Self-skinning high waterproof series

Overview: Sanxi self-skinning high waterproof series utilizes a self-skinning foam structure, featuring a dense surface layer for waterproofing and impermeability, and excellent internal elasticity for shock absorption and sealing. It is resistant to wear and aging, with strong deformation recovery, and is suitable for multiple working conditions. It is widely used in automotive and electronic sealing scenarios.

Features:

Applications:

Advantages:


1.Stable waterproofing even with low compression
2.Soft and excellent resilience
3.Superior durability
4.A wide range of products to meet various customer needs
5.Environmentally friendly products (RoHS certified)
Self-skinning high waterproof series
Self-skinning high waterproof series
Self-skinning high waterproof series
Self-skinning high waterproof series
Self-skinning high waterproof series
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  • Self-skinning high waterproof series
  • Self-skinning high waterproof series
  • Self-skinning high waterproof series
  • Self-skinning high waterproof series
  • Self-skinning high waterproof series

Detailed introduction

Code

Feature

Density

Tensile Strength

Elongation

Compression Force Deflection

Compression Set

Air Permeability

Water Tightness at 50% compression

kg/m³

KPa

%

KPa

%

ml/cm²/s

KPa/24h

SX-HM/SX-HMG

Standard Waterproof.Superior Durability.Low Air Permeability

36

150

210

7.9

5

1>

0.98

SX-HPU

Standard Waterproof. Flame retardant(UL94-HBF)

55

100

170

8

3

2

0.29

SX-HP/SHPG

High Standard Waterproof.Superior Durability.

48

147

200

7.8

5

1>

1.27

SX-H/SX-HG

High Standard Waterproof

60

166

210

6.4

8

1>

1.47

SX-H3U

Standard Waterproof. Flame retardant(UL94-HBF)

60

160

150

10.7

5

1>

0.98

SX-H3/SX-H3G

Super High Standard Waterproof

60

196

130

11.3

4

1>

2.94

SX-H4

Super High Standard Waterproof

60

215

130

11.8

5

1>

4.90

SX-H6/SX-H6G

Super High Standard Waterproof

60

235

130

12.7

7

1>

5.88

Product Category

Polyurethane foam manufacturing expert

Medical and Hygiene

Patient Positioning

Automotive Electronics

Sponge

Finished Products

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.

2025/12

18

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.

2023/01

23

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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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