Technical Data Sheet – Rubber Dust Boot
|
Parameter |
Specification |
|
Rubber Material |
Chloroprene Rubber, EPDM |
|
Operating Temperature Range |
-40°C to +120°C |
|
Ozone Resistance |
Meets vehicle standards |
|
Tear Strength |
Excellent (meets ball joint durability requirements) |
|
Surface Requirements |
Smooth, no bubbles, no missing rubber |
|
Inspection Requirement |
100% Factory Inspection |
Protecting Critical Joints from Contaminants
The Rubber Dust Boot is a protective component installed on ball joints and tie rod ends in the chassis and steering systems. It covers the outside of the ball stud or tie rod ball joint to prevent dust, mud, water, and other contaminants from entering the joint's lubrication area. Ball joints are critical motion nodes in the suspension and steering systems. Once the Rubber Dust Boot is damaged, lubricating grease leaks out and contaminants enter. The ball joint wears rapidly and develops play, seriously affecting driving safety. This boot determines whether steering ball joints "last long" and whether suspension pivot points stay "noise-free." In simple terms, it keeps ball joints from "wearing out early" and the chassis from "feeling loose."
Anhui Denaifu has produced the Rubber Dust Boot for over 22 years. Our 127,000+ square meter facility employs over 80 people. Our product covers 80% of vehicle brands in China through tier-1 suppliers.

Ozone-Resistant Compound and Strong Design
Our Rubber Dust Boot uses ozone and weather-resistant chloroprene rubber or EPDM. It has excellent elasticity and tear strength. The product remains intact under repeated stretching and torsion with no cracking or aging. The mounting lip is designed for a tight fit with the metal components, effectively preventing moisture and dirt ingress.
We have an independent R&D team and dedicated quality staff. Our 30+ production machines include vacuum vulcanizers and injection vulcanizers. Monthly capacity exceeds 4 million pieces. Every batch is 100% inspected before shipping. We also accept third-party inspections. We hold IATF16949, ISO14001, and 14 utility model patents.

Custom Manufacturing and Payment
Anhui Denaifu supports custom production based on customer drawings or samples. Standard product delivery takes 30 working days. Custom products take 60 to 90 working days. The minimum order is RMB 50,000. For existing mature products, we provide free samples for testing (shipping at customer's expense).
Standard product payment: 70% prepayment starts production, 20% when goods reach the port, and 10% as quality guarantee, payable within 30 days after receipt.

Full-Process Service
Pre-sales: we handle development review and solution design. In-sales: we control quality and monitor capacity. After-sales: dedicated staff handle technical quality feedback. If goods are damaged in transit, we replace them at no cost. Warranty terms follow customer requirements.
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