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Aldehyde resin, particularly the well-known Laropal A 81 (manufactured by BASF), is a specialized synthetic resin widely used in the paint and coatings industry rather than typical, everyday "craft" paints. It is primarily used as a binder or additive in professional coatings, varnishes, and high-quality artist paints, especially conservation paints.
Key Details About Aldehyde Resin in Paint:
- What it is: A condensation product of urea and aliphatic aldehydes. It is a hard, low-molecular-weight resin that comes in white pellets.
- Use in Art Paint: It is used to create conservation paints (like Gamblin Conservation Colors), which are used for inpainting in art restoration because they remain reversible (solvable) over time, unlike some acrylics.
- Characteristics:
- Excellent Stability: Highly resistant to yellowing, making it superior to natural resins like damar.
- Good Pigment Wetting: Excellent for creating high-pigment content pastes and improving pigment dispersion.
- Solubility: Soluble in most paint solvents (aromatics, esters, ketones) but not in water.
- Compatibility: Compatible with almost all coating raw materials, including nitrocellulose, acrylic, and alkyd resins.
- Benefits: Used in paints to enhance gloss, hardness, adhesion, and speed up drying times.
Common Trade Names/Types:
- Laropal A 81: The most common aldehyde resin used in art and professional coatings.
- Laropal A 101: Similar to A81, often used in similar applications.
- Laropal K 80: A ketone resin (often grouped with aldehyde resins).
For everyday crafts, artists typically use acrylic binders or varnishes rather than pure aldehyde resins, which are generally utilized in professional restoration or custom, high-durability coatings.
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Rublev Laropal A81 Aldehyde Resin
Blick Art Materials
https://www.dickblick.com › ... › Oil Painting Mediums
Blick Art Materials
https://www.dickblick.com › ... › Oil Painting Mediums
Professional quality. Ideal for creating high-pigment content pastes. Excellent pigment wetting for smooth, consistent results. Resistant to yellowing.Read more
$8.46In stockFree delivery over $79365-day returns
Laropal A 81
Natural Pigments
https://www.naturalpigments.com › laropal-a-81
Natural Pigments
https://www.naturalpigments.com › laropal-a-81
This pale, yellowing-resistant aldehyde resin is soluble in almost all paint solvents and compatible with practically all coatings materials. Details.Read more
$9.40Free delivery over $10030-day returns
People also ask
What is an aldehyde resin?
INT A81 HW Aldehyde Resin is the condensation of urea and aliphatic aldehydes, colorlessly crystal or yellowish, soluble in most paint solvents except water and widely compatible with coatings and printing ink raw materials.
INT A81 HW Aldehyde Resin by Intech Synthetic Materials - UL Prospector
UL Prospector
https://www.ulprospector.com › Coatings › Detail › INT-...
UL Prospector
https://www.ulprospector.com › Coatings › Detail › INT-...
Can I mix regular paint with epoxy resin?
Plain paints you can! You don't want more than 10% paint to resin :) Yes you can use acrylic paint to colour epoxy. However it depends on the type and viscosity of the paint, not just the 6-10% ratio.May 16, 2024
Can I add acrylic paint to epoxy resin? - Facebook
Facebook
https://www.facebook.com › groups › posts
Facebook
https://www.facebook.com › groups › posts
Can you use acrylic paint as resin dye?
Yes, just use a small amount compared to the amount of resin. For example, I typically use 1-2 drops for every 4oz of resin. I only use Acrylic paints. Just a few drops to make it transparent or I add more to make solid colors.Apr 25, 2025
Can I use acrylic paint in resin? - Facebook
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Facebook
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Web results
Aldehyde Resin Using For Nitro Paint
anhui derun import & export trading co., ltd
https://m.anhuiderun.com › video-44080-videos-aldehyd...
anhui derun import & export trading co., ltd
https://m.anhuiderun.com › video-44080-videos-aldehyd...
This resin enhances adhesion, gloss, and hardness while offering excellent anti-yellowing properties. Perfect for nitro paint and various coatings. Related ...Read more
Aldehyde Resin SN 81-1
SunyChem
https://www.sunychem.com › Aldehyde-Resin-SN-81-1-...
SunyChem
https://www.sunychem.com › Aldehyde-Resin-SN-81-1-...
Aldehyde resin can be used in baking paint, as it will not decompose to send off peculiar smell or influence the luster. 5% dosage can increase the hardness ...Read more
An Investigation of the Photochemical Stability of Urea ...
- Gamblin Artists Colors
https://gamblincolors.com › investigation-photochemica...
- Gamblin Artists Colors
https://gamblincolors.com › investigation-photochemica...
The urea–aldehyde resin paints show good photochemical stability and remain removable using low-aromatic hydrocarbon solvents after 3000 hours of aging. Because ...Read more
Aldehyde Resin SH-A81
mpfs.io
https://mpfs.io › assets › everchem › 2019/02 › Al...
mpfs.io
https://mpfs.io › assets › everchem › 2019/02 › Al...
PDF
It is soluble in almost all paint solvents but not in water and compatible with practically all coatings raw materials, it has excellent yellowing-resistance.Read more
2 pages
Ketone Aldehyde Resin
sinosunman
https://www.sinosunman.com › blog › ketone-aldehyde...
sinosunman
https://www.sinosunman.com › blog › ketone-aldehyde...
Apr 25, 2021 — Sunman's ketone Resins can be used as co-binders in paints, adhesive, printing inks and other inks. They not only increase the solids content ...Read more
Aldehyde Resin A-81
China AAB Industry Technology Group
https://www.aabindustrygroup.com › aldehyde-resin-a-81
China AAB Industry Technology Group
https://www.aabindustrygroup.com › aldehyde-resin-a-81
Aldehyde resin A 81 is used as grinding resin in universal pigment and applied widely in coating and printing ink formulation. We support customized products, ...Read more
Aldehyde Resin Polyaldehyde Resin for Paint Inks
Made-in-China.com
https://m.made-in-china.com › ... › Polymer & Resin
Made-in-China.com
https://m.made-in-china.com › ... › Polymer & Resin
Aldehyde Resin is a kind of aldehyde polycondensation resin, which is colorless or yellowish.It is soluble in almost paint solvents but not in water and ...Read more
· Review by MIC_BUYER
Aldehyde Resin A 81 Mediums, Binders & Glues
Kremer Pigmente Online Shop
https://www.kremer-pigmente.com › shop › 67204-alde...
Kremer Pigmente Online Shop
https://www.kremer-pigmente.com › shop › 67204-alde...
This resin is suitable as a varnish for paintings. In addition, it can be used to produce pigment pastes and can be used in thermosetting paints. Aldehyde ...Read more
€5.30 to €23.80In stock