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two color over molding technology
This article is mainly share my technical knowledge about above two color baby step stool. And welcome different multi color technic suggestions and new enquiry.
What is over molding, we can obviously that it means to apply one material onto another material. Here two color step stool, utilizes TPE injected onto PP material. Two types material should form a bond and offer functional performance — to help baby kids step up and at the same time, prevent them slip.
Regarding over molding mold design, must take shrinkage into consideration due to two different plastic materials. Both have their own injection gate and runner systems. And the wall thickness of over mold should be as uniform as possible in order to have the shortest cycle time. In the range from 1mm to 3mm will ensure very good bonding of two materials in most over molded applications. But if final part requires the use of thick, then they should be cored out to manimize shrinkage problem and to reduce the part weight and cycle time.
Lucia
http://chinatwocolormold.blog.com/

| Registration Date | 2015/04/22(Year/Month/Date) |
|---|---|
| Buyer / Seller in EC21 | Seller |
| Business Type | Manufacturer |
| Year established | 2012 |
| Employees total | 11 - 50 |
| Annual revenue | USD 5,000,001 - 10,000,000 |
| Company | Focare Mould Co.,Ltd. |
|---|---|
| Address | HuangyanTaizhouZhejiang318020China |
| Phone | 86 - 18357 - 616586 |
| Homepage | http://chinaleadingmoldmaker.wordpress.com/ |
| Contact | Lucia Huang / Sales engineer |