Sintered Porous Plastic Breather Plug / Vent Plug

Sintered Porous Plastic Breather Plugs, also known as Vent Plugs, are precision-engineered components designed to equalize internal pressure while preventing the ingress of dust, dirt, moisture, oil mist, and contaminants. Manufactured using advanced sintering technology, these plugs provide controlled airflow with reliable filtration, ensuring long-term protection of enclosed systems.

At BLINEX FILTER-COAT PVT. LTD., our breather and vent plugs are manufactured to meet the demanding requirements of automotive, industrial, electrical, and electronic applications.

Product Overview

During operation, sealed housings such as gearboxes, transmissions, motors, control panels, battery packs, and enclosures experience pressure changes due to temperature fluctuations. Sintered porous plastic breather plugs allow continuous pressure equalization while filtering airborne particles, thereby preventing seal failure, condensation, and component damage.

Unlike metal vents, porous plastic vent plugs are lightweight, corrosion-free, and maintenance-friendly, making them ideal for modern compact designs.

Key Features & Properties

Uniform and controlled pore structure
Available micron ratings from 5 to 250 microns
Excellent air and gas permeability
Prevents ingress of dust, dirt, and solid contaminants
Resists water splash, oil mist, fuels, and chemicals
Lightweight and corrosion-free construction
High mechanical strength and impact resistance
Operates over wide temperature ranges
Odorless, tasteless, and non-toxic
Easy installation and long service life

Typical Applications

Automotive gearboxes and transmissions
Differential and axle housings
EV battery packs and motor housings
Hydraulic and pneumatic systems
Electrical and electronic enclosures
Control panels and junction boxes
Industrial pumps and compressors
Outdoor equipment enclosures

Advantages of Sintered Porous Plastic Vent Plugs

Maintains pressure balance inside sealed systems
Reduces risk of condensation and moisture build-up
Protects sensitive internal components
Extends equipment life and reliability
Eliminates need for frequent maintenance
Cost-effective alternative to metal breathers
Suitable for high-volume OEM applications

Customization Options

BLINEX offers custom-engineered breather and vent plug solutions to suit specific application requirements:

Custom shapes, sizes, and thread types
Tailored micron ratings and airflow performance
Hydrophobic and oleophobic variants
Integration with plastic or metal housings
Suitable for automotive, industrial, and EV platforms

BLINEX FILTER – COAT PVT. LTD.

POLYPOR™ – Sintered Porous Plastic Filters
TEFCOT™ – P.T.F.E / Fluoropolymer Coatings
“50 Years of Global Trust”

📍 Address: BLINEX FILTER – COAT PVT. LTD.
A-3, Nand Bhuvan Industrial Estate, Mahakali Caves Road, Andheri (East), Mumbai – 400 093, India

📩 Contact Us for Custom Orders & Inquiries

👤 KIRTAN DHAMI
(Director – Technical & Exports)

📞 Mobile: +91 98920 60191

📧 Email: info@blinexindia.com | kirtandhami@gmail.com

🌐 Website: www.blinexindia.com