High-Performance Polyimide (PI) Binders & Liquid Resins
Enhancing Electrical and Magnetic Properties

Connecting the Future: High-Performance Advanced Polyimide Materials

MagGuard™ Polyimide Liquid and Polyimide Binder Technology

"BMS's advanced polyimide synthesis technology goes beyond simple physical bonding, breaking through the limits of electromagnetic performance."

Through precise monomer molar ratio control and proprietary synthesis processes, BMS is a chemical materials company specializing in the manufacture of ultra-high purity polyimide varnishes and polyamic acids (PAA) with minimized metal ions.

Our flagship brand, MagGuard™, goes beyond the role of a physical adhesive. It is applied to electrical and electronic components, semiconductor packaging, and special soft magnetic core systems to innovatively improve the inherent electrical and magnetic properties of the materials.

In particular, it maintains excellent thermal stability even in ultra-high temperature environments above 490℃, providing the most perfect polyimide resin solution that maximizes the reliability of advanced industrial equipment by ensuring insulation in high-frequency bands and reducing core loss.

Manufacturing High-Insulation Polyimide Liquid for Improving Electrical and Magnetic Properties

Core Competencies: Electromagnetic Property Control & Customized PI Synthesis

Customized Property Control

We design customized polyimide liquids and resins that precisely control the coefficient of thermal expansion (CTE), glass transition temperature (Tg), and viscosity according to the customer's process.

Rapid Sample Response

From synthesizing small quantities of polyamic acid samples for R&D to bulk supply for mass production, we guarantee stable delivery times through our own reactors and advanced purification facilities.

Excellent Electrical & Magnetic Properties

We possess specialized polyimide binder manufacturing technology applied to magnetic cores and highly integrated circuits to increase insulation and prevent electromagnetic performance loss even at extreme high temperatures.

Product Lineup (Industry-Specific Polyimide Varnishes)

The MagGuard™ series provides highly heat-resistant, electrically and magnetically optimized polyimide solutions specialized for industries such as secondary batteries, displays, and magnetic cores.

MagGuard™ PH Standard
High heat-resistant, high-insulation standard polyimide varnish. A general-purpose polyimide resin that provides excellent electrical insulation and dimensional stability even in environments above 500℃.
MagGuard™ CR Cryogenic
Cryogenic polyimide maintains crack-free flexibility and electrical stability in aerospace and superconducting environments.
MagGuard™ HV High Voltage
Specialized liquid polyimide for high insulation in EV motors and high-voltage power facilities. It is a coating material that guarantees reliability in high-voltage environments.
MagGuard™ LD Low Dk
Low dielectric constant (Low Dk) polyimide resin minimizes signal loss and interference in 5G/6G high-frequency communication and precision flexible printed circuit boards (FPCB).
MagGuard™ MC Magnetic Core
A special functional polyimide binder combined with soft magnetic core systems to prevent thermal degradation at high temperatures and innovatively reduce core loss.
MagGuard™ DY Anhydrous
Zero moisture (Anhydrous) type polyamic acid material, optimized for moisture-sensitive secondary battery electrolytes and advanced chemical processes.

Discover the optimal advanced materials to overcome the electrical and magnetic limitations of your products.

To maximize the performance of our customers' finished products, BMS provides fully customized solutions starting from the polyimide synthesis stage.