MEHWER® WALNUT HULL INK

Walnut Hull Ink is a traditional, plant-based ink derived from the outer green/dried hulls of Juglans regia. Rich in natural tannins and juglone, it produces deep sepia, brown, and black shades valued for centuries in calligraphy, art, manuscripts, textiles, and eco-dyeing.

Mehwer Walnut Hull Ink products are 100% botanical, chemical-free, and sustainably sourced from Kashmir & Himalayan regions.

PRODUCT FORMS OFFERED

1. WALNUT HULL POWDER – INK GRADE

• Finely milled dried walnut hulls
• High tannin concentration
• Water-extractable
• Long shelf life

1. WALNUT HULL EXTRACT

• Available as liquid concentrate or spray-dried powder
• Standardized color strength
• Faster ink preparation

BOTANICAL DETAILS

COLOR PROFILE

• Light sepia
• Warm brown
• Dark chocolate brown
• Near-black (with iron or natural mordant)

✔ Color deepens with aging
✔ Excellent light fastness
✔ Vintage, archival appearance

KEY APPLICATIONS

 ART & CALLIGRAPHY

• Dip pen ink
• Brush ink
• Manuscript restoration
• Sketching & illustration

TEXTILE & NATURAL DYEING

• Cotton
• Wool
• Silk
• Linen
• Handmade paper

CRAFT & INDUSTRIAL

• Handmade paper tinting
• Eco-stationery
• Educational art kits
• Natural ink manufacturing
• Conservation & archival ink

 INK PREPARATION GUIDE (STANDARD)

Traditional Walnut Ink Recipe

1. Mix 100 g walnut hull powder with 1 L water                       
2. Simmer for 45–60 minutes
3. Cool and filter
4. Optional:
   • Gum Arabic (1–2%) → flow improvement
   • Iron salt → darker black
5. Bottle & store airtight

TECHNICAL SPECIFICATIONS

GRADES COMPARISON

PACKAGING OPTIONS

 RETAIL

• 100 g pouch
• 250 g pouch
• 500 g pouch
• 1 kg pouch

 BULK / EXPORT

• 10 kg HDPE drum
• 20 kg PP bag
• 25 kg fiber drum
• 30 L HDPE can (extract)

✔ Inner liner
✔ Batch number
✔ QR-linked COA & MSDS

 EXPORT LABEL COMPLIANCE

• Product name & grade
• Botanical name
• Net weight
• Batch / Lot No.
• Country of origin
• Storage instructions
• Cosmetic / ink-only disclaimer (if applicable)

 HS CODES

DOCUMENTATION PROVIDED

• Certificate of Analysis (COA)
• MSDS
• Botanical declaration
• Technical Data Sheet
• Batch traceability
• Export invoice & packing list

STORAGE & HANDLING

• Store in cool, dry place
• Protect from moisture
• Reseal after opening
• Use gloves during handling (bulk)

 MEHWER® BRAND

Pure • Traditional • Sustainable • Export-Ready

“Crafted from Himalayan walnuts, Mehwer Walnut Hull Ink preserves centuries-old natural ink traditions for modern artists and industries.”