In the vast landscape of industrial chemicals, defoamers play a critical role in ensuring the smooth and efficient operation of numerous processes. Among the various types available, mineral oil-based defoamers have carved out a significant niche due to their unique properties and cost-effectiveness. As a leading supplier and manufacturer in China, we are proud to offer high-performance mineral oil defoamers, such as our DF190, designed to meet diverse industrial needs.
What are Mineral Oil-Based Defoamers?
Mineral oil-based defoamers are a class of chemical additives primarily formulated from refined mineral oils, which are derived from crude petroleum. Unlike silicone-based or organic defoamers, their composition is relatively simple yet highly effective. They often incorporate other components like hydrophobic particles or surfactants to enhance their spreading, penetration, and bubble-collapsing capabilities. The typical appearance is a pale yellow liquid, making them easy to handle and incorporate into various systems.
Mechanism of Action
The primary mechanism by which mineral oil defoamers work involves disrupting the stability of the foam lamella. When introduced into a foamy system, the defoamer, possessing a lower surface tension than the surrounding liquid, spreads rapidly across the surface of the foam bubbles. This spreading action causes the thin liquid film of the bubble to thin and eventually rupture. The mineral oil then forms a thin, cohesive layer that prevents new bubbles from forming, effectively eliminating and controlling the foam.
Key Properties and Benefits for Industrial Applications
Our DF190 Mineral Oil Based Defoamer embodies the key advantages of this product class:
Choosing a Reliable Supplier
Selecting the right defoamer supplier is as important as selecting the right product. As a dedicated manufacturer and supplier based in China, we ensure the quality and consistency of our DF190. We understand the needs of procurement managers and R&D scientists who seek reliable chemical solutions. We encourage you to buy our high-efficiency mineral oil defoamers and experience the benefits firsthand. Contact us today for a competitive quote and to request a sample. Enhance your industrial processes with our dependable defoaming solutions.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.