PERFASCOUR GDE

Application

To dissolve Perfascour GDE, add the required amount to warm water, stirring, until a clear solution is produced. The solution can now be added to the scour or dyebath. Levels of 0.5 – 2.0 g/l should be employed.

Cotton Pre-treatment

Before dying or printing of cotton goods, it is usual to pre scour or bleach to improve the absorbency of the goods. Including Perfascour GDE in these processes will ensure good wetting out, absorbency and wax removal. Caustic wash off will also be improved.

Perfascour GDE is an excellent scouring agent for removal of spin finish from yarns and finishes containing elastomeric fibres.

Dyeing

In any wash off situation the detergency and anti-redeposit ion properties will ensure good clean dyeings with enhanced fastness.

Wool

When pre-scouring wool yarns or fabrics 2-4 grams/litre Perfascour GDE should be employed along with a suitable amount of Sodium Bicarbonate to overcome any pH irregularities.

When dyeing hard twist carpet yarns where penetration is a problem, the addition of 1 g/l Perfascour GDE to the dyebath will ensure penetration and will also remove and hold in suspension any Wool grease, which the scouring process has failed to remove.

In garment dyeing the addition of 0.5 g/l will improve seam penetration and ensure cleaner dyeings. With heavily contaminated yarns Perfascour GDE will boost the performance of traditional detergents thus ensuring a low residual. In chrome dyeing, particularly black, rubbing fastness can be improved by including 0.5 g/l Perfascour GDE in the dyebath.

The addition of .05 g/l Perfascour GDE to loose wool dye baths will ensure low residuals and good clean dyeings.

Synthetics

In polyamide and polyester dyeing of knitted goods in jet machines, the inclusion of Perfascour GDE in the dyebath will in some cases obviate the need for pre rinsing and will keep machines clean and free of oligomer. This is particularly important in the heat exchangers for high temperature machines. It is important, before using Perfascour GDE in either polyester dyeing or reduction clearing, to boil out the machine with Perfascour GDE to remove old oligomer from the machine. Rub fastness after reduction clearing, particularly of dark shades, will be improved by the use of Perfascour GDE as its anti redeposit ion properties will ensure that no oligomer or unfixed dye adheres to the fabric or yarn.

Denim Processing

The strong emulsification properties make Perfascour GDE suitable for use when de- sizing denim jeans prior to stone washing. The inclusion of 1-2 g/l Perfascour GDE in the enzyme baths will reduce staining by indigo dye on to pockets and adornments, as well as giving a clear contrast on the fabric.

Benefits

• Biodegradability: Formulated with surfactants which are classed as readily and ultimately biodegradable.
• Emulsification: Removes and emulsifies dirt, oil, wax etc. and keeps them in suspension preventing redeposition.
• Penetration: Due to its solvent content, Perfascour GDE is especially suited for penetrating and removing oil and grease stains.
• Scour dye ability: Because of its excellent dye dispersing power Perfascour GDE may be used as a scour/dye auxiliary on synthetic or natural fibres and their blends.
• Foam Control: Perfascour GDE may be used in non-fully flooded jet dyeing machines because of its excellent foam control properties.
• Caustic Stability: Because of its stability to caustic soda and sodium hydrosulphite, Perfascour GDE can be used in the reduction clear bath to remove unfixed disperse dye from the surface of polyester fabric.
• Build-Up: Has no effect upon the build-up, yield or fastness of disperse, acid or pre-metalised dyestuffs.
• Pre-scour: Can be used along with a suitable alkali (e.g. caustic soda, soda ash, phosphates) in pre-scouring or soaping-off operations.

Typical Properties

Storage Advice / Shelf Life

The usual precautions in handling chemicals should be observed and it is recommended that operatives should wear goggles and gloves when handling the concentrated product. Any contact with skin and eyes should be washed immediately with copious amounts of cold water. Please refer to Material Safety Data Sheet for further information.

Health & Safety

Please refer to the Safety Data Sheet, freely available, for product handling and disposal advice. Please note that the SDS includes handling, storage, health and disposal information which should be passed on to anyone else who comes in contact with our product. Additional advice can also be obtained from your local representative.

NOTE: Read and understand all precautions on container labels before using this product.