Optimizing Steam Flow: 40 PPI vs. 60 PPI Open Cell Silicone Sponge in Garment Machinery

Jul 18, 2026 Leave a message

Alex Thompson
Alex Thompson
Alex has been working at Sanpu Silicone Co., Ltd for 15 years. With profound knowledge in silicone rubber products, he is responsible for product R & D, ensuring the company's products stay at the forefront of the industry.

 

 Garment press manufacturers and ironing table purchasing managers continuously struggle with uneven steam distribution and premature pad degradation. Traditional polyurethane or lower-grade rubber materials break down rapidly under continuous high-temperature steam exposure, causing localized water pooling and component failure. Utilizing an industrial-grade 60 ppi open cell silicone sponge or its 40 PPI counterpart resolves these thermal and breathability challenges directly at the material level.Interconnected Cell Structure and Gas/Liquid Flow Dynamics

Unlike closed-cell structures that trap air, an open-cell matrix features a completely interconnected network of voids. This specialized lattice works as a highly efficient structural breathability pathway.

60ppi and 40ppi open cell silicone sponge mat of Sanpu1

Steam Permeability: The open cellular matrix allows high-temperature steam to pass through the pad instantly without creating backpressure or condensation buildup.

Moisture Management: Rapid gas dissipation prevents moisture accumulation, protecting underlying metal components from rust and stopping water spots from staining fabrics during pressing.Pressure

Distribution: Because air displaces freely upon mechanical compression, the pad maintains a perfectly uniform pressure profile across the entire surface area.

Thermal Stability: Our specialized breathable silicone foam retains its mechanical properties under continuous operations up to 250°C, preventing the crisping or melting common in lower-tier foam materials.

Elimination of Hot Spots: Constant airflow across the cell matrix ensures uniform thermal conductivity, allowing adhesives to melt evenly during heat transfers.

Compliance Ready: All materials fulfill strict RoHS compliance standards, ensuring no toxic off-gassing occurs at high operating temperatures.

Resilience and Shock Absorption Under Constant Load Commercial ironing presses operate under repetitive pneumatic clamping loads, forcing materials to withstand thousands of compression cycles daily.

Low Compression Set: Our silicone formulations exhibit exceptional elastic recovery, returning to original thickness immediately after pressure release.

Vibration Isolation: The open-cell grid structure dampens mechanical shock from heavy press components, protecting sensitive internal heating elements.

Longer Service Lifespans: High resilience means fewer pad replacements, lower maintenance overhead, and more predictable production line yields. Custom Thickness, Post-Processing, and Low-MOQ Supply .Every commercial garment press design requires unique dimensional tolerances and specific mounting configurations.

open cell silicone sponge mats

Operating out of a 13,000-square-meter facility with over 40 advanced production lines, Sanpu Silicone delivers specialized engineering services directly to your specifications:

  •   Tailored Dimensions: We supply precise custom thicknesses and roll dimensions tailored for global commercial ironing equipment brands.Value-Added Processing: We offer accurate die-cutting for specialized shapes alongside high-temperature pressure-sensitive adhesive (PSA) backing for rapid machinery installation.
  •   Flexible Sourcing: To optimize your inventory capital, we offer a 0-MOQ policy for stock items and a low 20-square-meter MOQ for custom runs, backed by our 1-million-square-meter annual capacity.
  •   Upgrade Your Equipment Padding:Ensure your commercial machinery delivers consistent pressure and superior steam management with verified industrial-grade silicone.

 

Contact our technical team today to request a Free Sample or to download our full RoHS test reports.

 

 

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