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Block Out GT/GT-380

Block Out GT (Acrylic Base)
Block Out GT-380 (Polyurethane Base for Heat Transfer Sticker)

This product is a bleed resistance ink and entirely prevents dyed problem polyester fabrics, or blended, from migrating on printed area. It is grey tone and very opaque ink.
  • Good elastic and fully block out dyed problem disperse dyes.
  • Good soft hand.
  • PVC, phthalates, APEO, Azo, Formaldehyde and Lead Free formulations.Meets all key international environmental standards.
  • Non-tacky.
  • No harmful or distracting odors in the work place.
  • Use as an under base coat for printing on light to dark polyester fabrics.
  • It is recommended to print two times, dry in between, to get permanent anti migration performance.
  • In use of other Primusinks rubberized inks on top of Block-Out GT are excellent compatible with each other, which means there will be no layer separation occurred.
  • To meet superior wash, adding Additive Xlinker JF 2-4% by weight is necessary. After mixing Xlinker JF, it is recommended to consume mixed inks within 4-6 hours to avoid spoiled.
  • Avoid wet on wet printing application.
  • Keep the screen in the flooded position while print stops. Or, go for screen wash during a temporary stop.
  • Modification of Block-Out GT is not recommended as any adjustment may lessen the bleed resistance ability.
  • Containers must maintain air-tight seal while not in use.
  • During Production, heat application can be applied to speed up the process. Failure to cure ink at recommended time and temperature may result in poor fastness.
  • Screen must be prepared with water-resist emulsion to prevent stencil breakdown.
  • Any application not referred in this Product Information should be pre-tested or consulted with Primus Technical Service prior to print.

Printing Parameters:

100% Polyester, Cotton/Polyester blends Cure: 150℃ x 1.5 minutes
Durometer: 60-65
Edge: Rounded or Sharp
Additive Xlinker JF 2-4%
by weight.
Use within Six Months of receipt. Avoid exposing under direct sunlight. Keep drums sealed tight at all times.

Tap water 
Available upon request (MSDS)
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