2-Shot molding / Bi-Injection

Leading of 2K molding / 2K injection / Overmolding ... In the field of manufacturing plastic 2 component molding, we have always delivered high precision molds.
2-Shot molding | Bi-Injection


2 Shot molding(2 component molding / 2K molding / 2K injection / Overmolding) is an innovative manufacturing process used to produce complicated moulded parts in multiple materials, and can be used for a variety of product designs across all industries.

2 Shot molding(2 component molding / 2K molding / 2K injection / Overmolding) optimises the co-polymerisation of hard and soft materials to create a powerful molecular bond.

Ming-Li uses thermoplastic elastomers and plastics for the 2 Shot moulding(2 component molding / 2K molding / 2K injection / Overmolding) process as traditional thermoset compounds (such as nitriles, fluorocarbons, EPDM’s) are not suitable.


Ming-Li typically uses the following thermoplastic materials for 2 component molding(2K molding / 2K injection / Overmolding) :
  • Styrene Block Copolymers (TPE-S)
  • Thermoplastic Polyurethane Block Copolymers (TPE-U)
  • Copolyesters (TPE-E)
  • Copolyamides (TPE-A)
  • Olefinic Thermoplastic rubbers (TPE-O)

Ming-Li typically uses the following plastic materials for 2 Shot moulding(2K molding / 2K injection / Overmolding) :
  • Polyamide (PA/Nylon)
  • Polybutylene Terephtalate (PBT)
  • Polycarbonates (PC)
  • Polypropylene (PP)

The 2 Shot moulding process allows us to design and manufacture complex, multiple material parts for our customers to perform a sealing function.

Additionally, the multi-shot moulding process can also be used as a cost effective method to bond materials in different colours for cosmetic purposes.
Know more 2-Shot moulding application please visit our customer ceetak website :
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