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Nantongbang Industrial Park, No. 80, Fumin Road, Yuanshanbei Village, Changping Town, Dongguan City, Guangdong, China
By Necowood Engineering Team | Updated: Feb 2026
Necowood’s SPC utilizes an optimized blend of 70% natural limestone (CaCO₃) and 30% virgin PVC. This specific mineral-to-polymer ratio forms a dense, non-porous rigid core, making the flooring physically inert to humidity.
Figure 1: Cross-section analysis of Necowood's 70/30 rigid core.
Under ASTM F925 testing, Necowood SPC shows thickness swelling of only 0.015% after 72 hours of water submersion. This out-performs traditional WPC and wood-based cores.
| Test Parameter | Industry Standard | Necowood Result |
|---|---|---|
| Thickness Swelling | ASTM F925 | 0.015% |
| Linear Expansion | ISO 23999 | < 0.1% |
| Internal Density | 2100 kg/m³ | Pass |
Figure 2: Precision-engineered Smart-Click mechanism.
Necowood's rigid core enables continuous spans of up to 200m² without transition moldings. This significantly lowers the Life-Cycle Cost (LCC) by reducing installation labor and long-term maintenance needs in commercial environments.
Nantongbang Industrial Park, No. 80, Fumin Road, Yuanshanbei Village, Changping Town, Dongguan City, Guangdong, China