The PVC Embossing Board sandwich composite sandwich structure is a structural material composed of two layers of high-strength, high-modulus thin panels and thicker light-weight core material in the middle. Common core materials are wood, honeycomb, closed-cell aluminum foam, or polymer foam. PVC Embossing Board panel materials are strong and hard metal or fiber-reinforced composite materials, plywood, etc. So what is the type of PVC Embossing Board sandwich structure? Let's take a look next.

Here is that the content list:

• The traditional sandwich structure of thermosetting resin surface layer

• Glass epoxy surface layer PVC core layer sandwich composite structure

• PVC surface polyurethane composite sandwich panel

The traditional sandwich structure of thermosetting resin surface layer

The surface layer of PVC Embossing Board is mostly continuous fiber reinforced thermosetting material. Glass fiber reinforced epoxy resin composite laminates are used as the inner and outer panels, and PVC foam is used as the core material to construct a double-layer sandwich composite structure. The drop weight impact test of PVC Embossing Board shows that the position of the inner panel has a significant impact on the impact response of the double-layer sandwich structure; the double-layer sandwich structure of PVC Embossing Board can achieve better resistance than the single-layer sandwich structure under certain conditions. Lateral low-speed impact performance; double-layer sandwich structure with the best impact resistance.

Glass epoxy surface layer PVC core layer sandwich composite structure

The multi-walled carbon nanotubes of the surface layer material have a significant impact on the fatigue performance of the sandwich composite material. The results show that its value is about 75% or less of the static breaking load of the conventional sample, and the initiation and propagation of cracks in the sample are significantly delayed. A light-weight, impact-resistant PVC honeycomb panel, including two panels and a core plate, sandwiched in between. The core plate of the PVC Embossing Board is a PVC honeycomb panel. The upper and lower sides of the honeycomb panel are covered with rubber cushions to prevent the template, compared with the PVC honeycomb panel due to its high hardness, it will cause excessive stress and cracks, which play a buffering effect, and also improve the effect of moisture and sound insulation; the outer surface of the panel is covered with a glass fiber cloth, which plays a flame retardant effect. PVC Embossing Board thermoplastic surface layer, continuous fiber-reinforced thermosetting surface layer, and the core layer are mostly connected by glue, which is easy to fall off and has poor water resistance. The thermoplastic surface layer is fastened through its fusion, and its performance is stable.

PVC surface polyurethane composite sandwich panel

The PVC Embossing Board sandwich panel is made of PVC board on both sides and polyurethane foam as the core layer. The two are composited by molding. The sandwich composite board has good fireproof, waterproof, thermal insulation effects, and a short processing cycle. The test results show that PVC as the surface layer of the panel has the best flame retardant performance and sound absorption coefficient. Use hard PVC as the surface layer and foam layer as the core layer to produce a PVC sandwich plastic template. And through experiments, a reasonable formula for the inner layer was obtained. This PVC Embossing Board is waterproof, insect-proof, has a high turnover rate, and can be recycled. Using Al or PVC foam as the core layer and CNT-reinforced nanocomposite board as the surface layer, a PVC Embossed Board sandwich structure was fabricated, and the high-order buckling and free vibration behaviors of two sandwich beams were studied.

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