We are Silicone Injection Molding China company that offers plastic mold/molding service, rubber molds, Silicone Injection Molding, liquid silicone injection molding parts to the world, send us your drawing and we will quote you in 24 hours.

What is Silicone Injection molding

Silicone is a kind of environmentally friendly raw material, silicone material is loved by people with its various perfect properties. silicone injection molding part has the softness and poison-free properties so that widely used in industrial sealing and medical devices. Especially its working temperature: between minus 60 to 250 degrees no plastics company compare its advantages. Using silicone to seal metal or plastic parts to form some new properties and makes the product soft and hard. For example, the silicone overmolding kitchen Spatula is environmentally friendly and is loved by consumers. Silicone injection molding parts & plastics parts have very similar but have different processing.

To work with us is so easy, you only need to send us your drawing and your requirement, then your seat back and wait for the parts for testing until you approve the parts or molds, we will take all of the jobs for your from mold design, mold manufacturing, sampling, massive production, assembly, and delivery to gods directly to your storage housing, we have the best shipment agency that could save up 30% of shipment cost than others,

Silicone Injection molding services produce molded components made from silicone. Silicone rubber is a two-component, synthetic, flexible rubber-like material made from silicone elastomers that can be cured at room temperature into a solid elastomer used in molding. It is heat resistant, durable, and free of allergens or leaches able chemicals. Liquid silicone is similar to normal silicone but has different processing characteristics.

It is purchased as a two-part raw material with a grease-like viscosity.
Nowadays injection molding of liquid silicon rubber is becoming increasingly important. One reason for this is the increased performance requirements of the finished articles. In addition, more and more producers of rubber parts are seeing benefits in the high level of automation and productivity.

Various ways of liquid silicone injection molding

Molding processes used by providers of silicon molding services include cast molding, compression molding, dip molding, injection molding, reaction injection molding, rotational molding, and transfer molding.

Whereas in the cast molding process, the liquid material is poured into an open mold, in compression molding a slug of silicone is pressed between 2-heated mold halves. On the other hand dip molding is a process similar to hot-dip coating, in which the finished product is the fused plastisol stripped from the dipped mold. However, in injection molding, liquid silicone is forced into a cooled mold under tremendous pressure. In the Reaction Injection Molding (RIM) process two or more reactive chemicals are mixed at high speed as they are being injected into a mold. In rotational molding hollow molds filled with silicone material are secured to pipe-like spokes that extend from a central hub. In transfer molding, the two mold halves are clamped together and silicone is forced by pressure into the mold.

Why the preferred use of silicone rubber in injection molding

Silastic silicon rubber is a sheer material and so its viscosity depends on shear rate. As the shear rate rises the product becomes lower in viscosity. It is this effect that is very favorable for the injection molding process. At the beginning of the injection process, the injection speed profile should be programmed in such a way that the volume flow is high enough for the liquid silicon rubber-not to begin to vulcanize before the cavity is filled, in order to avoid the scorch of the material. Thus liquid silicon rubber is widely used for the process of injection molding due to its following characteristics:

1. Solventless with low and versatile viscosity.
2. Easy mixing and pigmentation
3. Rapid processing compared to solvent dispersion and usually allows a complete coating to be applied in a single pass
4. Prime less adhesion to glass and some other substrates.
5. Meter mixed plastic liquid silicon rubber can be dip-coated or fed to a crosshead for supported extrusion coating.

Vulcanized silicone rubber products have the following characteristics:

(1) the property resistant to high and low temperature: with long-term use at 200 ℃and flexibility at -60 ℃;
(2) Electrical insulation property: silicone rubber affords excellent dielectric property which is much higher than the general organic especially under high temperature with dielectric strength almost independent of temperature in the range of 20-200 ℃.
(3) Excellent performances of weather resistance, ozone resistance and resistance to ultraviolet radiation without crack even after long-term outdoor use. It’s generally believed that the silicone rubber can be used outdoors for more than 20 years.
(4) Excellent property of permanent deformation under high-temperature compression.
(5) Excellences include good processing performance, easy to shape, etc.; a variety of products can be made by squeezing out hot air with methods of vulcanization molding, pattern molding, extending molding and so on.

With excellent performance and good technical and economic effect, silicone rubber products have a wide range of applications in various areas of aviation, aerospace, atomic energy, electrical implements, electronics, instrumentation, automobile, machinery, metallurgy, chemical industry, medical health, and daily life.

The application and characteristics of injection molded liquid silicone products:
They have excellent transparency, excellent tear strength, good elasticity, excellent thermal stability and weather resistance, yellowing resistance, heat aging resistance and is mainly used in the cake mold, infant pacifiers, medical catheters, injection molding craft and so on.

Advantages working with silicone injection molding China

Silicon rubber molding has come a long way over the past two decades. From its roots in a few specialty applications where premium physical properties counted more than the premium price, this thermoset carved out a small but solid niche in the medical and automotive fields. Now, among the proliferation of new applications, that niche has begun to burst at the seams.

If you are going to running your business with silicone injection molding or rubber molding? Of any or your new project that needs silicone injection molding parts, we suggest you find a silicone injection molding china company to cooperate your business, when you work with a Chinese company, you will have some advantages for your new model and your business.

Number one,

When you work with silicone injection molding china suppliers, you will have a very competitive price, so you could save your budget on your new model, especially if you are the first time running your one business, this will be one the most important thing to decide if your business will be going smoothly or not.

The advantages number two,

If you choose an injection mold china supplier for your plastic molding parts, silicone rubber molding parts, you will be moving faster than your local supplier, all of the Chinese silicone molding companies are hardworking, fast delivery time, this will save your time and work your project faster on the market, when you put some money into the project, faster will be faster to gain some profits from your project.

Of course, there are some disadvantages when you work with a Chinese silicone molding company, for example, the language. But here you do not need to worry anymore, in our factory we have a professional technical manager who speaks fluent English that will solve all of your issues, you could contact us by email or phone.