Silicone Rubber Injection Molding
Packson's state-of-the-art facilities consist of a 1000㎡ certified clean room, which is equipped with 14 sets of Liquid Silicone Rubber (LSR) injection machines. This enables Packson to produce up to 50 million medical-grade LSR components per year, ensuring that clients' needs are met efficiently and effectively.
Moreover, Packson's clean room is certified to the 100K Level, ensuring that all products produced within this environment meet the highest quality standards. With the use of advanced technologies and stringent quality control processes, Packson guarantees that its medical LSR components are not only highly precise but also biocompatible, temperature resistant, and compliant for use in medical and healthcare applications.
As a professional China-based medical silicone rubber molding company, Packson takes pride in providing reliable, high-quality medical LSRsilicone moldingservices to its clients. Whether it’s production volumes or specific requirements, as one of silicone injection molding companies, Packson can meet your needs with confidence, knowing that you're entrusting your product’s success to expert hands.
Silicone Rubber Injection Molding Details and Options
Silicone Injection Molding Details and Options |
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Lead time |
Make your mind in real in 10-30 days; including 24-hour quote responses with design-for-manufacturing (DFM) feedback |
What kind of products should Choose LSR |
Drug delivery systems |
Skin contact devices |
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Valves |
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Syringe stoppers |
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How to Choose LSR/HCR in your project |
Determining whether LSR or HCR injection moulding is the best choice for your project depends largely on how much production you will need. In general, HCR injection molding is better applied for small volume production. On the contrary, LSR injection molding is more suitable for massive production. |
LSR VS TPE |
Advantages: |
Reasonable wall thicknesses |
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Cored uniform wall thickness |
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No sharp corners |
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Gradual transition from thick to thin thickness |
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Limitations: |
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Not for high heat or extreme cold applications |
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Not inherently UV stable |
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Need to follow conventional good plastic part design guidelines |
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Industries |
Automotive; |
Consumer Products; |
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Special Applications; |
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Medical And Healthcare Consumables And Devices |
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Benefits of LSR in Medical areas |
High Biocompatibility |
Inorganic and hypoallergenic nature |
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Lack of odor/taste |
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Ozone & UV-safe |
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Thermal stability |
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Lifetime service of the part |
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Benefits of LSR Solution |
Reduce waste |
Leverage the material's characteristics |
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Deliver consistently high precision parts and components |
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And all of these at global competitive conditions |
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Mold Cavities |
Single, Multi-cavity, and Family molds; |
Machines Available |
200 press tonnage |
Inspection and Certification Options |
ISO9001,ISO13485,ISO 7&8 Medical Clean Room Molding |
Mold Life |
Less than 5000 shots |
The Tolerances in the Steel |
Maintain the tolerance ±0.005mm/0.002inch |
The Tolerances in the part |
Maintain the tolerance ±0.01mm/0.005inch |
Material |
Standard Silicone |
Medical-grade silicone |
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Optical-grade silicone |
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Fluorosilicone |
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Mold Finish |
PM-FO TO & F1 |
SP1 C1 TO A2 |
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Other Options |
Consultative Design and Tool Services for free |
Final Finishing Options |
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No MOQ |
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Quick-turn shipping in as fast as 1 day |
Custom Silicone Rubber Injection Molding Service For Your Business
Liquid molding silicone rubber partshave the feature of durability with good tensile strength and are used to high volume, tight tolerance. Therefore it is widely used in various industries especially for medical parts.
Here are the advantages of liquid silicone rubber:
Excellent insulating properties, good for tight tolerance/precision components
Good tensile strength with high/low-temperature extremes
Good resistance for water, oxidation also some chemical solutions like acids.
Silicone Rubber Injection Molding Process
The silicone dousing unit starts in two parts
Composed A and composed B pumps one Part A silicone and one Part B silicone via separate hoses to the static mixer. Cylinder A contains the basic material. while cylinder B contains a catalyst. In addition, color is pumped to the static mixer via another hose. The mixed components are then fed into the throat of the injection molding barrel by way of a shut-off valve. This is the whole silicone injection molding process.
Sealing against the Silicone Rubber Molded Parts
Once the silicone material is inside the barrel, a shot of the cool mixed silicone advances to the mold as the nozzle seals firmly against the silicone rubber liquid mold.
Injection
The nozzle shut-off valve opens and a measured shot of cool liquid silicone is injected into a hot (275F to 390F) clamped silicone rubber molded parts.
Barrel retracts from the mold
The nozzle shut-off valve opens and the barrel retracts from the silicone rubber liquid mold, while the screw begins to build another measured shot of cold liquid silicone.
Closes and repeats the procedure
After the cycle is complete, the mold opens and the piece and flashing can be taken off automatically or by an individual worker. After that, the mold closes and repeats the procedure.
Post-molding process
After removing the article from the mold, the post-molding process may include demisting, post-curation, inspection, and packing.
Silicone Rubber injection Molding Application
Molding Parts
-Silicone rubber injection molding can be qpplied in molding parts. Moulded part is a good way for low quantity production from dozen to hundred of the part even millions of parts. The molding part is better than the part machined by CNC or 3D printing with the same material. The right choice for resin used in the molding part allows for a wide range of properties. Mold is essential medial for the molding part. So molds machined by CNC and Wire cut EDM with high precision and tolerance are enable make thousands of parts.
Certifications
-We cercitified with ISO9001, ISO13485 and equipped with ISO 8 medical cleanroom molding
Rapid Prototye
-Rapid processing mold with low cost and enable to make molded products with 10 days at a competitive price.
Advantages Of LSR molding
Durable: LSR injection molding produces parts that can withstand elevated temperatures, making them ideal for automotive or aerospace applications. Unlike plastic injection molding, LSR parts are often fire retardant and resist warping.
Tensile Strength: Silicone LSR parts are strong, making them suitable for a variety of industries.
Flexibility: Silicone LSR parts can exhibit elongation up to six times their original length before breakage, demonstrating remarkable flexibility.
Accuracy: The LSR molding process offers a high level of accuracy in production, ensuring precise, high-quality parts.
Automation: The LSR injection molding process can run continuously with minimal supervision, enhancing efficiency and productivity.
As a mould part manufacturer, we will do our best to meet all the needs of customers.
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