PROCESS: Dip moulding is a process where dies/ forms are dipped into liquid PVC compound that forms a layer on the die. Later this die with coating is cured and the component is ejected out with compressed air.

  • Vinyl is a flexible material. When used as the material for a cap or plug, it provides a much better seal and will not crack or shred like hard plastic closures.
  • For threaded applications, vinyl caps and plugs will not shred and leave residue in the very part that they are trying to protect from contamination.
  • Vinyl can be made in more vibrant colors.
  • The flexibility of vinyl caps makes them easy to install while the airtight seal that they provide keeps them in place once they are on.
  • Vinyl withstands high temperatures and can often be used as an alternative to more expensive rubber caps in paint masking applications.
  • Vinyl has a greater chemical resistance than most other plastics making it the perfect cap material for plating applications.
  • Vinyl is a naturally insulative material making vinyl caps and plugs the ideal choice for closures that are going to be used in electrical applications.
  • Due to the unique molding process used to make vinyl caps, engineers can specify vinyl caps in almost any length without incurring tooling charges.
  • Vinyl formulations can be made to achieve a wide variety of textures and chemical properties.

ADVANTAGES:

  • Easy & inexpensive tooling
  • Glossy seam free finish
  • Design flexibility
  • Fast lead / production time
  • Complex shapes Coating

Typical applications include:

  • Lever Caps
  • Thread protectors
  • Masks for industrial processing
  • Dust and moisture barriers
  • Protective End caps
  • Shipping protectors
  • Color coding
  • Decorative End caps Etc.

General Properties of PVC:

  • Hardness:45-80 shore A.
  • Tensile Strength :70-120 Kg/Cm2
  • Elongation:150 - 400%
  • Thermal Stability:80-120c for 2 hrs
  • Resistant to chemicals & oils.
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