1.Raw Material Quality Testing

Metal Testing
Objective: To ensure that steel meets design requirements and durability standards, guaranteeing the strength and stability of the final product.
Testing Procedures:Chemical Composition Analysis: Utilize spectroscopic or chemical methods to analyze the major alloy elements and impurities in the steel, ensuring compliance with standard specifications.

Hardness Testing: Employ methods such as Brinell Hardness (HB), Rockwell Hardness (HR), and Vickers Hardness (HV) to determine the hardness of the steel, ensuring its wear resistance and strength.Tensile Strength Testing: Use a tensile testing machine to measure the maximum stress the steel can endure before breaking, assessing its tensile strength and ductility.

Wood Testing
Objective: To verify the strength and stability of wood, ensuring its performance in furniture meets design specifications.
Testing Procedures:Moisture Content Testing: Measure the moisture content of wood using drying methods or electromagnetic moisture meters, ensuring it falls within the standard range to prevent deformation or cracking due to moisture changes.

Density Testing: Measure the volume and mass of the wood to calculate its density, evaluating the structural stability and durability of the wood.

Strength Testing: Conduct bending and compressive strength tests to assess the wood's load-bearing capacity and structural stability under load.

2. Structural Performance Testing

Static Load Test
Objective: Assess the strength and stability of load-bearing components under specified loads to ensure they do not deform or sustain damage during actual use.
Testing Procedures: Apply a predetermined static load to components such as seats, tabletops, and shelves. Record any deformation, deflection, or potential damage caused by the load. Observe the degree of deformation and structural stability of the furniture components under load to ensure they maintain stability and safety under normal usage conditions.

Anti-Tip Test
Objective: Ensure that tall or top-heavy furniture does not easily tip over during use, thereby avoiding safety hazards.
Testing Procedures: Apply external forces to the furniture from various angles (e.g., through inclines or weights) to simulate tipping scenarios in real-world use. Evaluate the furniture's stability against tipping under different external forces, ensuring it has sufficient anti-tip capability to prevent tilting or collapse during actual use.

3. Surface Treatment and Coating Testing

Cross-Cut Adhesion Test
Objective: Evaluate the adhesion of coatings or plating to ensure they do not peel off.
Testing Procedures: Create a crosshatch pattern on the sample surface using a cross-cut test tool. Apply standard adhesive tape over the cut area and quickly peel it off. Examine the coating for any peeling. This test determines the adhesion strength of the coating or plating, ensuring it is securely attached to the substrate and will not flake off during use. Evaluating the adhesion helps verify the coating's durability and long-term effectiveness.

Salt Spray Test
Objective: Assess the corrosion resistance of metal components.
Testing Procedures: Expose metal components to a salt spray environment in a test chamber for durations ranging from 24 hours to several thousand hours. This test simulates corrosive conditions in a humid environment. It helps evaluate the product’s resistance to corrosion in real-world conditions and ensures that metal parts remain stable and perform effectively under various climatic conditions.

Scratch Resistance Test
Objective: Measure the scratch resistance of the coating to ensure the surface remains visually appealing and functional during use.
Testing Procedures: Perform scratch resistance testing using a scratch test device to simulate real-world scratching conditions. Apply specific scratching forces to assess the coating's resistance to scratches. This test evaluates the scratch resistance of surface coatings, including those on metal parts and wood veneers.

Pencil Hardness Test: Assess the hardness of the coating using pencil hardness testing. Apply pressure with pencils of varying hardness levels to the coating surface and check for scratches. Pencil hardness scales, such as HB, HRC, and HRB, are used to determine the coating's hardness and ensure its durability and resistance to wear.

Coating Thickness Test
Objective: Ensure the protective performance of the coating.
Testing Procedures: Use a coating thickness gauge to measure the thickness of the coating, evaluating the product's durability and performance. The coating thickness directly affects its protective effects, such as rust resistance and corrosion resistance. Accurate measurement of the coating thickness ensures it meets international standards and effectively protects the furniture surface from damage. Ensuring the coating thickness meets requirements helps improve the product's lifespan and overall quality.

Color Difference / Spectrometer Test
Objective: Ensure color consistency and avoid color deviation issues.
Testing Procedures: Use a color difference meter and spectrometer to measure color. The color difference meter provides color difference data (ΔE) to assess the consistency of the furniture color. The spectrometer offers high-precision color measurement data, suitable for complex color analysis. For steel-wood furniture, ensure the color matches brand requirements to avoid color discrepancies due to material or coating differences. This helps maintain the product's uniform appearance and aesthetic appeal.

Edge Banding Quality Test
Objective: Ensure edge banding adhesion is secure with no delamination or lifting issues.
Testing Procedures: Evaluate edge banding quality through manual peel testing and scratch resistance testing. Manual peel testing checks if the edge banding is firmly adhered and if there is any delamination. Scratch resistance testing assesses whether the edge banding material can withstand scratching without lifting or damage. Ensuring edge banding quality is crucial for maintaining the neat appearance and durability of the furniture.

Adhesion Strength Test
Objective: Measure the adhesion strength of melamine or PVC veneers to MDF boards.
Testing Procedures: Use peel testing to evaluate adhesion strength. This test examines the bonding effectiveness between the veneer and the substrate, ensuring no peeling or detachment during use. High adhesion strength guarantees the veneer’s durability and stability on the furniture, enhancing the overall quality and longevity of the product.

4.Material Performance Testing

Moisture Resistance Test
Objective: Ensure MDF (Medium-Density Fiberboard) or particleboard stability in humid environments to prevent deformation, swelling, or strength reduction in wet conditions, thereby maintaining the furniture's performance and longevity.
Testing Procedures:Water Immersion Test: Completely submerge the sample board in water for a specified period (e.g., 24 hours), then remove it and measure any dimensional changes (such as thickness and width). This test simulates real-world conditions of prolonged exposure to high humidity.High Humidity Exposure Test: Place the sample in a high-humidity environment (e.g., 85% RH and 40°C) for a specified period (e.g., 48 hours). Examine the board for changes in dimensions, appearance deformation, or strength alterations. This test mimics long-term use in humid environments.

Heat Resistance Test
Objective: Assess the furniture surface's tolerance to high-temperature objects to ensure that it does not undergo color changes, deformation, or damage under high-temperature conditions, thereby preserving the furniture's aesthetics and functionality.
Testing Procedures: Place a high-temperature object (e.g., a metal plate heated to 80°C or 100°C) on the furniture surface for a specified duration (e.g., 30 minutes). After removing the high-temperature object, inspect the furniture surface for color changes, surface damage (such as discoloration, delamination, or bubbling). This test simulates real-life scenarios where the furniture comes into contact with hot objects (e.g., hot drinks or cookware).

Formaldehyde Emission Test
Objective: Ensure that the furniture complies with environmental standards, particularly regarding formaldehyde emission, to safeguard consumer health. Formaldehyde is a harmful volatile organic compound that can have adverse effects on human health.
Testing Procedures: Use a formaldehyde detector or conduct formaldehyde emission testing in a laboratory. Place the sample (e.g., a board) in a sealed test chamber, maintain specified temperature and humidity conditions, and measure the amount of formaldehyde emitted during the test period. Compare the results with E0 (very low formaldehyde emission) or E1 (low formaldehyde emission) standards to ensure the product meets international environmental requirements.

5.Dimensions and Appearance Testing

Angle Measurement
Objective: Ensure the accuracy of product angles to avoid assembly issues.
Testing Procedures: Use an angle gauge to measure the accuracy of various angles. Check for angle deviations. Precision in every angle is essential for high-quality furniture. We use angle gauges to ensure accuracy in each angle to prevent assembly problems caused by angle deviations. For example, during part processing, ensure the accuracy of 90-degree angles to guarantee perfect assembly and functionality of the final product.

Dimensional Accuracy Testing
Objective: Ensure the accuracy of product specifications and dimensions.
Testing Procedures: Check the dimensions at each processing step to ensure the precision of hole positions and other measurements. Dimensional accuracy is crucial for smooth furniture assembly. We perform dimensional checks at each processing step to avoid assembly issues caused by dimension deviations. For instance, during automated machine drilling, we ensure the precision of hole positions to prevent installation problems in the final product.

Appearance Testing
Objective: Detect surface smoothness and defects.
Testing Procedures: Check for color differences, uneven coating, surface deformations, or contamination. Appearance testing aims to ensure that the product surface is free from protrusions, burrs, or other defects. For steel-wood furniture, this includes checking for color discrepancies, uneven coating, surface deformations, dimensional anomalies, or contamination. Our inspection standards usually involve visual checks from about 1 foot away to ensure that each piece of furniture meets high-quality appearance requirements.