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Frequently asked questions

1. Who is Industrialwheels

1.1 What we do

When we say 'we are wheels experts', we really mean it. For any application we can help you find the suitable wheel.

In this section you'll find out more about and some answers to often asked questions. The work that goes on behind the scenes. From the sourcing to the production, we advice you in how to choose a wheel, shipment and your benefits from buying at

2. How do I choose the proper wheel?

2.1 How do our wheels help you improve mobility?

Fitting the right wheels on your products helps improve efficiency in the following ways:
- Less failure by incapacity of oparators of your products
- Less failure by incapacity of your products
- Higher productivity
- Less damage to surfaces
- Less noise

2.2 What is the ideal diameter?

The bigger the diameter of the wheel the lower the rolling resistance and the higher the load capacity.
During its lifetime a wheel meets many obstacles as: thresholds, irregular floors, holes in the road, etc. To increase the lifetime of the wheel and to provide smooth running we suggest the following Rule of thumb: use a wheel with a diameter 8 x the height of the irregularities.

2.3 What thread should I Use?

Solid rubber = the most standard wheel, avarage rolling resistance, low in price

Elastic rubber = floor saving, shock absorbing, good rolling properties

Polyamide = low roling resistance, high chemical and moisture resistance.

Polyurethane = floor-saving, high loads, low rolling resistance, suitable for heavy industrial applications.

Pneumatic (flatfree) = shock absorption and quiet operation, for outdoor use or unpaved surfaces

Cast iron = very high loads, low rolling resistance, suitable for heavy industrial applications.

Vulkollan = a brand name of a superior polyurethane elastomer from Bayer. It is used for extreme dynamic loads for heavy industrial applications. floor-saving, low rolling resistance.

2.4 What is Shore hardness?

Shore Hardness is a way to measure hardness of materials such as polymers, elastomers and rubbers. Hard wheels can handle higher loads but are more noisy and make the ride less smooth. 

3. Order Cancellation

3.1 Order Canceled?

In some cases orders will be canceld.

The main reasons for order cancellations are:
- The delivery adres is not recognized by our transportation partner
- We did not receive your payement within 7 days afther ordering

Before we cancel an order we will always try to contact you.

Refund of orders which are canceld will be within 10 working days after cancellation.

4. Prices & Quotes & Discounts

4.1 How are these prices possible?

How are these prices possible..? Lets say: we focus on quality and "making it right the first time" so we are very efficient.

4.2 Is a better price possible? guarantees that you will get the best online price.

Please notify us when you find elsewere a product for a lower price.

If you are interested in quantities or regular orders, please request an offer at [email protected]

5. Everything about Vulkollan®

5.1 What is the difference between Vulkollan and polyurethane?

Vulkollan® is a brandname of Bayer AG. Only polyurethane manufactured with Desmodur 15 according to the formula of Bayer is allowed to carry the name Vulkollan. The isocyanate Desmodur 15 gives Vulkollan his exceptional characteristics. Other polyurethanes use isocyanates of an inferior quality.  Vulkollan is the most used polyurethane elastomere and is, more than ever, the norm of quality.

Vulkollan is a warm-casted polyurethane and so always superior to cold-casted polyurethanes.


Although Vulkollan is a brandname of a very specific polyurethane, some people try to use the name Vulkollan as a groupsname for all polyurethanes.  

5.2 What are the possible hardnesses in your Vulkollan® production?

Standard production hardnesses of  Vulkoprin are  Vulkollan 90° and 95 ° shore A.  For specific applications we also have productions of  80 ° shore A.


Rubbers : 25 - 80 ° shore A

Plastics : 55 - 95 ° shore D

Vulkollan : 80 - 90 - 95 ° shore A


The optimal characteristics and the best quality mix of Vulkollan are reached with a hardness of 90° shore A.   Vulkollan 95° shore A offers the advantage of a higher load capacity (approximately + 15% than VK 90° shore).  Vulkollan 80° shore A can be the solution where more grip on a slippery surface is needed.

5.3 What is the tear strength of Vulkollan® compared to other materials?

Vulkollan has a big elongation + big tear strength+ big stiffness.  Vulkollan 90° shore A  can be stretched out  up to 7 times his original length.


Plastics and metals : high tear strength + high stiffness, but small elongation, very small elasticity

Rubbers : big elongation, but small tear strength + small stiffness

5.4 How resistant is Vulkollan® to tear ?

Vulkollan has a very good tear resistance.  In addition is also the tear resistance with notch very good.  Although lower than when not notched, the tear resistance according to Graves is unapproachable by any other non-weaponed elastomere.


Vulkollan is unsensitive to cut-damage and even when the tread is damaged, the material does not tear further and keeps his functionality.

5.5 Does Vulkollan has a longer lifetime than rubber ?

Vulkollan has an exceptional good wear resistance and has up to 2 times less loss of volume by wear than a natural rubber.

Softer Vulkollan has often less wear than the harder one because the material can turn aside.

To keep an optimal wear resistance, the temperature may not rise too much.

5.6 How strong is the bonding with Vulkollan?

Vulkoprin has developped a special surface treatment that realises an optimal chemical bonding on all metal surfaces (cast iron, steel, aluminium, inox,...)


Vulkoprin guarantees, in a neutral chemical environment and in a room-temperature,  a bonding to the metal as strong as the own tear strength of the Vulkollan.

5.7 In what temperatures can Vulkollan be used ?

Vulkollan keeps his elasticity and his ability of shock absorbing to - 40° C.  

With temperatures to approximately 125 ° C there is, with exception of the elasticity modulus, a reversible decline of most of the characteristics.  With temperature above 125° C there is a permanent damage of the chemical structure.

The tear resistance, and from that also the resistance to wear, are strongly decreased with temperatures above 80° C.

5.8 Can Vulkollan be tooled after it is casted and polymerised ?

Vulkollan can be tooled , but one has to keep in mind the elastic characteristics of the material.  Vulkoprin has experienced and technically skilled people to turn, mill or drill the Vulkollan uncomplicated.  

5.9 What are the consequences of environmental influences to the quality ?

The natural colour of Vulkollan is yellow-brown.

Under the influence of UV light Vulkollan will become darker to black by the Desmodur 15.  

Colour changes, even unequally, have no influence on the quality.

5.10 Problem of hydrolysis. What can be done?

In warm environment with high humidity polyurethanes can be affected by hydrolysis.  Hydrolysis is the decomposition of the  polyurethane as a result of contact with (warm) water.  In these environments the decomposition by hydrolysis can be retarded by adding STABAXOL  to the Vulkollan. 

5.11 Problem of flat sides when standing still for a longer time under load. What is the result with Vulkollan® ?

Vulkollan has a very low permanent distortion compared to other polyurethanes.  Thanks to this characteristic wheels with Vulkollan® have the best resistance to flat sides, also called the "monday morning sole".  

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