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Protective Covers & Dust Shields
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Custom Protective Covers & Dust Shields Manufacturer

MingYu Sealing Technology designs and manufactures protective covers, rubber bellows, and dust shields engineered to shield critical mechanical and hydraulic components from harsh contaminants. Operating under strict ISO 9001 and IATF 16949 quality standards, our custom-molded elastomeric boots and flexible covers prevent ingress of dirt, abrasive dust, moisture, and industrial fluids, significantly extending equipment service life.

Key Industry Applications

Automotive & Steering Systems

CV joint boots, steering rack bellows, and ball joint dust covers.

Hydraulic & Pneumatic Cylinders

Piston rod protective boots and telescopic cylinder shielding jackets.

Heavy Construction Machinery

Excavator joystick gaiters, shock absorber boots, and articulated joint covers.

Material Selection & Performance Guide

Material Type Temp. Range Core Protection Capabilities Hardness
EPDM -40°C to +130°C Superior ozone, weather, and UV resistance for outdoor equipment 40-80 Shore A
NBR (Nitrile) -30°C to +100°C High resistance to mineral oils, greases, and abrasion 50-85 Shore A
Silicone (VMQ) -60°C to +200°C Extreme temperature flexibility & high tear strength resistance 35-75 Shore A
TPU (Polyurethane) -35°C to +80°C Outstanding tensile strength, cut resistance, and dynamic flexing life 70-95 Shore A

Need Custom Molded Protective Bellows?

We provide rapid OEM/ODM services from 3D CAD tooling development to volume compounding.

1. Technical Review
2D/3D Drawings & Specs
2. Elastomer Matching
Application Analysis
3. Rapid Tooling
Prototypes in 7-15 Days
4. Mass Molding
IATF 16949 Certified Run

Protective Covers & Dust Shields

Are You Looking for a Trusted Manufacturer of Custom Seals?
Get in Touch with us.
We are your preferred partner for high quality, reliable custom seals. Let's work together on your next project.
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  Phone: +86-18556882545
   Email:  julie@mingyu.net.cn
  WeChat: 18556882545
  WhatsApp:  +1 949 378 6965
   Add: No.15 Gugang Road, Taicang City, Jiangsu Province, China
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