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Product Info for UNITHANE BC-4 NF


UNITHANE BC-4 NF is an excellent universal basecoat resin for most types of corrected grain leathers, including hand sewn moccasin leather.

UNITHANE BC-4 NF can either be applied by spray or roll coating machine resulting in a very dry base coat for easy handling.

UNITHANE BC-4 NF has excellent filling and molding properties but it is recommended to spray a release coat before plating.

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 33 – 35 7.5 – 9.0 1 – 600 cps. 70 – 100

Full product details can be found in this section:


Special Features: NMP-Free (NF), Low VOC (<100 g/L)
Application Types – Leather: Upholstery, Shoe, Handbag


Total Solids %: 33 – 35
pH: 7.5 – 9.0
Viscosity @ 25⁰ C: 1 – 600 cps.
VOC (% of total weight): 2.14
Specific Gravity: 1.04
Appearance: Opaque
Gloss (60): 70 – 100
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 ∙ 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.