What are the benefits of PU soles?

Last Updated: February 27,

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Polyurethane is rapidly becoming the material of choice for footwear. For instance, polyurethane shoes are popular in the world of sports. The material is also used to create work boots and various casual footwear like slides. Why is that? Polyurethane is a versatile polymer that has a variety of applications, and when it comes to slide soles, it offers several benefits over traditional materials such as leather and rubber.

Why Use Polyurethane for Slide Soles?

Lightweight

Chemical and Water-Resistant

This material is highly resistant to chemicals and water, making it an excellent material for use in slides, ensuring that the end product is durable and can withstand exposure to different elements.

Strong Grip

Soles made of this material provide an excellent grip on different surfaces since it enables a firm grip on the surface, reducing the risk of slips and falls.

Excellent Shock Absorption

Polyurethane is also a great shock-absorbing material, which makes it ideal for slides. The material helps to reduce the impact of each step, reducing the risk of injury.

Comfortable

This material provides excellent comfort to the wearer since it is soft, flexible and conforms to the shape of the foot, ensuring that the wearer is comfortable throughout.

Durable

Polyurethane is a lightweight material, which makes it ideal for use in slides. The lightweight nature of the material helps reduce fatigue on the feet and legs, making it easier to wear slides for extended periods.This material is highly resistant to chemicals and water, making it an excellent material for use in slides, ensuring that the end product is durable and can withstand exposure to different elements.Soles made of this material provide an excellent grip on different surfaces since it enables a firm grip on the surface, reducing the risk of slips and falls.Polyurethane is also a great shock-absorbing material, which makes it ideal for slides. The material helps to reduce the impact of each step, reducing the risk of injury.This material provides excellent comfort to the wearer since it is soft, flexible and conforms to the shape of the foot, ensuring that the wearer is comfortable throughout.

Polyurethane soles are incredibly durable, meaning they last longer and require less frequent replacement. The material is tough and can withstand daily wear and tear, ensuring that the slides maintain their shape and support over time.

Health Benefits of Polyurethane Slide Soles

Hypoallergenic Properties

Polyurethane is ideal for those with sensitive skin or allergies. Unlike materials that may harbour allergens, PU offers a safer option, reducing the risk of skin reactions. Of course, we still encourage users to exercise caution especially if they have existing sensitivities.

Thermal Insulation

This material provides excellent thermal insulation, keeping feet comfortable in various temperatures. This can help prevent conditions like chilblains in colder climates and reduce sweating and overheating in warmer ones.

Improved Air Circulation

PU soles are designed to promote better air circulation around the feet, reducing moisture buildup and the risk of fungal infections. This aspect is particularly beneficial for individuals prone to foot conditions like athlete's foot, providing a healthier environment for the feet.

Polyurethane Vs. Traditional Soles

 

Durability: PU soles generally outlast traditional soles, especially those made from materials that tend to deteriorate quickly. PU's strength lies in its resistance to abrasion, tearing, and general wear and tear, making it perfect for adventurous lifestyles or rough terrains.

Traction: In the grip department, PU soles take the lead over most traditional soles. They're champions on wet or slick surfaces thanks to their non-slip traits, offering superior grip and stability, whereas traditional soles might falter under such conditions.

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Maintenance: If low-maintenance living is your style, PU soles have got you covered. Unlike traditional soles, including those requiring regular conditioning and polishing to maintain integrity, PU soles are hassle-free and easy to clean.

Cost-effectiveness: Budget-wise, PU soles edge out due to their cost-friendly nature. Traditional soles, particularly those crafted from natural materials, can be more costly due to higher production expenses and craftsmanship requirements.

Comfort: However, it's worth noting that some traditional soles, once worn in, are hailed for their comfort. They tend to mould to your foot's shape, offering a personalised fit and gentle cushioning. In contrast, PU soles might initially feel less forgiving until they're properly worn in.

 

 

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A few decades ago, the footwear industry was searching for an alternative to the conventional sole materials to create a more robust, stylish and sustainable sole. The quest saw a new hope when the sole manufacturers had caused a disruption with an intriguing and innovative material - Polyurethane (PU).

The PU sole manufacturers have been endorsing and providing this splendid sole material for several years to create a plethora of footwear. The primary reason for its popularity is that the PU sole advantages the footwear manufacturers as well as the end users to a great extent with its amazing properties.

The polyurethane has been extensively utilized as a shoe sole material to develop robust and sustainable high-quality shoes for the applications requiring rough use such as trekking, sports, labour-intensive industries, etc. However, the PU sole manufacturers have made it possible now for them to be used as a sole material for causal and office footwear like formal shoes, sport shoes, safety shoes, sandals, sneakers, chappals etc. Moreover, the constant endeavours of the PU sole manufacturers and the continual demand for this material by the footwear industry, have now made the polyurethane quite affordable. The reasonable cost of the PU sole makes it suitable to be used in more types of footwear than its conventional counterparts.

How is PU Sole Made?

The polyurethane is produced by reacting an isocyanate prepolymer, such as methylene diphenyl isocyanate, and a polyol component in the presence of heat and an organometallic catalyst.

The liquid Polyurethane produced from the reaction can then be shaped into the required sole designs using injection moulding or pouring method. As the former has more merits, it is usually the most favourable method for the production of PU sole. By varying the diverse factors such as the types of the key or additive components and their contents, the density and hardness of polyurethane can be altered to produce the material with diverse characteristics.

To ensure that the PU sole advantages the footwear manufacturers with its use in a broad range of footwear, the PU sole manufacturers have developed mainly two versions of the polyurethane.

• Polyester: This version of the polyurethane is manufactured by using polyester polyols and offers exceptional resistance against heat and abrasion. Thus, it is used as a shoe sole material in the development of high-quality sports and safety shoes.


• Polyether: Produced using a blend of polyether polyols, the polyether polyurethane has a superior finish to its surface. It offers water-resistant qualities, making it ideal to be used in stylish general-purpose footwear such as street shoes and sandals.

PU Sole Advantages

The highly competent characteristics of PU sole advantage the footwear manufacturers and consumers alike and this has rightfully made it the soul of the footwear industry. Here are some of these advantages:

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• Lightweight: There is hardly any who&#;d like to drag heavy feet around; thus, an airy material like the polyurethane often serves as the first choice as the sole for lightweight footwear.


• Chemical & Water Resistance: Polyurethane is known for its inert, robust and durable characteristics. Thus, the footwear manufacturers find PU sole advantageous enough to be used as a shoe sole material in high-quality safety shoes for various industries.


• Finest Grip: These soles exhibit excellent grip on even the most slippery surfaces, making them alluring enough to be used in nearly all kinds of footwear.


• Comfort & Durability: Due to its well-finished surface and leather-like elasticity, Polyurethane offers both these qualities in every type of footwear.


• Shock Absorption: For the applications where the consumer needs to stand or walk around for long, the footwear should have good shock absorption properties. Thus, the polyurethane serves as the perfect fit to be used as the sole material for such a purpose.