LORD Corporation

With more than 3,100 employees in 26 countries, 19 manufacturing facilities and 10 R&D centers worldwide, we're there for our customers.

Our Company
Learn about Parker’s safety-focused approach to COVID-19. Read More

Chemlok® 205A Primer Where to Buy

Product Information

LORD Chemlok® 205A primer is designed for use under Chemlok covercoat adhesives to bond a wide variety of vulcanized and unvulcanized rubber compounds to metals and other rigid substrates. Chemlok 205A, a modification of Chemlok 205 adhesive primer, is composed of a mixture of polymers, organic compounds and mineral fillers dissolved or dispersed in a predominately ketone solvent system.

Chemlok 205A primer is also an excellent one-coat adhesive for bonding some nitrile rubber compounds.

Shelf Life

Shelf life is one year from date of shipment when stored at 21-27°C (70-80°F) in original, unopened container.

Features and Benefits

Versatile – can be used as a primer under a wide variety of Chemlok covercoat adhesives such as the Chemlok 220 series, Chemlok 230 series or Chemlok 250 series adhesives.

Environmentally Friendly – dilutable with aromatic solvents, reducing the number of solvents in plant inventory.

Easy to Apply – applies easily by brush, dip, spray or roller coat methods; suitable for existing production lines.

Durable – provides rubber tearing bonds and outstanding environmental resistance when used in combination with Chemlok covercoat adhesives.

Convenient – requires only a single coat application to bond some nitrile rubber compounds to rigid substrates during vulcanization.

Typical Properties*

Appearance Gray Liquid
Viscosity 85 - 165 cps @ 25°C (77°F), Brookfield LVT, Spindle 2, 30 rpm
20 - 40 seconds, Zahn Cup #2
Density, kg/m3 (lb/gal) 910.7 - 970.6 (7.6 - 8.1)
Solids Content by Weight, % 22 - 26
Flash Point, °C (°F)
16 (61)
Solvents Methyl Isobutyl Ketone (MIBK), Methyl Ethyl Ketone (MEK), Propylene Glycol, Monomethyl Ether

*Data is typical and not to be used for specification purposes.


Download Type Name
Download Technical Data Sheet Chemlok 205A Primer
Download Safety Data Sheet Chemlok 205A

NPS Survey

Product Way-Finding webform
Product Way-Finding webform
Feedback Button
Feedback Button