Functional fillers for industrial formulations
Functional fillers may seem simple: materials that determine how products look, feel, and perform. In reality, it is a broad sector with hundreds of categories and variations, making it time-consuming and expertise-driven to find the exact right materials.
Many applications require a precise balance between properties such as strength, stability, rheology, and processability. Small differences in raw materials can have a significant impact on product quality and process performance. Profiltra supports companies in selecting the right functional fillers and additives, ensuring that formulations perform reliably and production processes remain stable.
Materials for a wide range of applications
Within industrial formulations, different types of functional fillers are used to improve structure, stability, and performance. Profiltra supplies materials such as diatomite, perlite, calcium minerals, and cellulose fibres in various grades and particle sizes.
We collaborate with established producers such as Imerys and CFF and supply products such as Celite®, Optimat®, and Technocel®. These materials are used across a wide range of sectors, from industrial formulations and coatings to agricultural applications such as seed coating. Thanks to our product knowledge and long-term supplier relationships, we support customers in selecting the right materials and ensure reliable long-term supply.
1
What do you
need?
Success starts with a clear scope. During an initial discussion, we define your goals and requirements.
2
Choosing the right solution
Whether it is a standard product or a customised solution, we help you make the right choice.
3
Testing new ideas
Whether you want to test an idea or explore new possibilities, we work with you to find the best approach.
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Service
Our service does not stop after delivery. We listen, follow market developments and ensure you always get what you need.
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Fast and reliable delivery
We ensure fast and reliable delivery, with proper packaging, the right documentation and full traceability worldwide.
Precision in formulations with functional materials
In many industrial formulations, functional fillers determine how a product behaves during production and use. Particle structure, purity, and interaction with other components influence properties such as rheology, stability, and curing. Small variations in material selection can therefore have major consequences for product quality and process control.
Profiltra supports customers in selecting and applying functional materials such as diatomite, perlite, calcium minerals, and cellulose fibres. Through our knowledge of materials and applications, we help formulators achieve the right balance between performance, processability, and reliability in their products and processes.
Our Solutions
Frequently asked questions
On this page, we answer several frequently asked questions about additives and functional fillers. For a complete overview, please visit our Frequently Asked Questions page. Do you have a specific question or application? Please feel free to contact us for personal advice.
What are functional fillers?
Functional fillers are materials incorporated into a formulation to influence or improve specific material properties. Unlike additives, they form a structural part of the product and contribute to properties such as mechanical strength, rheology, stability, and processability.
In which applications are functional fillers used?
Functional fillers are used in a wide range of industrial formulations, such as coatings, polymers, dental materials, and seed coatings. Depending on the application, they influence mechanical properties, processing behaviour, and product stability. The selection of a specific material depends on the required performance and process conditions.
Which functional fillers does Profiltra supply?
Profiltra supplies, among others, perlite, calcium minerals, and cellulose fibres as functional fillers. These materials are available in different grades and are selected based on the requirements of the application and the production process. Depending on the application, perlite can be used both as a functional filler and as a process material.
How does Profiltra support the selection of the right functional fillers?
Profiltra supports the selection of the right functional fillers for specific formulations. Material properties, application requirements, and process conditions are assessed in relation to each other, ensuring that the selected solution aligns with both production processes and desired final performance.




