LORD Corporation

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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