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Product Info for UNITHANE HP-25-D


UNITHANE HP-25-D is a NMP-free, soft, dull high-performance water based polyurethane topcoat with a pleasant, “soft touch” feel. UNITHANE HP-25-D has excellent anti-blocking, adhesion and flexibility properties and is specifically designed for high performance athletic type applications where excellent physical properties are demanded. UNITHANE HP-25-D can be blended with UNITHANE HP-25 to adjust gloss before being applied by spray or roll coater on side leather or upholstery. UNITHANE HP-25-D can be used on black or dark colors with minimal or no “white haze” after spraying.

A starting formula for spray 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 24 – 26 8.0 – 10.0 300 – 600 cps. 2.5

Full product details can be found in this section:


Special Features: NMP-Free (NF)
Application Types – Leather: Dull, Shoe


Total Solids %: 24 – 26
pH: 8.0 – 10.0
Viscosity @ 25⁰ C: 300 – 600 cps.
VOC (% of total weight): 9.1-9.4
Specific Gravity: 1.01-1.04
Appearance: Opaque
Gloss (60): 2.5
Freeze/Thaw Cycles (D-2243): 0
Shelf Life: Maximum 12 months.
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.