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Comprehensive control from raw materials to quality

Product knowledge

Comprehensive control from raw materials to quality

Aug 28,2025

In the production management of rubber product enterprises, the mixing process is an indispensable part. The mixing process not only determines the physical properties of the product but also directly affects the product's competitiveness in the market. Therefore, in the mixing process, we must pay attention not only to output and quality but also strictly control multiple aspects such as raw materials, process parameters, and production procedures.
Mold Material Selection Before Mold Making

Product knowledge

Mold Material Selection Before Mold Making

Aug 19,2025

When making molds for rubber products, the first consideration is the selection of mold raw materials. The selection of mold materials should be determined based on the product's quality, quantity, structure, etc. Mold material selection is a very important part of the entire mold making process.
Technology and craftsmanship behind rubber processing

Product knowledge

Technology and craftsmanship behind rubber processing

Aug 12,2025

At Dalian Bohai Rubber and Plastics Co., Ltd., mixing engineers are indispensable technical core members in the production process of rubber products. They are like "rubber magicians", transforming various raw materials into high-performance rubber compounds through precise formulas and processes, laying the foundation for subsequent products.
Unveiling the Quality Code within Rubber through Mooney Viscometry

Product knowledge

Unveiling the Quality Code within Rubber through Mooney Viscometry

Aug 12,2025

Pushing open the door to the Bohai Rubber Testing Laboratory, a serious and focused atmosphere permeates the air. From today onwards, we will gradually get closer to the "unsung heroes" who safeguard product quality—the professional equipment in the laboratory. At this moment, the lens is focused on a machine in operation. The technician's hands steadily operate the machine, which is the subject of our discussion today: the Mooney viscometer.
Rubber processing

Product knowledge

Rubber processing

May 29,2025

This process includes basic procedures such as plastication, mixing, calendering or extrusion, molding, and vulcanization. Each procedure has different requirements for the product and is supported by several auxiliary operations.
Introduction to the main properties of rubber

Product knowledge

Introduction to the main properties of rubber

May 29,2025

When selecting rubber materials, the first consideration should be the operating environment (temperature, medium) and working conditions (stress, vibration) of the part. This is the basic principle for selecting the type of rubber material. Secondly, after the rubber type is defined, it is necessary to examine whether the material properties meet the requirements. The following introduces the main performance evaluation items of rubber materials.
Why is secondary vulcanization indispensable for high-end rubber products? An in-depth analysis of its secrets!

Product knowledge

Why is secondary vulcanization indispensable for high-end rubber products? An in-depth analysis of its secrets!

Apr 29,2025

Rubber vulcanization is a process that transforms linear or branched rubber molecules into a three-dimensional network structure through chemical crosslinking, thereby improving the mechanical properties, heat resistance, and chemical corrosion resistance of the rubber. However, in some applications, single vulcanization is insufficient to meet the performance requirements of the final product, necessitating a post-cure or secondary vulcanization. This article will elaborate on the circumstances under which rubber requires secondary vulcanization, analyze its advantages and disadvantages, and discuss influencing factors.
The function of the rubber intake pipe

Product knowledge

The function of the rubber intake pipe

Dec 13,2024

The main function of the excavator's intake pipe is to increase the engine's output power, providing greater power to the main pump, thereby allowing the excavator to achieve higher work efficiency.
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