Special pretreatment for fabric dyeing?
#1
I need to know if there is a special pretreatment that is used prior to dyeing fabric? Other than washing the fabric, is there a special mixture of something that you use before dyeing?
Also, is paying 6.99 a fat quarter seem in line with what it should cost to buy a "pretreated" piece of fabric to dye?
Also, is paying 6.99 a fat quarter seem in line with what it should cost to buy a "pretreated" piece of fabric to dye?
#2
HOLY COW! NO! :shock:
yes you use soda ash to set the dye after it has absorbed they dye for a few minutes, (unless you're using RIT :cry: dye)
you can buy PFD (prepared for dying) fabric for $6-$8 per yard.
go to Dharma Trading.com, they've got it ALL, including books and pretty good free instructions
yes you use soda ash to set the dye after it has absorbed they dye for a few minutes, (unless you're using RIT :cry: dye)
you can buy PFD (prepared for dying) fabric for $6-$8 per yard.
go to Dharma Trading.com, they've got it ALL, including books and pretty good free instructions
#3
Junior Member
Join Date: Jun 2011
Posts: 294
Originally Posted by Sandra-P
I need to know if there is a special pretreatment that is used prior to dyeing fabric? Other than washing the fabric, is there a special mixture of something that you use before dyeing?
Also, is paying 6.99 a fat quarter seem in line with what it should cost to buy a "pretreated" piece of fabric to dye?
Also, is paying 6.99 a fat quarter seem in line with what it should cost to buy a "pretreated" piece of fabric to dye?
For regular dyeing with fibre reactive dyes, all you need is fabric that has had any sizing or oils (such as skin oils from excessive handling) removed. A trip through the washing machine with either Synthrapol or regular detergent will do just fine.
The price quoted seems excessive for regular fibre reactive dyeing.
However! There is something different: cyanotype. A cyanotype is the process by which a building diagram is turned into a blueprint. The medium (paper or fabric) is treated with cyanotype solution and kept in a lightproof wrapping until ready for exposure. You place anything that will partially block the light on the medium, then expose it to sunlight for awhile. When you've exposed the medium, you then rinse in plain water and there you go! You have a image in blue and white of whatever you placed on the medium.
Cyanotypes can be incredibly striking and beautiful. If you use a flower or leaves or blades of grass, you often get an image that almost looks like an x-ray. It can be very haunting. You can get even more variation by starting out with dyed or printed fabric, treating it with cyanotyping solution and developing.
Fabric pre-treated for cyanotypes starts at around $20/yard for 44 inch wide plain woven medium weight cotton. When you add up the cost of fabric, the cost of the chemical pre-treatment and the need to keep it in lightproof packaging, that's a pretty reasonable price.
If the fat quarter you are thinking of is for cyanotyping, then I'd say that the price is reasonable, particularly if it was already dyed or printed before being treated for cyanotyping.
#4
Power Poster
Join Date: Feb 2009
Location: Northern Michigan
Posts: 12,861
holy cow!!!that is a ridiculous price for a PFD fat quarter- i wouldn't pay that much for a yard!
you should be able to find pfd fabs for under $6 a yard.
just because they are called PFD's does not mean you don't use the soda ash- it's still necessary to set the dye.
visit Dharma Trading Company= they have tons of free information=tutorials= and all the supplies you need.
to prepare your own fabric for dyeing- just wash it- with detergent- double rinse NO FABRIC SOFTENER.
ta=da= ready to soak in the soda ash and dye.
you should be able to find pfd fabs for under $6 a yard.
just because they are called PFD's does not mean you don't use the soda ash- it's still necessary to set the dye.
visit Dharma Trading Company= they have tons of free information=tutorials= and all the supplies you need.
to prepare your own fabric for dyeing- just wash it- with detergent- double rinse NO FABRIC SOFTENER.
ta=da= ready to soak in the soda ash and dye.
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