BASTAIN
BACOAT · Inductor Coating

Inductor Coating · BACOAT Dip Series

Water-based acrylic dip-coating protective resin for molded power inductors. Dip-applied, oven-cured at 150–160°C, forming a smooth dense protective film.

20×
Throughput Gain
0T
Bend, No Crack
≤250
VOC g/L
12
Auto Steps
1×
Conventional Inductor Line
Manual spray + batch oven
Multi-step WIP, variable yield
20×
Faster
20×
Automated Dip Line
12 steps in one continuous line
Dip → Cure → Trim → QC → Bend → Pack

Daily Capacity Per Line (10k units/day)

Manual Line
1
~10k
Auto Dip Line
200k/day
~200k

* Typical molded power inductor; actual output varies with size and film thickness.

🛡

Dust & Moisture · Salt Spray

Dense film seals winding and core from dust, humidity and salt-fog.

🔥

High Temperature Resistant

Cured at 150–160°C, passes high-temp inspection.

⚡

Laser-Trimmable · 0T Bend

Laser exposes pads; film survives 0T bending without cracking.

💧

Water-Based Dip · Low VOC

VOC ≤250 g/L, non-hazardous, uniform dip coverage.

♻

RoHS / REACH Compliant

Full electronics compliance; adheres to Cu, Al, Au, Ag, Sn.

🏭

20× Automated Throughput

12-step fully automated line, 20× conventional output.

Technical Data

Color
Gray
Volume Solids
50–52%
Density
1.1 ± 0.1 kg/L
VOC
≤250 g/L
Dry Film
15–50 μm (typ. 25)
Cure Schedule
150–160°C / 20–30 min
Application
Dip / Spray
Packaging
20 kg / pail

Automated Dip-Coating Process Flow

Winding → Press Molding → Pre-treatment → Dip-Coating → Oven Cure → Laser Trim → Visual QC → Heat-Resist QC → Cutting → 0T Bending → Packaging
CORE DOMAINS · OUR STRENGTHS

Our Inductor Coating Domains

From molded power inductors to toroidal, semi-shielded and fully-shielded types, BACOAT dip-coatings cover mainstream topologies, customized by core material and end application.

01

Molded Inductor Dip-Coat

Water-based acrylic dip-coating, UL-certified system, laser-trimmable contacts, zero-t bend without cracking.

→ Consumer main power, DC-DC power inductors

02

Magnetic Material Coatings

Insulation and protection coatings for magnetic cores, suited to high-speed automated lines.

→ Consumer electronics · 5G · NEV

03

Cap/Inductor Overmold Insulation

Both liquid paint and powder forms available for different process lines.

→ Inductor/capacitor encapsulation, toroidal insulation powder

04

Toroidal Core Insulation

Dedicated formulations for ferrite, nanocrystalline and other core materials.

→ Common-mode chokes, current transformers, nanocrystal rings

05

Thermally Conductive Insulation

High thermal conductivity combined with high-voltage insulation for power devices.

→ Server PSUs, DC-DC module inductor thermal insulation

06

Automotive Semi-Shielded Inductors

Magnetic epoxy or silica coating solutions meeting AEC temperature and vibration specs.

→ OBC, on-board DC-DC, BMS

07

Fully Shielded Power Inductors

Fully magnetic shield coating process, low flux leakage, compact footprint.

→ Smartwatches, TWS, AR/VR wearables

Need dip-coating samples or TDS?

Tell us your inductor specs and line parameters. We output the dip-coating system directly.

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