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High Density Sponge Lining

High-density sponge lining is a high-quality cushioning material made of high-rebound, high-density polyurethane sponge, with excellent compression resistance, durability and cushioning protection performance. It is widely used in the lining packaging of precision instruments, electronic products, gift packaging, medical equipment, high-end wines and other products, effectively preventing shock, drop and wear, ensuring safety during transportation and storage.
1. High-density material
Density range: 30kg/m³ to 80kg/m³ (customizable according to needs), compact structure, strong pressure resistance, and not easy to deform after long-term use.
2. Excellent cushioning performance
High rebound characteristics can absorb impact force, disperse pressure, and protect products from vibration and collision damage.
3. Durable and wear-resistant
Strong wear resistance, it can still return to its original shape after repeated squeezing, extending the service life of the packaging.
4. Lightweight design
Light weight, will not increase the overall packaging burden, while providing stable support.
5. Environmental protection and safety
Comply with international environmental standards (such as SGS, RoHS), non-toxic and odorless, suitable for sensitive industries such as food and medical.
6. Customized service
Support cutting shape, size, thickness (common thickness 5mm~100mm) according to customer needs, and can be coated, velvet and other surface treatments.
Application scenarios
Electronic products: shockproof inner boxes for cameras, mobile phones, tablets, etc.
Precision instruments: fixed buffer for optical equipment and precision parts.
Gift packaging: lining protection for high-end cosmetics and jewelry boxes.
Alcohol transportation: anti-collision isolation layer for red wine and white wine bottles.
Industrial field: storage protection for mechanical parts and fragile items.
Additional services
Surface treatment: glue compound, flocking, PU coating, etc., to enhance beauty and functionality.
Color customization: provide standard colors such as black, white, gray, etc., support Pantone color card color selection.
Special shape: CNC precision cutting of special-shaped holes, adapted to complex product structures.
Why choose our high-density sponge lining?
✅ Professional production: more than 10 years of industry experience, strict quality control, ISO 9001 certification.
✅ Fast delivery: support small batch trial production and large-scale orders, 7-15 days shipping.
✅ Cost optimization: reasonable material selection suggestions to help you balance protection performance and packaging costs.
Consult now: provide sample testing and solution design, tailor the best protection for your product!

| Project | Parameter Range
| Density | 30-80kg/m³
| Rebound rate | ≥90%
| Tensile strength | 80-150kPa
| Compression set | ≤5% (70℃×22h)
| Working temperature | -30℃~+80℃
(Note: The above parameters are general models, specific needs can be adjusted by contacting customer service.)
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