Brother International GT-381 Instruction Manual - English - Page 83

How to dilute Pretreatment, How to apply with the spray, The amount of Pretreatment

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4. Printing Directly from Applications How to dilute Pretreatment : You can have some margins to dilute Pretreatment. Select the ratio for your material and purpose. Standard: Pretreatment 1 L + Distilled Water 2 L ( 1:2 volume ratio) thinner mix: Pretreatment 1 kg + Distilled Water 2 kg ( 1:2 weight ratio) rich mix: Pretreatment 1 L + Distilled Water 1 L( 1:1 volume ratio) When you dilute Pretreatment in rich condition, white is whiter but halo mark around the pretreated area may be seen easily and the washability may be worse. On the other hand, when you dilute in thinner mix, the halo mark may be improved but the print may be less white, and the of the diluted Pretreatment may not be stable. How much Pretreatment to be applied by the area on thick black T-shirt: Area The amount of Pretreatment 14x16 30g 10x12 16g 7x8 8g Letter / A4 15g Pocket （10 x 10 cm) 3g How to apply with the spray: (1) Put the Pretreatment into the spray. Use an spray which can produce fine mists. (2) Put a T-shirt flat and apply by spraying the Pretreatment. Insert some plate so that the Pretreatment will not go into the back side. Weight the T-shirt before / after then you can see the amount of applied Pretreatment to help you acquaint. How to spray the Pretreatment Pretreatment mist may spread out when you use a spray and/or pretreatment applicator. Ventilate your room in operation. Wear a face mask or goggles as necessary. (3) Roll a roller on the surface so that the Pretreatment can sink equally. (4) Put the T-shirt on the heat press. Keep the surface flat without wrinkles. Use glass cloth sheet or fluorine coated sheet (Teflon Sheet) and press with high pressure. Curing condition is the same as ink: 180°C (356°F) in 35 seconds. (5) Remove the T-shirt from the heat press and cool. GT-3 Series 73

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GT-3 Series
4. Printing Directly from Applications
73
How to dilute Pretreatment :
You can have some margins to dilute Pretreatment. Select the ratio for your material and purpose.
Standard:
Pretreatment 1 L + Distilled Water 2 L ( 1:2 volume ratio)
thinner mix:
Pretreatment 1 kg + Distilled Water 2 kg ( 1:2 weight ratio)
rich mix:
Pretreatment 1 L + Distilled Water 1 L( 1:1 volume ratio)
<Note>
When you dilute Pretreatment in rich condition, white is whiter but halo mark around the pretreated area may be seen easily
and the washability may be worse. On the other hand, when you dilute in thinner mix, the halo mark may be improved but the
print may be less white, and the of the diluted Pretreatment may not be stable.
How much Pretreatment to be applied by the area on thick black T-shirt:
Area
The amount of Pretreatment
14x16
30g
10x12
16g
7x8
8g
Letter / A4
15g
Pocket
（
10 x 10 cm)
3g
How to apply with the spray:
(1)
Put the Pretreatment into the spray. Use an spray which can produce fine mists.
(2)
Put a T-shirt flat and apply by spraying the Pretreatment. Insert some plate so that the Pretreatment will not go into the
back side. Weight the T-shirt before / after then you can see the amount of applied Pretreatment to help you acquaint.
How to spray the Pretreatment
<Note>
Pretreatment mist may spread out when you use a spray and/or pretreatment applicator. Ventilate your room in operation.
Wear a face mask or goggles as necessary.
(3)
Roll a roller on the surface so that the Pretreatment can sink equally.
(4) Put the T-shirt on the heat press. Keep the surface flat without wrinkles. Use glass cloth sheet or fluorine coated sheet
(Teflon Sheet) and press with high pressure. Curing condition is the same as ink: 180°C (356°F) in 35 seconds.
(5)
Remove the T-shirt from the heat press and cool.