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Your Professional Silicone Cartridge Supplier

 

 

Shandong Sanzeng New Materials Co., Ltd. was established in 1994 and is located in Linqu County, Weifang City, Shandong Province, which is known as the "National Aluminum Profile Capital". Since its establishment, the company has always focused on the research and development and production of sealant products. In the early days of its establishment, the company mainly provided basic sealant products to serve the local and surrounding markets.

 

 
 
Why Choose Us
 

Advanced Production Equipment
The company boasts state-of-the-art production facilities, including injection molding, mold making, printing, and paper bottle manufacturing workshops, fully supporting the production of various product types. Advanced equipment ensures high efficiency and stability in the production process, while improving product precision and consistency.

 

Quality Management System
The company obtained ISO 9001:2000 quality management system certification in 2001, strictly adhering to international standards to ensure high product quality. We are committed to providing customers with compliant products and services to meet their diverse needs.

 

Production Market
Sanzeng New Materials' products sell well throughout China and are exported to over 30 countries and regions, covering markets such as Japan, Southeast Asia, the Middle East, Europe, Australia, and the Americas.

 

Manufacturing Process
The company is at the forefront of the industry in flexible packaging production and in-mold labeling (IML) technology. Advanced manufacturing processes not only enhance product aesthetics and packaging quality but also improve production efficiency and reduce production costs.

 

Advantages of Silicone Cartridge

 
 

Flexibility: Silicone remains flexible over time, which allows it to adapt to structural movements without cracking or failing. This makes it suitable for areas that expand or contract due to temperature changes.

 
 

Durability: It forms a strong, long-lasting bond that resists tearing and can withstand vibration, shock, and harsh conditions.

 
 

Weather Resistance: Silicone sealants can withstand both high and low temperatures, protecting against extreme weather, UV radiation, and moisture, which ensures a long and effective lifespan.

 
 

Adhesion: Silicone has strong adhesion properties, allowing it to form a secure bond with a wide range of surfaces like glass, porcelain, plastic, metal, and wood.

 
 

Waterproofing: It creates a reliable, waterproof barrier that is excellent for preventing water infiltration in areas like kitchens, bathrooms, and exterior joints.

 

 

Product Description

 

Item

Parameter

Remark

Material

HDPE / PP / PE

Customizable

Capacity

300ml / 310ml / 290ml

Other capacities available

Color

White / Transparent / Colored

Custom logo printing available

Diameter

Approx. 50mm

±1mm

Height

Approx. 215mm

±2mm

Weight

Approx. 28g–35g

Depends on specification

Pressure Resistance

≥0.4 MPa

No deformation, no leakage

Operating Temperature

-20℃ ~ +60℃

Normal storage conditions

Packing Method

Carton / Pallet

Standard: 1000 pcs/ctn

 

Silicone Cartridge Mold Design and Development Process
310ML Cartridge
290ML Cartridge
240ML Cartridge
260ML Cartridge

Silicone Material Selection
The choice of silicone is foundational to the performance and longevity of the mold. High-performance platinum-cured silicone is typically preferred due to its excellent thermal stability (withstanding temperatures from -50°C to over 200°C), superior elasticity, and resistance to degradation from repeated use.

 

Prototype Development
Design begins with creating a precise prototype, often derived from 3D CAD models or physical master patterns. This prototype serves as the "positive" model around which the silicone mold is formed. It allows engineers to test form, fit, and function before committing to full-scale production.

 

Mold Construction Process
Silicone molds are constructed by pouring liquid silicone rubber over a master model housed within a rigid containment frame (often made of acrylic, aluminum, or composite materials). Once cured, the flexible silicone retains the exact inverse geometry of the original prototype.

 

Functional Mold Features
Beyond basic shape replication, effective mold design incorporates functional elements that enhance performance and yield. Venting channels allow trapped air to escape during casting, preventing voids and incomplete fills.

 

Essential Design Tips of Silicone Cartridge

 

Ensure Proper Draft Angles

Incorporate slight tapers (1°–3°) on vertical walls to facilitate smooth demolding and reduce stress on the silicone.

01

Minimize Undercuts

Avoid complex undercuts unless using multi-piece molds or collapsible cores, as they can tear the silicone during removal.

02

Control Wall Thickness

Maintain uniform mold wall thickness (minimum 10–15mm) to ensure structural integrity and even heat distribution.

03

Use Support Frames

Encase flexible silicone in a rigid mother mold or box to maintain shape and alignment during repeated casting cycles.

04

Test Before Scaling

Run small batch trials to validate mold performance, including fill quality, cure time, and demolding ease, before full production.

05

 

Scenarios of Silicone Cartridge Applications

Manufacturing & Prototyping

Producing small plastic or rubber parts, electronic enclosures, and custom-shaped cartridges for industrial or medical devices.

 

Food & Beverage Industry

Creating consistent shapes for chocolates, candies, ice cubes, jellies, and baked goods—especially in commercial kitchens and confectionery production.

DIY & Craft Projects

Ideal for making candles, soaps, resins, and decorative items with intricate details and smooth finishes.

Pharmaceutical & Cosmetic Packaging

Used to form gel capsules, suppositories, or sample-sized containers with high repeatability.

3D Printing Support

Serving as negative molds for post-processing printed parts using casting techniques.

 

Shipping

 

productcate-831-331

 

FAQ

 

Q: What are the benefits of silicone sealants?

A: Benefits include:
Strong and Durable Bonds: Long-lasting adhesion on diverse materials.
Versatility: Suitable for a wide range of applications and environments.
Resistance: Withstands high temperatures, weather, moisture, and chemicals.

Q: What is better, acrylic or silicone?

A: Silicone coatings typically deliver better long-term performance on flat or low-slope roofs in wet or snowy climates, where standing water and ice are concerns. Acrylic coatings, by contrast, may be suitable for buildings in dry, warm climates with good drainage, where long-term ponding is unlikely.

Q: What is 100% silicone made of?

A: 100% silicone is made primarily of silicon, oxygen, carbon, and hydrogen. These elements combine to form a polymer that is flexible, durable, and resistant to extreme temperatures.

Q: What are 5 uses for silicone?

A: They are typically colorless oils or rubber-like substances. Silicones are used in sealants, adhesives, lubricants, medicine, cooking utensils, thermal insulation, and electrical insulation.

Q: How long does silicone last?

A: As a general guideline, silicone tends to have a long shelf-life of around 20 years. However, the curing process for platinum-cured and peroxide-cured silicone can extend the life, with some silicone rubber profiles lasting upwards of 45 years.

We're well-known as one of the leading silicone cartridge manufacturers and suppliers in China. With abundant experience, we warmly welcome you to buy high quality silicone cartridge for sale here here from our factory. Customized orders are welcome.

2600ML Cartridge, 280ML Cartridge, silicone cartridge

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