GRAMOS® provides strength in depth gained with over 50 years’ experience within metal cleaning, finishing and surface control solutions for industrial pre-treatment processes. Our extensive product range is strengthened further by our technical support team who are on hand to provide bespoke chemical dosing systems, site service and customer service laboratory testing to suit your individual requirements (subject to agreement).

SURFACE CONTAMINATION
WHAT IS IT?
Oily or greasy substances, hydrocarbon deposits. Sources of surface contamination within manufacturing could be from cutting fluids, pressing oils, mould release agents and lubricants.

SURFACE CONTAMINATION
WHAT DOES IT CAUSE?
Prevents paint and coating adhesion. Therefore the removal of grease is important within manufacturing, repair and overhaul. Orapi manufactures a comprehensive range of solvent and aqueous degreasing solutions to suit every application, for all types of oil, grease and soil removal whether by single or multi stage pre-treatment process. Our technology utilises the latest in chemical advances for manual, immersion, ultrasonic and spray wash processes.

OXIDATION
WHAT IS IT?
Oxidation is the interaction between the oxygen molecules present in the atmosphere and a surface or material it reacts with. Common forms of oxidation are the formation of rust on iron or steel surfaces and components or how freshly processed copper turning green when left in the environment.

Oxidation can often cause unsightly reactions on the surface or can cause destructive effects, these oxide layers are sometimes needed to be removed before the component can be further processed or to make the surface appear clean and bright. Products with this capability are known as de-oxidisers and they remove the thin oxide layer from the surface exposing the bare metal again. This bare metal will have a bright finish and will be reactive to various processes including Phosphating and Corrosion Inhibitors.

Our range of advanced products offer fast and effective solutions for the removal of corrosion and oxide coating from metal surfaces. Many of the pickling and de-scaling products are specifically formulated to ensure a long solution life providing the opportunity to acheive cost reductions.

PHOSPHATING
WHAT IS IT?
The process of Phosphating relates to the conversion coating process that produces a uniform, very thin layer of metal Phosphate on the surface on a metal component. The resultant metal Phosphate surfaces are formed for various reasons; these include improved paint and plastic coating adhesion, corrosion protection and increased lubrication prior to metal drawing operations.

To enable the Phosphating process to work efficiently the surface of the metal will need to be clean of any contamination. Therefore often a de-oxidising or degreasing operation is required prior to the Phosphating process to remove any oxide layers, oils and greases that are present.

Our iron phosphate, zinc phosphate, chromate or dry in place systems provide a superior conversion coating on ferrous and non-ferrous metal surfaces prior to painting. Use of these processes and final rinse additives increases the corrosion resistance of the metal surface and enhances paint adhesion properties.

CORROSION INHIBITORS
WHAT ARE THEY?
A corrosion inhibitor is a protective additive encased within a chemical blend, when
applied to a surface it decreases the corrosion rate of a material, typically a metal or an alloy. This common mechanism for inhibiting corrosion involves formation of a coating, often a passivation layer, which prevents access of the corrosive substance to the metal.

Our range of water based and solvent based anti-corrosion and protective treatments are available to suit all applications from short to long term protection. These offer essential protection against the corrosion of ferrous metals following cleaning and processing.