SKU: 17781510450

Oak Gallnut Extract - Quercus infectoria

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Description

Oak Gallnut Extract - Quercus infectoriaAlso known as oak gall, Aleppo gall, dyers gall, gallnut of commerce. Unlike the usual powder, this is a highly concentrated extract of Quercus infectoria gall nuts. With a tannin content of over 95% gallotannins, it is one of the richest natural sources of tannin available. Gallnut extract has been used for centuries in both dyeing and ink making, prized for its ability to fix, deepen, and preserve colours. Applied to textiles, oak gall nut extract

Also known as oak gall, Aleppo gall, dyer’s gall, gallnut of commerce.


Unlike the usual powder, this is a highly concentrated extract of Quercus infectoria gall nuts. With a tannin content of over 95% gallotannins, it is one of the richest natural sources of tannin available. Gallnut extract has been used for centuries in both dyeing and ink making, prized for its ability to fix, deepen, and preserve colours.

Applied to textiles, oak gall nut extract enhances dye uptake, improves both light- and wash-fastness, and allows colours to age into more complex, layered tones. It is particularly important in “galling” cellulose fibres before mordanting with alum, ensuring long-lasting durability and brilliance.

Historical Note
Gallnuts have been central to dyeing since antiquity and are mentioned in countless medieval and early modern dye books. They were also a vital ingredient in iron gall ink, the standard writing ink of Europe for more than a thousand years. Their role in natural dyeing is equally enduring, forming the backbone of tannin-based mordanting for cellulose.

Active Dye Components

  • Gallotannins (hydrolysable tannins, over 95%)

CI Colour Name
Not a dye in itself; classified as a tannin mordant/assist.

Advantages

  • Increases lightfastness: protects colours from fading in sunlight
  • Improves wash fastness: stabilises colours through repeated laundering
  • Ideal for galling: strengthens mordanting on cellulose fibres
  • Eco-friendly: sustainably sourced, biodegradable, and non-toxic

Shading Tips

  • Alone → soft beiges to grey-browns (with iron modifiers, near-black)
  • With alum mordant → clearer shades, better brilliance
  • With iron → dark greys and near-black
  • Essential as a tannin base for cotton, linen, and hemp mordanting

Light fastness: excellent (when used as a tannin base or with iron).

Source
Derived from sustainably harvested oak galls of Quercus infectoria.

Shipping Notes
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Exchange/Return Notes
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SKU: 17781510450

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DD
Lake Worth, US
★★★★★ 5
Dog loves it
Size: Medium (1 Pack)
Bought this for my dog he loves it! Well made easy to throw and light weight
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Reviewed in the United States on November 21, 2025
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Verified Purchase
Liane
Carnegie, US
★★★★★ 4
This ball is heavier than the original.
Size: Medium (1 Pack)
The ball is heavier-duty. I love the colors but my dog (border collie mix) and I are not a fan of the extra weight. He didn't like catching it and it was harder to use with Mr. Chuckit. He plays with it in the house. I would highly recommend it for big dogs and big chewers!
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Reviewed in the United States on March 8, 2025
D
Verified Purchase
Dave
Carnegie, US
★★★★★ 5
One Tough Ball!
Color: Blue
Our dogs are loving this ball. Our 1 yr old hound is a world-class chewer and he can't make a dent in this ball. The interactive buzzing and bouncing keeps them entertained for long durations. It's a mite noisy but the barking from the 1 yr old is much louder, lol. Even turned off, they like playing with it and chewing on it. Based on the tough construction, we think it will last much longer than traditional chew balls.
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Reviewed in the United States on March 22, 2026
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Verified Purchase
Janice A
Charlottesville, US
★★★★★ 5
My puppy’s favorite
Color: Orange
Great quality and built to last. My dog really enjoys playing with it and stays entertained for quite a while. The material is strong yet safe, and the included drawstring bag is a convenient extra for easy storage. Is colorful and my become my puppy’s favorite.
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Reviewed in the United States on March 1, 2026
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Amazon Customer
Massapequa, US
★★★★★ 1
If you love your dog…don’t buy this.
Color: Orange
We have a nonaggressive English cocker. She opened the ball every time she played with it. And yes, we are closing it as hard as we can. I do not recommend this toy for any dog! This is a dangerous toy for a dog that is not supervised.
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Reviewed in the United States on March 16, 2026

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