Thick PU Vinyl vs Puff Heat Transfer Vinyl: The Difference Between Two 3D Printing Techniques

Oct 09, 2025

In the world of heat transfer decoration, three-dimensional texture has become a major trend. Whether for streetwear brands, custom T-shirts, or creative fashion printing, raised and tactile graphics are attracting more and more attention. Among the popular 3D heat transfer materials, Thick PU Vinyl and Puff Heat Transfer Vinyl stand out for their unique visual effects and application methods.
But what’s the real difference between the two? Let’s take a closer look.

1. What Is Thick PU Vinyl (Thick Heat Transfer Film)?

Thick PU Vinyl, also known as 3D Thick Plate Heat Transfer Vinyl, is made of high-density polyurethane (PU) material with a thickness typically ranging from 300μm to 600μm.
This material is known for its solid, layered texture and smooth edges after cutting. Once heat-pressed, it forms a raised, rigid finish that stays flat and durable even after multiple washes.

Key Features:

Sturdy 3D effect with a smooth, solid surface
Great for bold logos, block letters, and simple patterns
Excellent resistance to cracking and fading
Ideal for sportswear, uniforms, bags, and branding applications

Effect Style:
The result is sharp-edged and structured, similar to embossed rubber or silicone labels.

2. What Is Puff Heat Transfer Vinyl?

Puff Vinyl, on the other hand, creates its 3D effect through a chemical foaming reaction during heat pressing.
This special vinyl expands when heated, forming a soft, fluffy, and cushion-like surface. The texture is lighter and more flexible compared to thick PU.

Key Features:

Expands during heat pressing, forming a soft, foam-like texture
Lightweight, breathable, and suitable for large-area designs
Offers a cozy, playful look for casual wear or children’s clothing
Ideal for T-shirts, hoodies, fashion apparel, and creative prints

Effect Style:
Soft and puffy, like foam — giving the design a cloud-like or marshmallow look.

3. Main Differences at a Glance

Comparison Item	Thick PU Vinyl	Puff Vinyl
Material	Solid PU compound	Foaming PU layer
Thickness	300–600μm	100–300μm (expands when heated)
Surface Texture	Hard, flat, and smooth	Soft, matte, and spongy
3D Effect	Structured, high relief	Fluffy and rounded
Application	Logos, emblems, bags	T-shirts, hoodies, streetwear
Durability	Very strong, anti-crack	Softer, may flatten after washing
Feel	Firm and dense	Soft and elastic

4. Which One Should You Choose?

If you’re aiming for a premium, structured, or professional look — such as sports logos, brand labels, or bag decoration — Thick PU Vinyl is the better option.
If you want a fun, soft, and fashion-forward look for streetwear or creative apparel, Puff Vinyl will deliver the charm you need.

For many garment designers, using both materials in combination can create multi-layered and mixed textures, elevating the overall 3D visual impact.

5. Final Thoughts

Both Thick PU Vinyl and Puff Heat Transfer Vinyl are redefining the 3D printing landscape in the apparel industry.
Choosing the right one depends on your design goals, target market, and desired texture.

At Haoyin, we provide both high-quality Thick PU Vinyl and Puff Heat Transfer Vinyl rolls with stable performance, vibrant colors, and customizable sizes — helping your designs stand out in every detail.