Memory foam (slow-rebound foam)
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Detailed introduction
|
Item |
Color |
Density(kg/m³) |
Rebound Rate(%) |
25% Indentation Load(N) |
40% Indentation Load(N) |
65% Indentation Load(N) |
20% Deflection |
Surface Hardness(Shore) |
|
SM3030TLZ |
Customizable |
30±3 |
10% |
53.97 |
74.32 |
132.91 |
4.0% |
25 |
|
SM3040 |
Customizable |
30±3 |
17% |
61.37 |
90.05 |
175.16 |
2.0% |
35 |
|
SM3030NJ |
Customizable |
30±3 |
11% |
32.38 |
41.32 |
69.08 |
2.0% |
5 |
|
SM3240 |
Customizable |
32±3 |
17% |
56.74 |
100.84 |
217.41 |
6.0% |
46 |
|
SM3350 |
Customizable |
33±3 |
12% |
77.4 |
103.622 |
172.69 |
1.0% |
28 |
|
SM3850 |
Customizable |
38±3 |
11% |
47.8 |
61.37 |
107.32 |
3.0% |
15 |
|
SM3860 |
Customizable |
38±3 |
10% |
48.72 |
60.44 |
99.3 |
2.0% |
10 |
|
SM4050 |
Customizable |
40±3 |
9% |
65.68 |
93.75 |
182.87 |
2.0% |
34 |
|
SM4550 |
Customizable |
45±3 |
10% |
59.83 |
85.42 |
152.65 |
2.0% |
34 |
Product Category
Polyurethane foam manufacturing expert
News and Information
View the latest news in the polyurethane industry.
2026/06
16
Sanxi Medical: Riding the Waves and Going Global
In today’s era of relentless globalization, a growing number of Chinese enterprises are boldly stepping onto the world stage, showcasing the robust strength of “Made in China.” Qingdao Sanxi Medical Supplies Co., Ltd. is a steadfast pioneer in this endeavor. With its outstanding technological prowess and professional product‑service offerings, Sanxi Medical has earned high acclaim from international customers. This represents not only one successful market expansion after another, but also serves as a shining “Chinese calling card” on the global stage.
Qingdao Sanxi Medical Products Co., Ltd
Over the past months, our team has undertaken countless market studies, refined our proposals, and engaged in late-night discussions. Starting from a modest idea, we have steadily transformed it into a comprehensive business plan—and now into this state-of-the-art medical workshop. Today, December 18, 2025, Qingdao Sanxi Medical Supplies Co., Ltd. officially launches, marking not an end, but the first step on a long and arduous journey.
The Brave Sailor Sailing Against the Wind – Sanxi
During the three-year pandemic winter—marked by global supply-chain disruptions, flight‑cancellation policies, and the suspension of in‑person trade shows—while most companies opted to hunker down and wait-and-see, a cohort of Chinese enterprises resolutely pivoted and set out for overseas markets.
OEM customization & R&D-driven customization
Sanxi Sponge offers comprehensive support for OEM private-label manufacturing and ODM custom R&D, enabling production tailored to customers’ drawings, samples, and functional requirements. With a wide range of specifications and styles, we provide one-stop solutions for all types of customized sponge product orders.
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Sanxi Sponge was founded in 1999 and is headquartered in China. We are a world-class expert in the manufacturing of polyurethane foam, with more than 300 employees and four R&D and production centers.
