Fir fingerboard E1 and below. The environmental performance is not satisfactory, and the environmental standards still fall short of E0. This creates a clear contradiction with the previous paragraph. The finger joints of the fir are not well-wooded, making it unsuitable for deep drying—since deep drying would significantly reduce the structural strength, rendering it unusable. The moisture content in the wood is relatively high, which leads to strong adhesion to glue. As a result, a type of adhesive with a higher formaldehyde content must be used. The fir is first cut into small pieces, then subjected to deep drying. After that, the small pieces are split open, and the glued sections—rich in formaldehyde—are applied to the joints and smaller components before being pressed together under pressure. Fir fingerboard E1 and below. The environmental performance is not satisfactory, and the environmental standards still fall short of E0. This creates a clear contradiction with the previous paragraph. The finger joints of the fir are not well-wooded, making it unsuitable for deep drying—since deep drying would significantly reduce the structural strength, rendering it unusable. The moisture content in the wood is relatively high, which leads to strong adhesion to glue. As a result, a type of adhesive with a higher formaldehyde content must be used. The fir is first cut into small pieces, then subjected to deep drying. After that, the small pieces are split open, and the glued sections—rich in formaldehyde—are applied to the joints and smaller components before being pressed together under pressure. This process helps maintain the integrity of the structure while ensuring proper bonding. However, due to the high moisture content and the use of formaldehyde-based adhesives, this material may not be the best choice for environments where low emissions are a priority. It's important to note that while this method is common in some production lines, it may not align with modern sustainability goals or stricter environmental regulations. Therefore, when selecting materials for furniture or construction, it's crucial to consider both performance and environmental impact. China Slot Nuts,T Track Nuts supplier & manufacturer, offer low price, high quality T Slot Nuts Bunnings ,Tee Slot Nuts, etc. Slot Nuts,T Track Nuts,T Slot Nuts Bunnings ,Tee Slot Nuts Kunshan Zhonggu Precision Hardware Co., Ltd. , https://www.zgfastener.com
