Frequently Asked Questions (F.A.Q.)

Below you'll find answers to the questions we commonly get asked about the application of plastic conveyor belts and accessories.

Is your question not listed? Please contact our technical engineers for further support.
You can reach us during working days between 08.00 and 17.30 on telephone number +31 (0)75-631 39 17 or email:


Each type of plastic conveyor belt material has its own characteristics and capabilities. Thereby, Wellwaij Belting has numerous opportunities in the field of fabrication. This allows us to supply specific tailor made products enabling us to provide a suitable conveyor belt for almost every application.

For technical support, please contact our technical advisors. You can reach them on telephone number +31 (0)75-631 39 17 or email: You can also make an appointment with our field engineer for a personal consultation.

We will work with you to find the best solution.Informatie en technische ondersteuning kunststof transportbanden

We often receive questions about the minimum pulley diameter which can be used when using belts with accessories such as cleats, side skirts, corrugated sidewalls, guides etc. The final choice for the most suitable guide rope or strip depends on many factors. We are pleased to advise you about the possibilities.

Chemical resistance Information about the durability of the various topside materials can be found in our technical document "Chemical resistance". 
Of course, you can also contact our technical advisors. 

Side skirt consists of an aluminium enclosure with a strip of fabric-reinforced plastic.
They are used in order to prevent spillage of the product and reduce contamination under the conveyor belt. 

You can find more information on our webspage Wellwaij side skirts.

It is very important to clean your conveyor belts regularly. First of all, ofReinigen van PVC transportbanden course, to ensure the quality of the products wich will be transported. But a clean belt is also essential for a right propulsion and alignment of the belt. Dirt, oil, grease, moisture, corrosion, debris of transported product etc. can cause operational problems and can significantly shorten the service life of the conveyor belt and certain machine parts.

In the technical datasheet "Cleaning instructions of the PVC conveyor belt" you can find the guidelines that describe the relative suitability of various cleaningproducts and solvents for the cleaning of PVC conveyor belts. Or contact our technical advisors on telephone +31 (0)75 - 631 39 17 for advice.

Wellwaij Belting uses different types of plastic for making conveyor belts. In some conveyor belts even different materials are combined. Most of our plastic conveyor belts are made of PVC or PU. Both materials have their own characteristic properties. To give you an idea of ​​the differences between PVC and PU, we have included the chart below. This gives a summary of the main characteristics and the industries in which the two plastics are commonly applied to.

Note: The summary below is limited to the general characteristics. By the use of a variety of fabrics, with or without profiles and additives, we have developed many belt in past years. The final choice for a belt material depends on many things. We are pleased to advise you on this.

  Type of plastic

  Most important characteristics

  Application mainly in


  • Thermoplastic
  • Easy to be welded
  • Easy to be edited
  • Limited flexibility at low temperatures 
  • Both in limited and in complete
    oil- and grease resistant version available
  • Cheaper than PU
  • Blue and white PVC belts meet the international standards of FDA/EU
  • Agriculture
  • Horticulture
  • Food industry
  • Packaging industry
  • Other industries



  • Thermoplastisch
  • Olie- en vetbestendig
  • Hogere slijtvastheid dan PVC
  • Betere chemische weerstand dan PVC
  • Hoge flexibiliteit, zelfs bij lage temperaturen
  • Vloeistofdicht
  • Makkelijk te reinigen
  • Praktisch alle kleuren voldoen aan FDA en EU normen
  • Horticulture
  • Food industry
  • Packaging industry


For applications in the food industry Wellwaij Belting has conveyor belts wDeclaration of compliance (FDA/EU) hich meet the international standards of the FDA and EU. 

We can mail or send you a Declaration of Compliance of these belts by post.