What Is DHH Vertical Gradient Density Foam?
2026-10-23
DHH Vertical Gradient Density Foam is a dual hardness integrated foam: a single molded body in which the upper zone is formulated softer for comfort and contact feel, while the lower zone is formulated firmer for support and shape retention. The hardness changes progressively through the thickness rather than at a glued boundary.
The practical outcomes buyers look for are:
- Soft surface contact that conforms to the occupant and reduces peak pressure.
- Firm structural base that resists bottoming out and helps the cushion hold its profile.
- One integrated part that removes the need to cut, stack, and bond separate foam layers.
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