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Special Synthetic Conveyor Belts

Special conveyor belts are designed for the transport of material or objects of various kinds with specific requirements for their properties, which cannot be met by belts made of common materials.

SILAM special conveyor belts in use

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Main Types of Belt Materials

“Special blends” are mainly created by mixing different variations of PVC or polyurethane.

The main types of special materials are:


    Special thermostable silicone belts with high chemical resistance and very high temperature resistance. They have a non-stick surface and high adhesion at the same time.


    Special belts made of thermoplastic compound with low hardness for applications requiring high adhesion.


    Special belts made of a compound of rubber and PVC combining the excellent mechanical properties of PVC with wear resistance of rubber. They are also resistant to fats and oils.


    Special belts made of a compound of rubber and thermoplastic combining the excellent mechanical properties of thermoplastic with rubber wear resistance. They have an adhesive surface and are resistant to oils.


    Special belts made of a mixture of thermoplastic with high non-stick surface, resistance to oils and greases and high chemical resistance.


    Special belts made of a compound of thermoplastic with a non-stick surface, resistance to hydrolysis, resistance to oils and greases. They are flexible and suitable for high temperatures.

Belts Construction

The base of the belt is made of a fabric, which is coated on the top and bottom with a “special blend” of polymers manufactured by Ammeraal Beltech. These are, for example, blends called SILAM, PLETEX, ELASTOFLEX, ELASTONYL, ULTRACLEAN or ULTRANYL.

The belt consists of one or more layers that ensure its strength, stability and cut resistance.

Three-Ply Flat Belt Structure

  1. Fabric
  2. Bottom cover layer
  3. Inner layer
  4. Top cover layer

Belts Fields of Use

SILAM conveyor belts are designed for use mainly in the food industry or in the rubber industry.

PLETEX and ELASTONYL conveyor belts are designed for use mainly in the paper and printing industries.

ELASTOFLEX conveyor belts are also designed for the paper and printing industries, but are also used in the woodworking industry.

ULTRACLEAN and ULTRANYL conveyor belts are designed for use mainly in the food industry, e.g. ULTRACLEAN for working with adhesive products.

Belts Code Description

SILAM EM 8/2 00+03 White AS FG

Code Description

Product name


Fabric type


Force at 1% elongation [N/mm]


Number of plies


Bottom side: thickness / type of fabric / type of structure

0 Bare fabric
00 Impregnated fabric
03 0.3mm cover layer thickness
FE Felt

Top side: thickness / type of fabric / type of structure

0 Bare fabric
00 Impregnated fabric
03 0.3mm cover layer thickness
FE Plsť



Additional information, characteristics:

AM Antimicrobial
AS Antistatic
CR Cold resistant
EX For explosive environment
FG Foodgrade
FR Flame retardant
HC Highly conductive
HD Hydrolysis resistant
HR Heat resistant
IR Impact resistant
M1 Fine matt surface
M2 Rough matt surface
NF Non-friable fabric
NL No logo
/ 2.2 Total belt thickness 2.2 mm
/ 3000 Standard production width 3000 mm

Belts Joints

Joints can be made depending on the material of which the particular belt is made. You will find the exact information in the technical documentation of the selected belt.

Joint Type Description Illustration

Simple Finger Splice

A simple punched splice, that is joined into an endless belt by heat on a splicing machine. It is performed on belts with one fabric layer.

Double Finger Splice

Combined splice. First the belt must be separated into individual layers, which are then prepared separately for splicing. On the splicing machine, the layers are subsequently joined into an endless belt by heat. It is performed on multilayer belts.

Anker A Wire Hooks

Wide range for use in all operations from packaging lines, pharmaceutical industry, food industry, laundries. These are the most used connectors for PVC belts.

Anker G Lacing

Basic connection with lower strength, for which no installation jig is required. Ideal for undemanding joints. It is used especially by customers who do not connect belts too often.

Alligator RS – Ready Set

Easy installation, good strength and possible to use for pulleys with small diameters. Ideal for sorting lines, applications in agriculture, etc.

In addition to the above-mentioned most common types, it is possible to connect belts by other methods according to the requirements of the specific application. Our specialists will be happy to provide you with more information.

Belts Surface Structure

Belt Surface Structure Examples

The surface structure ensures the specific properties of the belt. Applications range from easy separation of the product from the belt to the use of surface adhesion in technological processes or for inclined transport.

The surface structures can be on the top or bottom cover layer. The choice of structure depends on the properties of the transported product.

There are many types of structures in the product range. The most common can be found in the Overview of Standard Surface Profiles (PDF file for download).

Belts Accessories


Guide profiles ensure direct belt guidance and prevent belt movement on the rollers. The result is a smooth guidance without a polygon effect, which is also suitable for higher speeds.

Profiles made of PVC, polyurethane or polyester are welded or glued to the bottom side of the conveyor belt.

The V-profile can also be used as a transverse carrier or side edge for transporting material.

The most common way of guiding the belt is a V-guide.

Profile Type Description Illustration

Full V-Profile

The smooth, clean design of the wedge is less prone to contamination.

Full V-Profile Belt Guide Example

Lightweight V-Profile

On the bottom side of the belt there is a wedge with pressed teeth, which allow easier bending and thus smaller cylinder diameters than solid wedges.

Lightweight V-Profile Belt Guide Example

In addition to the V-profiles, the guide profiles can also be square. However, their use is far from numerous. If you are interested in implementing square guide profiles, please contact us.

Side Walls


BORDOFLEX side walls made of PVC or polyurethane are welded on the sides to the top of the belt.

Side walls are used for the transport of bulk materials and for the transport of material at an angle. They prevent spillage or loss of materials.

Transverse Cleats

Transverse Cleats

Transverse cleats made of PVC, polyurethane or polyester on top of a belt for inclined/declined transport. They prevent the material from sliding or falling.

The possibilities of their shapes and fastening are wide and are based on the used material of the belt, as well as on the requirements for optimizing the function of transporting the material or objects.

Additional Belts Modifications


Punched Belt Example

Punching of conveyor belts is performed for the transport of products using vacuum and for applications with photocell control.

Punching is performed on punching machines, which are able to produce punching in a precisely defined arrangement.

AMSEAL Sealed Edges

AMSEAL - Sealed Edge System

The AMSEAL sealed edge system guarantees reliable protection of the belt edges. It prevents fraying and thus prevents the penetration of bacteria, oils and fats into the belt structure.

The AMSEAL edge protection completely seals the edge of the belt with a thermoplastic strip. It increases the safety and hygiene of food production, increases the life of the belt and enables easy cleaning.

It is most often used in the food industry, processing of meat, fish, fruit, milk and other foods, in bakeries and other operations.

Documents for Download

Standard Profies - Preview

Standard Profies

Ammeraal Beltech Product Overview

English (PDF 1.02 MB)

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Manufacturer Profile

Ammeraal Beltech

Founded in 1950, Ammeraal Beltech is a global market leader in the design, manufacturing, fabrication and servicing of high-quality, high-performance process and conveyor belts, available today in 150 countries around the world. You can find their products almost in all industries. They employ over 2,750 people in the business.

They operate 10 manufacturing sites in Europe, the USA, Canada and Asia. They have sales and fabrication centres at over 80 sites worldwide and they have own subsidiaries in more than 25 countries.

Since 2012, our company has been an official distributor.

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