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What are the applications of silicone products produced by silicone extruders?

What are the typical applications of silicone strip products produced by a silicone extruder? As we all know, silicone extrusion lines have a wide range of applications, producing common silicone strips, silicone tubes, silicone clips, cable jackets, LED flexible light strips, and many other silicone products. These extruded silicone items can be used in numerous aspects of daily life, enriching people’s routines. Today, we’ll focus on silicone strips produced by silicone extruders—what are their uses? Applications of silicone strips extruded by a silicone extruder: 1. Used as packaging materials. 2. Applied in civil engineering and construction. 3. Employed in vehicles and ships—for example, door seals, luggage compartment seals, lighting fixture sealing, and engine vibration‑damping materials. 4. Utilized for thermal insulation and heat preservation—such as insulating seals for refrigerators and freezers, and insulating seals for coolers and air conditioners. 5. Used for soundproofing and moisture protection—such as noise‑reducing seals for various types of machinery, soundproof wall seals for residential buildings, waterproof and moisture‑proof seals for electrical appliances, and moisture‑proof seals for diverse mechanical equipment.

2020

12-14

What are the advantages of an integrated rubber extrusion machine?

What are the advantages of a compound rubber extruder? A compound rubber extruder utilizes cold-feed extrusion, allowing two colors to be combined using two separate extruders. It can produce bicolored rubber products such as ventilation connectors for cutting and welding, rubber winding tubes, and rubber knitted tubes. These products exhibit excellent properties, including aging resistance, ozone resistance, high pressure resistance, flexibility, lightweight construction, superior bending performance, minimal deformation, and a smooth, aesthetically pleasing surface. Equipment Advantages ① The feeding mechanism comprises a feed holder, feed rollers, bushings, spline gear sleeves, and speed‑ratio gears. The feeding section’s bushing features a helical groove structure made from 38CrMoAIA steel, which undergoes nitriding treatment. The feed rollers have hardened surfaces, and they are driven by the output shaft of a reducer via gear transmission; the speed‑ratio gears provide ample strength and durability. ② The gearbox employs hardened‑surface cylindrical gears made from low‑carbon alloy steel. The gear teeth are carburized, quenched, and ground to ensure precise transmission. The gear pair delivers highly accurate power transmission. Power is transmitted through parallel shafts, with a hollow output shaft that accommodates the screw, which transfers torque via splines.

2020

12-14

Rubber sealing strip extrusion production equipment

In our daily lives and in many parts of automobiles, rubber sealing strips or EPDM sealing strips are widely used. These seals are manufactured using rubber extrusion machines; however, there are numerous styles, each requiring a slightly different extrusion process. Some seals are solid and require only a single rubber extruder, followed by vulcanization in a curing oven, cooling in a water tank, and finally winding. The resulting product is the standard rubber sealing strip we commonly use. Other seals combine solid and foamed sections, which necessitates the use of two separate extruders. There are many more variations in rubber seal extrusion, and you can contact us at 13463938789 for detailed information.

2020

12-26

What is the manufacturing process of a rubber hose extruder?

How are rubber hoses manufactured? The first step in operating a rubber hose extruder involves intensive mixing and open‑mill processing, ensuring thorough blending of the raw rubber compound with auxiliary materials. For extrusion, the rubber sheet produced by the open mill is formed into strip‑shaped rubber strips. These strips can then be fed into the rubber hose extruder to produce EPDM rubber hoses. After passing through the extruder, the hoses are conveyed by a haul‑off unit. The inner tube of the rubber hose, pulled along by the haul‑off machine, is then passed through a knitting machine where it is wrapped with threads; the finished product moves on to the next stage. Depending on the pressure rating of the hose, the knitting density can be adjusted accordingly. The process continues with another haul‑off unit—this step is similar to the third one. Next, the outer layer of the rubber hose is extruded using the same extruder. This step resembles the initial stage: the inner tube, already knitted by the knitting machine, enters the extruder via a T‑die; the other side of the die produces a pre‑wrapped, semi‑finished rubber hose blank. This blank is again conveyed by a haul‑off unit. Subsequently, the rubber hose undergoes cooling and isolation. The finished blank is passed through water for cooling, followed by application of an isolating agent. An automatic cutting machine then takes the hose, which has been treated with the isolating agent, and feeds it into the cutting system. The desired length is set, and the machine automatically cuts the hose. Finally, the core is inserted, the hose is shaped and set, and it undergoes high‑pressure vulcanization. The core‑reinforced hose is placed in a high‑pressure vulcanizing autoclave for curing. Once cured, the core is removed, yielding the finished rubber hose. Our company specializes in manufacturing rubber hose extruders, pin‑type rubber extruders, and complete rubber hose extrusion production lines. If you have any inquiries, please contact us at Manager Jiang’s phone number: 13463938789.

2020

12-31

Manager Jiang of Hebei Shuangda, together with all the staff, wishes you a happy New Year.

............................................ Time flows like water, and years pass like a song. The footsteps of 2021 have arrived, carrying hope and blessings! 2021 is an auspicious year— when you love, it will surely flourish; where there is love, prosperity follows. In this bustling world, let us quietly savor the beauty of love! ............................................ In the new year, first and foremost, I will learn to truly cherish myself. Only when I am well can everyone else be well—this is true happiness! Hebei Shuangda Rubber & Plastic Machinery Co., Ltd. is a modern enterprise integrating research and development, manufacturing, and sales of complete sets of extrusion machinery for rubber, silicone, and plastics. Located in Liyuantun Town, Weixian County, Xingtai City, Hebei Province, our company enjoys a favorable geographical location with convenient transportation. Our main products include rubber extruders, rubber hose extruders, three-layer composite production lines, elastomer extruders, and other extrusion equipment, as well as production machines for engineering seals, automotive seals, cable and wire insulation, air-conditioning rubber hoses, automotive oil pipes, waterstop strips, and various other related products.

2021

01-01

How are rubber hoses manufactured?

The first step in operating a rubber hose extruder involves mixing and refining the raw rubber with additives through both internal and open‑mill processes, ensuring thorough blending. For extruding rubber hoses, the rubber sheet produced by the open mill is formed into strip‑shaped ribbons. These ribbons are then fed into the rubber hose extruder to produce EPDM rubber hoses. After exiting the extruder, the hoses are conveyed by a haul‑off unit. The inner tube of the rubber hose, pulled forward by the haul‑off machine, passes through a knitting machine where it is wrapped with threads. The thread density can be adjusted according to the pressure rating required for the hose. It then proceeds again through another haul‑off unit—this step is identical to the third one. Next, the outer layer of the rubber hose is extruded using the same extruder; this process resembles the initial stage. The inner tube, already knitted with threads, enters the extruder via a T‑die, and emerges on the opposite side as a pre‑formed, coated hose blank. This blank is then conveyed once more by the haul‑off unit. Subsequently, the rubber hose undergoes cooling and isolation: the finished blank is passed through water for cooling, followed by application of an isolating agent. An automatic cutting machine then takes the hose, which has been treated with the isolating agent, and feeds it into the cutting system. The desired length is set, and the machine automatically trims the hose. Finally, the core is inserted, the hose is shaped and fixed, and high‑pressure vulcanization is carried out. The core‑reinforced hose is placed in a high‑pressure vulcanizing autoclave for curing. Once cured, the product is removed from the mold, completing the manufacturing process and yielding the finished rubber hose. Our company specializes in manufacturing rubber hose extruders, pin‑type rubber extruders, and complete rubber hose extrusion production lines. If you have any inquiries, please contact us at Manager Jiang’s phone number: 13463938789.

2021

01-18

What are the features of a butyl tape extruder?

A butyl tape extruder and a butyl damping machine, as their names suggest, are equipment used to produce butyl tapes and butyl damping gaskets. Butyl tapes and butyl dampers can be applied in air conditioning systems, automobiles, and various insulation and waterproofing applications. Some products exhibit strong adhesion, while others are relatively dry; the specific characteristics depend on the manufacturer’s formulation and production process. Due to the high adhesive strength of butyl rubber, most butyl‑based products do not require water rinsing. After extrusion, the material is conveyed directly onto a cooling conveyor belt, where it is cooled by airflow. During this cooling process, an isolation paper layer is applied. Once the product exits the conveyor, it can be wound up using a dual‑station winder, resulting in the finished butyl tape you need. Hebei Shuangda Rubber & Plastics Machinery specializes in manufacturing extrusion equipment such as rubber sealing strip extruders, rubber tube extruders, silicone extruders, and plastic extruders. For inquiries, please contact Manager Jiang at 13463938789.

2021

01-21

What are the applications and equipment characteristics of triple‑compound rubber sealing strips?

What are the applications and equipment characteristics of three‑layer composite rubber sealing strips? Our company’s main products include rubber extruders, rubber hose extruders, plastic extruders, three‑layer composite production lines, elastomer extruders, and other extrusion equipment. We also provide manufacturing machinery for engineering seals, automotive seals, cable and wire components, air‑conditioning rubber hoses and braided tubes, automotive oil hoses, waterstop strips, and related products. For more information, please contact Manager Jiang at 13463938789. 1. Applications: Three‑layer composite rubber sealing strips are primarily made by combining EPDM rubber foam with solid rubber, incorporating metal reinforcement materials such as steel wire or steel sheets. They are mainly used on car doors, door panels, door frames, side windows, front and rear windshields, engine hoods, and trunk lids, providing functions such as waterproofing, dustproofing, sound insulation, thermal insulation, vibration damping, and decorative enhancement. 2. Equipment Features: These systems offer high efficiency, improve product quality, reduce production costs, and optimize the working environment. The rubber three‑layer composite extrusion line is designed to produce steel‑core rubber sealing strips, steel‑belt shaped rubber profiles, steel‑belt reinforced rubber strips, automotive steel‑belt composite sealing strips, as well as foam‑plus‑solid‑plus‑steel‑belt rubber sealing strips. Producing three‑layer composite sealing strips requires a wide variety of equipment in significant quantities, making it a relatively complex manufacturing process. Typically, two exhaust-type rubber extruders are needed. Since producing three‑layer composite sealing strips places high demands on equipment stability, the overall performance and reliability of the extrusion equipment largely determine the final quality and effectiveness of the sealing strips.

2021

02-05

Applications and Features of Rubber Filter Presses

The rubber filter machine is primarily used to remove impurities from natural and reclaimed rubber. It is suitable for rubber reclamation plants to filter rubber compounds, and it can also be employed for filtering silicone and rubber materials as well as for sheeting operations. Additionally, it can be used to filter compounded rubber or plastics, removing foreign matter and debris. By leveraging the screw’s pushing and conveying action, this machine effectively eliminates contaminants from the rubber compound or reclaimed rubber. The equipment mainly consists of a screw, barrel, filter head, and drive mechanism. The filter head is fitted with a perforated plate and a filtration screen; the plate supports the screen and serves as the discharge port, featuring conical holes approximately 4–8 mm in diameter that widen along the flow direction of the rubber compound, ensuring uniform filtration. Before operation, the filter machine must be preheated, as the raw material being processed should be in a soft state to ensure smooth filtration. Only when the temperature reaches the appropriate level can the machine be put into service. Furthermore, during operation, no additional feedstock should be introduced manually, since this is a twin‑screw feeding device that relies on its conveyor belt for material delivery; therefore, do not add material by hand.

2021

03-12

Hebei Shuangda participated in the 11th China (Zhengzhou) Plastics Industry Expo 2021.

Hebei Shuangda is exhibiting at the 11th China (Zhengzhou) Plastics Industry Expo 2021, held from March 26 to 28, 2021, at the Zhengzhou International Convention & Exhibition Center, located at No. 1, CBD Inner Ring Road, Zhengdong New Area, Zhengzhou. Our booth number is CT-11. Our equipment on display includes an integrated plastic extrusion machine, a small cutting machine, and a pin-type rubber extruder. For inquiries, please contact Manager Jiang at 13463938789. We welcome both new and existing customers to visit! Hebei Shuangda Rubber & Plastic Machinery Co., Ltd. is a modern enterprise integrating R&D, manufacturing, and sales of complete sets of extrusion machinery for rubber, silicone, and plastics. Our main products include rubber extruders, rubber hose extrusion lines, three‑layer composite sealing strip extrusion lines, silicone sealing strip production lines, plastic sealing strip production lines, plastic profile production lines, plastic pipe production lines, elastomer extruders, and other extrusion equipment, as well as production machinery for engineering seals, automotive seals, wire and cable applications, air-conditioning hoses, braided tubes, automotive hoses, waterstop strips, and related products.

2021

03-18

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