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Product Info for UNITHANE 8118 NF

UNITHANE 8118 NF is a clear, bright hard NMP and NPEO/APEO free topcoat that gives a feel similar to a nitrocellulose lacquer, when a light coat is sprayed at a ratio of 1:1 with water onto full grain leather. Due to its inherent hardness, UNITHANE 8118 NF is not recommended for use as a topcoat for upholstery leathers or on leathers that will be dry milled. UNITHANE 8118 NF has excellent abrasion resistance and is very suitable as a component when added into soft top coats to help increase this property. UNITHANE 8118 NF should not be used alone for roll coating because, due to its hardness, it could crack due to the thickness of the film applied by this method.

A starting formula for application is as follows (All parts by weight):



Industrial Applications:

This product is recommended for: Leather

Product Characteristics:

Product Class Solids % pH Viscosity @25ºC Gloss VOC g/L Tensile (D-882) Elongation (%) Modulus 100% (psi) Sward Hardness
Finishing 19 – 21 8.0 – 10.0 50 – 200 cps.

Full product details can be found in this section:


Special Features: NMP-Free (NF)
Application Types – Leather: Bright, Upholstery, Shoe, Handbag


Total Solids %: 19 – 21
pH: 8.0 – 10.0
Viscosity @ 25⁰ C: 50 – 200 cps.
VOC (% of total weight): 11.7-11.8
Specific Gravity: 1.01-1.04
Appearance: Semi-translucent
Freeze/Thaw Cycles (D-2243): 0
Shelf Life: Maximum 12 months
Mix Well Before Using
Harmonize Tariff Number: 3909.50.6000

Certified to ISO-9001:2015

Contact Information:

3 Malcolm Hoyt Drive
Newburyport, Massachusetts 01950 ∙ U.S.A.
Tel: (978) 465-1717 ∙ Fax: (978) 465-4194
E-mail: ∙


The information and data contained herein are believed to be correct. However, we do not warrant either expressly or by implication the accuracy thereof.

[Please note that due to the Chinese Trademark Office opposition decision, products destined for the China marketplace in the category of “Adhesives for Industrial purposes: Polyurethane,” will NOT contain the trade name “UNITHANE” but will be labeled only with the letter or number designation. Please contact us if there are any questions. Thank you.]