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When you have a new jacket it's amazing how the water just runs off the outside. This happens because of a durable water repellent treatment (DWR) that's applied at manufacture to all jackets. But dirt, oil and normal household detergents will, over time, mask the DWR, causing the outside of the jacket to absorb water (wetting out). 'Wetting out' reduces breathability, comfort and performance and can make the jacket feel cold and wet to the touch. Grangers' cleaners and proofers remove dirt, oils and stains and restores the product to its original performance, or as we like to say 'Original performance restored'.
Granger’s cleaner also contain an anti-odour agent which helps prevent odours from building up on clothes – helping keep your garments smelling fresher between washes.
All Granger’s cleaners are biodegradeable, phosphate free and use bluesign® approved formulations.
As Granger’s cleaners contain no brighteners and perfumes they are suitable for use on hunting garments as they leave no scent or UV reflective chemical on the garments.
With Merino garments in particular there is another common problem – damage caused by moths. The larvae of moths in the Tineidae family eat wool and silk fabrics, resulting in holes in the garments. Keeping your garments clean is the most effective way of preventing them as oils and sweat will provide a good source of nutrition for the larvae. Cedar cabinets have been used for centuries to store clothes – so as an additional measure to help protect the garments we have added a small amount of natural Cedar oil to our Merino Cleaner to help keep moths away.
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Regular cleaning is vital to maintaining the DWR on all garments. Regular household detergents mask a garments DWR by leaving a number of different residues on the garment, including optical brighteners, enzymes and perfumes. Granger’s cleaners are detergent based and will remove dirt and grime but contain no perfumes or brighteners, allowing the DWR to work at it’s best.
Agitation in a washing machine will help to remove water soluble stains but agitation on it’s own this will not clean garments that effectively. Soaps and detergents are known as surfactants and work in a couple of different ways to help clean different materials. The main characteristic they all share is that the molecules are long chains, with a charge at one end. This makes the charged “head” attracted to the water, as water molecules have a charge dipole. This is said to be hydrophilic (water loving). The tail of the molecule has no charge and is thus hydrophobic (water fearing). An example of this is sodium stearate, which has a hydrocarbon “tail” and a negatively charged “head”.
Detergents reduce the surface tension of water. In high concentrations, micelles form from the repulsion of the hydrophobic end of the molecules by water. Adding a detergent to water means that it is more likely for water to be adsorbed into the fibres on clothes, rather than forming droplets on the surface. Detergents also help in the removal of grease and oils from materials, as the hydrophobic end of the molecule can help to break up and attract droplets of oil. With agitation, large droplets can be broken up into smaller ones. The droplets of oil, surrounded by the detergent molecules form an emulsion in the water and are able to be washed away.
Detergent – A detergent is a surfactant or a mixture of surfactants having “cleaning properties in dilute solutions.” Commonly, “detergent” refers to alkylbenzenesulfonates, a family of compounds that are similar to soap but are less affected by hard water.
Surfactant – A surfactant is a compound that lowers the surface tension of a liquid, the interfacial tension between two liquids, or that between a liquid and a solid. Surfactants may act as detergents, wetting agents, emulsifiers, foaming agents, and dispersants. Surfactant molecules have one side that prefers water (hydrophilic), and another side that prefers oils and fats (hydrophobic). The hydrophilic side attaches to water molecules, and the hydrophobic side attaches to oil molecules. This action allows the oil droplets to break up into smaller droplets, surrounded by water. These smaller droplets are no longer stuck to the material to be cleaned, and are washed away.
Optical brighteners – optical brightening agents (OBAs), fluorescent brightening agents (FBAs) or fluorescent whitening agents (FWAs) are dyes that absorb light in the ultraviolet and violet region (usually 340-370 nm) of the electromagnetic spectrum, and re-emit light in the blue region (typically 420-470 nm). Fluorescent activity is a short term or rapid emission response, unlike phosphorescence, which is a delayed emission. These additives are often used to enhance the appearance of color of fabric and paper, causing a “whitening” effect, making materials look less yellow by increasing the overall amount of blue light reflected.
Dipole – The dipolar interaction between water is shown in the illustration below. The polar nature of water molecules allows them to bond to each other in groups and is associated with the high surface tension of water.
The most important difference between a soap and detergent is their behavior in water. A big drawback of washing with soap is that it forms a scum in hard water, which is not easy to rinse away and can leave a residue on the laundry.
Detergents react less to minerals in water hence does not leave this residue. In soft water areas a soap will work satisfactorily, but even then a gradual build-up of calcium and magnesium ions (also called ‘curd’) will be left on the fabric.