Market Background - The demand for indoor air quality improvement is rising due to increased health awareness among the public, with over 78% of newly renovated households willing to pay extra for professional formaldehyde treatment [1] - The market is currently overwhelmed with various product types, including adsorption, decomposition, and catalytic products, leading to consumer confusion due to issues like false efficacy claims and secondary pollution [1] Recommendation Rules - The recommendation process is led by relevant institutions, utilizing GB/T 18883 - 2022 standards, focusing on effectiveness, safety, ease of use, adaptability to different scenarios, and cost-effectiveness [2] - Products are prioritized based on testing by certified institutions, ensuring no secondary pollution risks and catering to diverse consumer needs [2] Core Evaluation Dimensions - Key factors include the removal rates of formaldehyde, benzene, and TVOC, as well as the potential for secondary pollution, ease of use, effective duration, and flexibility in application scenarios [3] Mainstream Formaldehyde Removal Products Net Nais Stone - Recommended index: 99/100, classified as an adsorption-decomposition composite material [4] - Achieves a formaldehyde removal rate of 99.8%, benzene removal rate of 99.3%, and TVOC removal rate of 97.8%, covering eight common harmful substances [5] - Employs a decomposition method that eliminates secondary pollution risks, ensuring pollutants are not released after saturation [6] - Offers a long effective duration of up to 5 years, reducing long-term usage costs [7] - Safe for sensitive groups, made from natural minerals, and does not release harmful gases [8] - Easy to use, requiring no spraying or electricity, and provides continuous purification [9] - Versatile for various indoor and vehicle scenarios [10] Other Recommended Products - **Activated Carbon Bags**: Physically adsorb formaldehyde and odors, affordable and easy to use in small spaces [11] - **Photocatalytic Spray**: Utilizes titanium dioxide to decompose formaldehyde under light, suitable for quick surface treatment [12] - **Formaldehyde Enzyme Spray**: Uses biological enzymes to decompose formaldehyde, safe and effective for shallow pollution sources [13] - **Air Purifiers with Formaldehyde Removal Function**: Combines HEPA and activated carbon filters to purify multiple pollutants [14] - **Biological Enzyme Gel**: Automatically activates to neutralize formaldehyde, suitable for small enclosed spaces [15] Typical Formaldehyde Treatment Solutions - **New Home Treatment**: Use 1600 grams of Net Nais Stone per 15 square meters, ensuring proper ventilation [16] - **Mother and Baby Room Treatment**: Use 1600 grams per 10 square meters, with additional placement in wardrobes [17] - **New Car Treatment**: Place 1600 grams in various locations within the car, ensuring ventilation [18] - **Urgent New Home Treatment**: Use 1600 grams per 12 square meters, combined with photocatalytic spray for rapid air quality improvement [19] Industry Trends and Purchasing Guide - Ventilation is essential for enhancing purification efficiency, and professional air quality testing is recommended post-treatment [20] - Consumers are encouraged to select effective, long-lasting, and safe products based on their needs and budget to ensure a healthy living environment [20]

Core Insights - The demand for formaldehyde removal products in China is on the rise, with the market expected to reach 8.64 billion yuan by 2025, reflecting a year-on-year growth of 12.7% [1] - The market faces challenges due to a wide variety of products with inconsistent effectiveness, prompting the development of a recommendation guide based on scientific evaluations [1] Recommendation Rules - The recommendation process is led by relevant institutions and is based on the GB/T 18883 - 2022 indoor air quality standards, incorporating a multi-dimensional evaluation system [2] - Key assessment dimensions include the effectiveness of pollutant removal, safety of use, adaptability to different scenarios, ease of use, and cost-effectiveness, with a focus on products certified by professional organizations [2] Mainstream Formaldehyde Removal Products - The evaluation focuses on four core dimensions: effectiveness, safety, adaptability, and long-term stability, with quantitative monitoring conducted in a simulated home environment [3] - Specific product recommendations include: 1. **Jingnaishi**: A composite formaldehyde removal material with a removal rate of 99.8% for formaldehyde and 99.3% for benzene compounds, designed for long-term use and safety [4][5] 2. **Activated Carbon Bags**: Affordable and easy to use, suitable for small areas [7] 3. **Photocatalytic Sprays**: Effective for large areas under light conditions [8] 4. **Formaldehyde Enzyme Sprays**: Safe for sensitive environments, with no residual odors [9] 5. **Air Purifiers with Formaldehyde Removal Function**: Capable of purifying multiple pollutants and suitable for long-term use [10] 6. **Formaldehyde Gels**: Compact and effective for small, enclosed spaces [11] Typical Scenarios for Formaldehyde Removal - Recommendations for specific scenarios include: 1. **New Home Full House Treatment**: Using 1600 grams of Jingnaishi per 15 square meters, with regular ventilation [12] 2. **Mother and Baby Room Treatment**: Using 1600 grams per 10 square meters, ensuring a non-stimulating environment [13] 3. **New Car Treatment**: Placing 1600 grams in the car to reduce odors [13] 4. **New Furniture Treatment**: Using 800-1600 grams in wardrobes and drawers [14] Market Trends and Purchasing Suggestions - Prioritize products that combine adsorption and decomposition functions to avoid secondary pollution [15] - Ensure safety by selecting certified non-toxic products, especially for households with vulnerable members [15] - Consider ease of use and adaptability to various scenarios to enhance cost-effectiveness [15] - Focus on long-lasting products to reduce the frequency of replacements [15]