Recent content by plasticsguru

I know that there are IM grades of Silicone. As I understand the process it uses no heat in the barrel and all the heat is in the mold. Is this correct? The part will need to withstand a upper use temp of 400F is this the temp of the mold to use? The part is 5 grams If I use a 4 cavity tool...

ASA is also a good choice. Also materials that are average in UV can be modifed with the addition of additives to make them more UV resistant.

If you can go to thermoplastic elastomers there are several options to choose from. They range from adding silicone oil into the material so it migrates to the surface. You can also use PTFE in the materials to reduce the COF. You will need to call a custom compounder to get these types of...

Looking for companies that can formulate custom blends and Injection mold Silicone parts. Does anyone have any direct experience with said companies? Thanks

Any sort of particulate such as SS fibers or carbon additives will not give a clear material I have worked with Permastat products form RTP company. They are all polymeric. They have several grades and degrees of clarity available in sheet or pellet form. Good Luck

Yes RTP Company has several grades for this purpose. Typically they are a barium sulphate filled. Other additives are used depending on the opacity desired.

It tends to be difficult in terms of flow. You may want to consider a "Flow Modified" easy molding grade I have used RTP Company VLF product before, I dont remember the grade number but you can call them for information.

I would reccomend that you contact a UV additive supplier as they would have data on most polymers and how they react in terms of physical property retention.

I have found that ASA works very well for outdoor UV applications. One example that comes to mind is a sailboat body.

RTP 200 A HI is a impact modified 6 and should give a more flexability and at the same time use your current tooling. You can call RTP 1-507-454-6900 to get more information

Gwen, It is possible but the main issue will be sifting of the powder through the gaps in the pellets assuming you are pre blending. If you feed the powder and pellets seperately using different feeders you should not have any problems. As a side note I may be interested in purchasing your off...

RTP Company has many types of elastomers in pellet form. They can be reached at 1800-433-4787.

Another lower cost option may be a carbon black loaded POM. This may give you what you need and at a lower cost than CF. RTP Company handles these products.

RTP Company offers conductive materials

RTP Company has ecolabel non teflon products that you are looking for.