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Polymer Laboratories & Solutions

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  • Poured PU Foam Systems
    • Impact Protection Polyurethane Foam
    • Viscoelastic Slow Recovery Memory Foam
    • Hydrophobic Energy Absorbing Foam
    • Footwear PU Solutions
    • Rigid Polyurethane Foam
    • Flexible Polyurethane Foam
    • Sound Attenuation Polyurethane Foam
    • Microcellular & Integral Skin Polyurethane Foam
  • Injection Molded TPU, TPE, TPR
    • Thermoplastic Polyurethane (TPU)
    • Thermoplastic Elastomer (TPE)
    • Thermoplastic Rubber (TPR)
  • Products
    • Helmet Padding
    • Memory Foam
    • Recoil Pads
    • Ladder Mitts
    • Footwear: Insoles
    • Footwear: Outsoles
      • Open Programs
    • Children’s & Pets Toys
    • Integral Skin PU Armrests
      • Open Programs
    • Hydrophobic Energy Absorbing PU Foam
  • Markets
    • Polyurethane for Military & Defense
    • Impact Protection PU Foam
    • Footwear
      • Insoles
      • Outsoles
      • Outsoles: Open Programs
    • Medical & Therapy
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Footwear: Insoles

Poly Labs manufacturers polyurethane insoles for various footwear applications, including: military boot, industrial, casual shoes, sneakers, and work boots.

We offer several open programs with internally developed molds in all shoe sizes – the below open program is an advanced insole – our PL-001 program

Footwear Insoles

Footwear Insoles

Poly Labs Medium Density U-36 Polyurethane Foam

As a medium density viscoelastic foam, U-36 is generally used for protective padding and support pad applications. Typical applications for our U-36 include footwear insoles, wrist rests, helmet pads, or other padding not requiring high tear resistance.

U-36 can be co-molded onto fabric. Likewise, it can be in-mold coated to provide a more durable surface. The physical and mechanical properties for our medium density PU foam are as follows:

Density0.3 g/cm³
Hardness, Shore OO (10 sec)14 – 16
Tensile Strength69 psi
Elongation183 %
Die C Tear4.1 pli
Trouser Tear (p/l)4.0
Compression Set, 50% at 77°F
Of original thickness2.0 %
Of original deflection1.0 %
Compression Set, 50% at 158°F
Of original thickness14.0 %
Of original deflection7.0 %

Footwear: Types of Insoles & Common Products

Poly Labs manufactures a wide array polyurethane and polymer-based insole products for casual shoes, sneakers, industrial work boots, military combat boots and more. The following is a small sample of our comprehensive line of PU footwear insoles products:

Footwear Insoles
  • Diabetic insoles
  • Open cell insoles
  • Shoe inserts
  • Foot beds
  • Military boot insoles

Insoles: Design Factors

Our team’s combined experience in materials science, advanced machining, manufacturing technology and engineering give us a solid understanding of the footwear manufacturing process. Likewise, Poly Labs legacy as a footwear manufacturer dates back decades. Poly Labs has a longstanding history of designing, engineering, and manufacturing polyurethane and injection molded thermoplastics specifically for the footwear industry.

The team at Poly Labs incorporates non-standard materials and delivers finished products to fit our customers exacting needs. Here are the factors we consider when we manufacture our footwear insoles:

Footwear Insoles
  • Exceptional comfort
  • Motion control
  • Lightweight cushioning
  • Rugged performance
  • Overall durability
  • Shock absorption
  • Abrasion resistance
  • Anti-slip properties
  • Static dissipation

For more information on our footwear insoles, or other poured polyurethane products, please contact our sales team. We will set up a call with one of our sales representatives to discuss your application and product requirements. We look forward to hearing from you!

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