Oak wooden door frame boards feature rigorous specifications tailored to their natural hardness and interior application needs, ensuring durability and aesthetics.
In dimensions, standard lengths range from 2000mm to 2440mm, aligning with common indoor door heights; custom lengths up to 3000mm are available for tall doors. Widths typically span 120mm–350mm, with wide boards reinforced via finger-jointing to prevent deformation. Thickness varies by door type: 28mm–32mm for regular interior doors, and 35mm–45mm for heavy solid wood or entry doors, ensuring sufficient load-bearing capacity.
For physical properties, moisture content is strictly controlled at 8%–12%, matching indoor humidity to avoid cracking or warping. The air-dry density is 0.65g/cm³–0.75g/cm³, with a grain compressive strength of around 60MPa, delivering high hardness and impact resistance to withstand long-term door opening/closing forces.
In environmental and process standards, formaldehyde emission meets E1 grade (≤1.5mg/L); solid oak boards (without adhesives) achieve formaldehyde-free levels. Surfaces undergo fine sanding to a roughness of Ra≤3.2μm, highlighting oak's natural grain. Joints use mortise-tenon structures or high-strength wood glue, with gaps ≤0.15mm; premium products add edge sealing for enhanced moisture resistance.
Material requirements mandate no dead knots (knots over 8mm in diameter are removed), no insect damage or decay, and uniform grain to ensure both appearance and longevity.
Company Profile
As a pioneer in funeral product manufacturing since 2005, Cao County Huifengyuan Wooden Co., Ltd. specializes in premium wooden coffins, coffin accessories and related funeral products. Strategically located in China's timber industry hub of Zhuangzhai Town, Shandong Province, our 30,000 square meters advanced production base combines two decades of specialized craftsmanship with modern manufacturing excellence.
Contact Us
If you prefer to any products in our website: www.hfycoffin.com, please feel free to contact us:
Sales manager: Grace Xu
Tel: +86-15553066858
Email: grace@hfywooden.com
General manager: Junhai Wang
Tel:+86-13395403000
Email: junhai@hfywooden.com
Sales manager: Fiona Hou
Tel: +86-13385400063
Email: junhai@hfywooden.com
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