When buyers first contact us about silicone foam dressings, size is often the first question.
“Do you have 10 × 10 cm?”
Usually, we do. But after discussing the project for a few minutes, size often turns out to be the easiest part.
The more useful questions are about structure, absorption, silicone adhesion, wound-contact design, sterilization and the final packaging format.
We have worked on foam dressings in standard squares, long rectangular formats and a number of anatomical shapes. Although these products all fall under the same general category of silicone foam dressing, they are not necessarily the same product with a different outline.
From a manufacturing perspective, the structure matters just as much as the dimensions.

What Is Inside a Silicone Foam Dressing?

One of the silicone foam dressing structures in our product range uses five functional layers:

1. Waterproof Protective Film
2. Ultra-Absorbent Layer
3. Non-Woven Spreading Layer
4. Hydrophilic Foam Layer
5. Silicone Contact Layer

Each layer has a separate role.
The outer protective film provides the external covering. Beneath it, the absorbent and spreading layers work together to receive, distribute and retain fluid.
The hydrophilic foam provides additional absorption and cushioning, while the silicone contact layer sits closest to the wound and surrounding skin.
This multilayer approach is common in modern foam-dressing design because fluid handling depends not only on the foam itself, but also on how fluid is transported and retained through the complete dressing structure. Published wound-care research has likewise found that differences in materials, internal layers and construction can significantly affect the performance of foam dressings. PubMed Central (PMC)
For us as a manufacturer, this is an important point. Two dressings may look almost identical from the outside but behave differently once their internal construction changes.

Absorption Is More Than a Single Number

One question we hear frequently is:
“How much liquid can the dressing absorb?”
Based on our current product specifications, the fluid absorption capacity of some configurations can reach approximately 10–15 times the dressing's own weight, depending on the dressing structure and test conditions.
The last part is important.
We do not think absorption should be discussed as one fixed number for every foam dressing.
Changing the foam thickness, absorbent structure, product dimensions or testing method can change the result.
In wound care, fluid handling also involves more than initial absorption. The dressing needs to move exudate away from the contact area, distribute it through the structure and retain it appropriately. Research on commercially available foam dressings has demonstrated meaningful differences in fluid handling and retention between products with different designs. PubMed Central (PMC)
That is one reason absorption requirements can be discussed during an OEM project rather than treating every silicone foam dressing as a fixed specification.

We Make More Than Standard Square Foam Dressings

If you look through our product files, square dressings are only one part of the range.
Our existing product formats include:

• Bordered self-adhesive foam dressings
• Non-bordered foam dressings
• Adhesive and non-adhesive versions
• Perforated foam dressings
• Silver-containing foam dressings
• Heel dressings
• Heart-shaped dressings
• Butterfly-shaped dressings
• Tracheostomy dressings
• Square and rectangular dressings
• Long-strip formats
• Foam dressing rolls

Different appearance options, including white, pink, skin-tone and brown, have also been developed.
The variety of shapes is not simply decorative. Anatomical areas can create different requirements for coverage, fixation and dressing geometry. Heel- and sacral/anatomical-style foam dressings, for example, are established formats within professional wound-care product design. PubMed Central (PMC)
This is why we normally ask customers where and how the finished product is intended to be positioned before discussing a custom shape.

From 5 × 5 cm to Larger and Anatomical Formats

Our existing product documentation contains more than 20 finished dressing dimensions.
They range from compact formats such as:
5 × 5 cm
through common sizes including:
7.5 × 7.5 cm
10 × 10 cm
12.5 × 12.5 cm
15 × 15 cm
and larger formats such as:
20 × 20 cm
22 × 22 cm
23 × 23 cm
We also manufacture rectangular formats such as 5 × 12 cm, 10 × 20 cm, 10 × 30 cm and 15 × 30 cm, together with anatomical and specially shaped products.
For one of our standard bordered designs, for example, the relationship between finished size and absorbent pad is approximately:

These examples come from our existing product specifications.
For OEM projects, customers are not limited to catalogue dimensions. Both size and shape can be customized.

Small Details Can Change the User Experience

Some details are easy to overlook when discussing a product on a specification sheet.
The release liner is one example.
Some of our bordered silicone foam dressing designs use a two-piece release liner. Instead of exposing the entire silicone surface at once, the liner can be removed in stages during application.
It sounds like a minor construction detail, but these are exactly the things we discuss when developing a finished product.
The same applies to silicone adhesion.
Too much adhesion is not automatically better. The dressing needs enough fixation for its intended use while also considering removal from surrounding skin. Soft silicone wound-contact technologies are widely used partly because they can provide adhesion to intact skin while helping reduce trauma associated with dressing removal. PubMed Central (PMC)
For OEM projects, silicone adhesion can therefore be adjusted according to the requested product specification.

What Can Actually Be Customized?

When we say we provide silicone foam dressing OEM services, we do not mean simply putting a customer's logo on a standard box.
Our current customization capabilities include:

• Product
  • Dressing size
  • Dressing shape
  • Foam thickness
  • Absorption requirements
  • Silicone adhesion
  • PU film color
  • Silver-containing versions
• Branding
  • Logo printing on the release liner
  • Customer brand logo
  • Private-label artwork
• Packaging
  • Individual packaging
  • Customized retail boxes
  • Instructions for use
  • Customized packaging design

On the manufacturing side, our capabilities cover silicone coating, lamination, die cutting and packaging.
This allows us to discuss the product itself before moving to branding.
Two customers may both ask for a 10 × 10 cm foam dressing, for example, but one may require a different foam thickness, silicone adhesion, absorption specification or packaging configuration.
From the outside, they look like the same size.
From a production perspective, they can be different projects.

Gamma Sterilization and Individual Sterile Packaging

Sterilization is another part of the process that buyers should confirm before placing an order.
Our silicone foam dressings use gamma irradiation sterilization and are supplied in individual sterile packaging.
Gamma irradiation is an established sterilization technology for medical devices; FDA materials note that radiation, including gamma, is widely used for devices requiring sterilization, while recognized standards such as ISO 11137 address development, validation and routine control of radiation sterilization processes. U.S. Food and Drug Administration
For private-label projects, individual packaging can also be combined with customized retail boxes, branding and instructions.

What We Check Before a Dressing Leaves Production

A good sample is important, but for a silicone foam dressing manufacturer, repeatability during mass production matters more.
Our appearance requirements include:

• Clean product surface
• Neat and even edges
• No adhesive overflow
• Uniform adhesive surface

Production also involves control of the product dimensions and the specification agreed with the customer.
This is particularly important for custom-shaped products. A butterfly, heel or tracheostomy dressing cannot be evaluated in exactly the same way as a standard square pad.
For buyers, we recommend confirming the final drawing and specification during the sample stage before moving into mass production.

MOQ, Samples and Production Lead Time

These are usually among the first commercial questions we receive, so it is useful to explain them clearly.
For our current silicone foam dressing projects:

• Small-size products: MOQ starts from approximately 5,000 pieces.
• Larger-size products: MOQ is generally around 1,000–2,000 pieces, depending on the specification.

For customers who want to evaluate an existing product first, existing samples can be provided free of charge.
A new customized sample normally requires around 2–3 weeks, depending on the project.
For production:

• Regular orders: approximately 30 days
• Customized orders: approximately 30–40 days

These lead times are general references. Final timing depends on the confirmed structure, size, packaging and order requirements.
For a custom project, we prefer to confirm these details before giving a final production schedule rather than promising the same lead time for every specification.

What Information Helps Us Quote an OEM Project?

If you are contacting us about a new foam dressing project, sending only:
“Please quote 10 × 10 cm foam dressing.”

is enough to start a conversation, but not enough for an accurate OEM proposal.
It helps if you can also tell us:

• Required size
• Shape
• Bordered or non-bordered design
• Adhesive or non-adhesive
• Foam thickness requirement
• Absorption requirement
• Silicone adhesion preference
• Whether silver is required
• PU film color
• Packaging format
• Branding requirements
• Estimated order quantity
• Target market

If some of these details are not yet decided, that is also normal.
We can start from an existing sample and work through the specification step by step.

Working With Wuhan Hangu Technology

At Wuhan Hangu Technology, we work with international customers on medical and cosmetic patch products, including silicone foam dressings and other wound-care solutions.
For foam dressing projects, our work can cover product specification, sample development, silicone coating, lamination, die cutting, sterilization coordination, individual packaging and private-label packaging.
We also support projects requiring special shapes, different dimensions, silver-containing configurations and customized product appearance.
For us, one-stop OEM service does not mean offering every customer the same product with a different box.
It means understanding what the customer wants to build and then determining which parts of the structure, dimensions, materials, adhesion and packaging need to change.

Final Thoughts

There is much more variation in silicone foam dressings than the product name suggests.
A 5 × 5 cm square dressing, a large bordered dressing, a heel design, a butterfly shape and a tracheostomy dressing may all belong to the same general product family, but their construction and manufacturing requirements are not identical.
For medical buyers, looking beyond size makes supplier evaluation much easier.
Ask about the internal structure.
Ask how absorption is evaluated.
Ask whether silicone adhesion can be adjusted.
Ask about sterilization.
Ask what can genuinely be customized rather than simply rebranded.
Those questions usually tell you much more about a medical foam dressing manufacturer than a catalogue alone.