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Sponge
Summary:
Category:
Product Description
Product structure: Composed of polyethylene, polyurethane, rubber‑plastic and other types of foamed materials, bonded to various nonwoven fabrics, 3M paper, and aluminum‑foil adhesive layers.
Product Features: The external dimensions are designed according to the customer’s specified requirements, and the materials are selected based on the operating environment of each type of product for different customers. The product offers vibration and noise reduction, sound insulation, thermal insulation, heat retention and sound absorption, dust‑proof sealing, and flame retardancy.
| Serial number | Test Items | Testing standards | Measured results | Note | |
| Direct coating | Undercoating | ||||
| 1. | Peel adhesion strength | GB/T 2792-1998 | The substrate has fractured, making it impossible to perform a peel test. | 0.24 kN/m | / |
| 2. | Sustained stickiness | GB/T 4851-1998 | Sheds in 25 minutes | After 120 minutes, the adhesive surface slides down. | / |
| 3. | Initial adhesion | GB/T 4582-2002 | 32# steel ball | 12# steel ball | / |
| 4. | Thermal denaturation | GB/T 3512-2001 | -0.2% | -0.1% | 120℃, 2h: measure the rate of dimensional change. |
| 5. | High and low temperature resistance | GB/T 3512-2001 | No softening or flaking. | -30℃ to ambient temperature of 140℃, with four cycles performed within 24 hours. | |
Product Applications: These products are widely used in various automotive and construction‑equipment applications, including cabs, counterweights, and panels. They are now maturely deployed on construction machinery from SANY, Hyundai, LiuGong, Yuchai, and other leading manufacturers.
Development cycle: Samples available within 7 business days.
Production capacity: 2,000 units/day;
After-sales three-guarantee service: 3,000 hours or two years
Keywords:
Sponge
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Contact Information
Address: Changzhou Economic and Technological Development Zone, Jiangsu Province, China
Phone:+86 519 85128730
Fax: +86 519 85128720
Email:donghaixj@163.com ddff63@qq.com
Website: www.czdhxj.com
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