Foam Sponge coating waterproof test
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Foam Sponge coating waterproof test Please refer to the conclusion and video on the detail page.
5.0
design customization
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Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Brand
Yonghang
Customized support
yes
Place of Origin
China
OEM
yes
Foam Sponge coating waterproof test，Please refer to the conclusion and video on the detail page.
| Comparison of water absorption of common foams | |||
| Foam type | water absorption (24h immersion) | structural characteristics | waterproof / moistureproof performance |
| PE foam | <3% | closed cell structure, low breathability | ★★★★★ (excellent) |
| EVA foam | 3%-8% | Semi-open cell structure, medium breathability | ★★★★☆ (medium) |
| PU foam | 5%-15% | open cell structure, high breathability | ★★★★☆ (surface treatment required) |
| CR foam | 10%-20% | open cell/ semi-open cell | ★★★★ (waterproof coating required) |
| Silicone foam | <1% | closed cell/ microporous | ★★★★★ (fully waterproof) |
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YONGHANG specializes in produce and custom coated transmission belts for 12 years.
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