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Research on the Risks and Alternative Solutions of Atomic Ash in Furniture Manufacturing

　Published by：2025-12-14　　Categories:Industry news　Viewed by: 771 times

Solvent based atomic ash is gradually being replaced by water-based putty due to issues such as excessive VOC (over 160g/L) and cracking caused by mismatched thermal expansion coefficient with wood. Research has shown that the VOC content of water-based repair putty can be controlled at ≤ 5g/L, and through elastic polymer modification, its adhesion to wood can reach above 0.55MPa, with a shrinkage rate of less than 0.8%. The case shows that after replacing atomic ash in a furniture factory, the customer complaint rate decreased by 80%, and the average annual cost of rework was reduced by more than 200000 yuan.

Atomic ash (polymer putty), as a traditional repair material, is widely used due to its convenient operation, but its potential risks in furniture manufacturing are increasingly prominent, mainly reflected in the following aspects:

Significant health hazards

Atomic ash is based on solvent based resin and releases harmful gases such as benzene and formaldehyde during construction. Its VOC content far exceeds environmental standards, and long-term exposure can easily cause respiratory diseases, skin allergies, and even chronic poisoning in workers. For example, workshop workers often experience symptoms such as dizziness and pharyngitis, resulting in a high turnover rate and increased labor costs for the company.

Environmental compliance pressure

High VOC emissions pose a risk of furniture factories failing environmental impact assessments, and some companies have been ordered to shut down due to excessive exhaust emissions, requiring additional investment to install treatment equipment. Especially for children's furniture or customized indoor products, the chemical residue of atomic ash may cause customer complaints and legal disputes.

Repair quality defects

Atomic ash has a large difference in thermal expansion and contraction coefficients with wood, and is prone to cracking and falling off due to changes in temperature and humidity. Bulging or cracking often occurs at repair sites, which affects the durability of furniture. For example, the rework rate of solid wood furniture significantly increases in low temperature environments during rainy or winter seasons.

Low operational efficiency

It is necessary to strictly mix the curing agent according to the proportion, as novice operators may make mistakes, resulting in material waste or uneven curing. The layered filling process is time-consuming, with limited repair area per day, which affects overall production efficiency.

2、 Environmentally friendly alternative solution: advantages of Hanlin water-based repair putty

In response to the drawbacks of atomic ash, water-based repair putty (such as Hanlin series) has become the industry's preferred solution through technological innovation, with the following core advantages:

Using plant resin formula and water as dilution medium, the VOC content is extremely low. It has passed international environmental certification and has no pungent odor during construction, significantly improving the working environment for workers. A furniture factory's actual test shows that the health problems of workers have decreased and the pass rate of environmental protection testing has increased.

The polymer structure endows the material with elasticity and strong resistance to shrinkage, making it less prone to cracking or sinking after long-term use and suitable for dynamic deformation of wood. For example, furniture that has been repaired and subjected to temperature and humidity cycling tests shows better stability than traditional materials.

No need for adjustment design simplifies the process, ready to use, and beginners can quickly get started. Single filling dries quickly, significantly improves repair efficiency, reduces material loss and rework costs. Some manufacturers have reported that the daily workload of workers has doubled.

Provide multi-color options, covering common wood tones, with no color difference after repair, especially suitable for light or high-end furniture, reducing customer complaint rates. In actual testing, there has been a significant reduction in returns due to color differences.

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