, is a type of polymer containing multiple epoxide groups and belongs to the aromatic family. It can be either liquid or solid. Different Curing Agents: Polyaspartic resin

What is the composition of polyurea? Polyurea is an elastomeric material made by the reaction of isocyanate component (referred to as A component) and amino compound (referred to as B component), which is a new type of non-polluting, solvent-free, high-performance green coatings containing repeated urea groups in the molecular structure. Through the efforts of experts for decades, aromatic polyurea, aliphatic polyurea, polyaspartic polyurea and other polyurea with different