Will this seal chalk written on a chalkboard?

Yes, if you have prepared your chalk drawing right. Here is a link to a complete tutorial on chalk drawing. Best of art to you! http://inmyownstyle.com/2012/07/how-to-draw-like-an-artist-on-a-chalkboard.html

I want to preserve a 70 year old diary that belonged to my grandmother. it is written in pencil & ink. Would this product deteriorate the paper?

Paper is the weakest link in old manuscripts, letters, etc. If it has not turned yellow, but still remains white, you don't need a protictive film on it. The old lead pencils do not fade, and most ink that old is permanent. (Any fading you see is usually the acid based paper taking the annotations with it. I've had more than hundred-year-old documents disintegrate into flakes, while the pencil and ink annotations remained intact on the flakes. Most old papers were not acid free, so with age they fall apart and yellow. I have family photos from more than a hundred years ago, and it is usually the photo image that fades, leaving pencil notations still scalable.If you want to preserve the diary, I'd recommend scanning it as a PDF file, giving you a permanent digital record. If you want to retain the fading/color of the original, scan in color.This product is not permanent fixative, this is workable, meaning it can be rubbed off.

Could this protect a drawing on a chalkboard drawn with water based chalk pens?

I would not be able to answer this question. All I can tell you it worked well on a piece of wood that had a colored pencil drawing on it . Sorry

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Krylon® Workable Fixatif 11 oz. Aerosol Spray - Lasting Protection for Pencil, Pastel and Chalk Drawings (Pkg/2)

Product ID: 4112982

Details

Age Range (Description)
Adult
Brand
Krylon
Color
Charcoal
Ink Color
Clear
Material
Metal

💧Water-resistant matte finish

🕒Dries to touch in 30 mins

🛡️Acid-free archival protection

¥12150

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Description

🎨 Lock in your legacy with Krylon’s Workable Fixatif!

GENEROUS COVERAGE - Each 11 oz can covers up to 20 sq. ft. of creative space
FAST DRY CONVENIENCE - Touch dry in 30 minutes, handle safely in 1 hour
ARCHIVAL SAFE FORMULA - Preserves artwork without yellowing or wrinkling over time
WORKABLE RECOATABLE - Reapply anytime to keep your art flawless and fresh
SMUDGE PROOF YOUR MASTERPIECES - Protect pencil, pastel, chalk & charcoal with confidence

Krylon Workable Fixatif is an acid-free, archival-safe aerosol spray designed to protect pencil, pastel, chalk, charcoal, and ink drawings from smudging, yellowing, and wrinkling. It dries to the touch in 30 minutes and is water-resistant with a matte finish, offering up to 20 sq. ft. coverage per 11 oz can. Ideal for artists seeking durable, long-lasting protection without compromising the ability to recoat.

Specifications

ASIN	B0029JSGTM
Additional Features	Waterproof
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#107,112 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #7 in Drawing Fixatives
Body Shape	Round
Brand	Krylon
Brand Name	Krylon
Color	Charcoal
Customer Reviews	4.7 out of 5 stars 316 Reviews
Hand Orientation	Ambidextrous
Included Components	Fixative Spray Can
Ink Base	Water
Ink Color	Clear
Item Weight	0.84 Kilograms
Manufacturer	Krylon Products
Material	Metal
Material Type	Metal
Model Name	Krylon Workable Fixatif
Model Number	K01306
Recommended Uses For Product	Home
Special Feature	Waterproof
Style	Matte Finish
Theme	Art Supplies, Fixative Sprays
Unit Count	11.0 Ounce
Water Resistance Level	Water Resistant

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¥12150

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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