Aluminum Pretreatment

WestChem Technologies is the licensed distributor for Bulk Chemical USA.  Bulk Chemicals is the world leader in pretreatment technology for the coated aluminum extrusion, railing and profile market.  Bulk Chemicals developed the patented E-CLPS® series brand of chrome-free products to the aluminum architectural market. E-CLPS® series is now the most popular chrome-free pretreatment in the world.  It was developed to reduce operational costs, improve worker safety, and provide superior quality and performance.

The E-CLPS® series process conforms to all global standards including A.A.M.A. 2605, 2604 and 2603 specifications as well as other international approvals from GSB International and QualitCoat.

Etching Alkaline Cleaners

BulkKleen 749HD
Get a quote Product Details

BulkKleen 749HD – is a concentrated liquid, etching type alkaline cleaner.  It is normally used for cleaning aluminum extrusions; coil stock or aluminum alloys in power spray or immersion applications. The BulkKleen 749HD has a heavy duty surfactant package withPaint extra detergency for cleaning the toughest substrates.  It retains the dissolved aluminum in solution; no hard, scaly deposits are built up on the tank surfaces or heating coils, thus minimizing maintenance costs.

BulkKleen 746 and 746K
Get a quote Product Details

BulkKleen 746 and 746K – is a concentrated liquid, etching type alkaline cleaner.  It is normally used for cleaning aluminum extrusions; coil stock or aluminum alloys in power spray or immersion applications.

Etching Acid Cleaners and Brighteners

BulkKleen 690
Get a quote Product Details

BulkKleen 690 – is a liquid free rinsing acid cleaner formulated expressly for the cleaning and conditioning of aluminum prior to coating.  Since the Bulk Kleen® 690 is a low foaming product it can be used in stainless steel or acid resistant immersion or spray washer equipment.

Bulkkleen 655
Get a quote Product Details
Bulkkleen 655 – is a liquid, acidic spray cleaner and metal surface conditioner.  It was developed to provide excellent cleaning of magnesium and aluminum surfaces.  It can be used as a cleaner to remove soils or as a conditioner of magnesium or aluminum surfaces for further treatment

Acid Desmutters and De-Oxidizers

BulkKleen 678
Get a quote Product Details

BulkKleen 678 – is an acid based metal cleaner and oxide remover. It conditions aluminum surfaces for accepting coatings where consistent uniformity is required.

Bulk Dox 100
Get a quote Product Details

Bulk Dox 100 – is a one package, non-chromated, de-smutter and/or deoxidizer solution, which can produce a bath for slight etching of aluminum and its alloys.

Chrome Free Treatment for Aluminum

E-Clps 2100 and 2101
Get a quote Product Details

E-Clps 2100 and 2101 – is a chrome free, non‑phosphate liquid coating chemical used to produce on aluminum and zinc alloys a clear, nearly colorless, chemical Dried‑In‑Place (DIP) coating. The coating, when properly applied, has excellent paint bonding properties and affords under film protection.

  • Proven process for  over 15 years
  • Free of chromium, regulated metals, phosphates, nitrates and any other hazardous ingredients.
  • Free of Volatile Organic Compounds.
  • low operating concentration is easily waste treated by simple neutralization.… read more