2026-09-30 17:48:51

How In-House Rubber Compounding and Mold Making Improve Custom Brake Parts

Developing a custom brake rubber component requires close coordination between the rubber compound, product dimensions, mold design, and molding conditions.

2026-09-30 17:27:12

What Information Is Needed for a Custom Brake Seal Quotation?

To evaluate a custom brake seal quotation, HOBA needs enough information to identify the product geometry and determine whether an existing mold can be used or a new mold must be developed. Customers do not need to prepare a complete engineering package before contacting us. However, better reference information usually leads to a faster and more accurate evaluation.

2026-09-30 16:23:12

Custom Brake Rubber Parts Development: From Drawing or Sample to Production

Learn how HOBA develops custom EPDM brake rubber parts from drawings or unused samples, including reverse engineering, mold machining, sampling, testing, and production.

2026-08-07 15:30:41

What Is Flash on Molded Brake Rubber Parts?

During rubber molding, a thin layer of excess material may appear along the edge or parting line of a finished component. This excess rubber is called molding flash. A small amount of flash can be a normal result of the molding process. However, its location, thickness, and shape must be controlled because excessive flash may affect installation, sealing contact, or product appearance.

2026-08-20 16:39:51

How Low Temperatures Affect Brake Rubber Seals

Brake rubber parts must maintain sealing force across changing temperatures. Although heat is commonly associated with rubber aging, low temperatures can also affect seal performance by reducing flexibility and elastic response.

2026-08-04 13:52:19

How to Inspect Brake Rubber Seals Before Installation

A brake rubber seal can be damaged, contaminated, deformed, or incorrectly identified before it is installed. Because many defects are small, a quick visual check may not be enough.

2026-07-22 16:41:26

Common Installation Damage to Brake Rubber Seals

A brake rubber seal may meet all material and dimensional requirements but still fail if it is damaged during installation. Small cuts, scratches, twisting, contamination, or incorrect positioning may not be immediately visible, yet they can affect sealing performance after the brake system is pressurized.

2026-07-17 16:50:37

How Heat Affects Brake Rubber Seals

Brake rubber seals operate close to components that generate heat during braking. Although EPDM rubber provides good heat and aging resistance, prolonged exposure to elevated temperatures can still change its physical properties and sealing performance.

2026-07-17 15:17:02

Why Mineral Oil Damages EPDM Brake Seals

EPDM rubber is commonly used for hydraulic brake seals because it provides good resistance to glycol-based brake fluids, heat, ozone, and long-term aging. However, EPDM is generally not compatible with mineral oil or petroleum-based lubricants.

2026-07-15 15:15:54

Why Brake Rubber Parts Become Hard Over Time

Brake rubber parts are designed to stay flexible enough to seal, move, and recover under brake system conditions. Over time, however, rubber may become harder because of heat, aging, chemical exposure, or poor storage.