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Product Info for UNITHANE HP-25


UNITHANE HP-25 is a NMP-free, soft, high performance water based polyurethane bright topcoat with a pleasant feel. UNITHANE HP-25 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 can be blended with UNITHANE HP-25-D to adjust gloss before being applied by spray or roll coater.

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. 85

Full product details can be found in this section:


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


Total Solids %: 24 – 26
pH: 8.0 – 10.0
Viscosity @ 25⁰ C: 300 – 600 cps.
VOC (% of total weight): 10.2-10.5
Specific Gravity: 1.03
Appearance: Opaque
Gloss (60): 85
Freeze/Thaw Cycles (D-2243): 0
Shelf Life: Maximum 18 months
Harmonize Tariff Number: 3909.50.6000

Certified to ISO-9001:2015

Contact Information:

3 Malcolm Hoyt Drive
Newburyport, Massachusetts 01950


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.]