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 TEXTILE / Water Repellent

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We are compounding for customer needs like water repellent floo carbons and emulsion materials.

The making of clothing water repellent has been an age-old application used by man.
The developments in water repellency have travelled long back and started with the use of animal skins, furs,  tars and whale fats to make the clothing water repellent. Then it was the use of vulcanised rubber, which was being used as water repellent coating on fabrics.

With the start of the century, chemicals began to be developed that helped to make the fabrics water repellent and more comfortable.

IMPREGNATE R
Water repellent for textiles

Properties:Good effects for tentage, awning, webbing and other applications where a waxy handle is desirable. Particularly heavier weight cottons and acrylics, such as made-up items such as sails, tents atc.
Composition: Wax emulsion with aluminium salts.
Appearance: Creamy white acid emulsion which increases in visconsity with temperature. Readily dispersible in water. Unstable in alkaline conditions.
Solids:38% nominal
PH Value: 5,5+/-
Ionic Nature:Cationic
Concentration: Because the wet pick-up may vary considerably according to the type and weight of the fabric, the bath concentrations will need to be adjusted accordingly. Based on a 60% wet pick-up, acrylic and medium weight cottons require 50-100 gr./lit., and heavier weights up to 200 gr./ litaccording to performance requirements. For the treatment of made-up articles by brush, dip, or spray, a 10% solution (100gr./lit) should be used.
Durability: Whilst IMPREGNAT R has excellent resistance to weathering, it does not possess any significant fastness to washing or dry cleaning.
Combined Finishing: IMPREGNAT R may be combined with certain handle modifiers, such as starches, dextrin and polyvinly acetate emulsions. In selecting suitable products, account should be taken of their chemical compatibility as well as their possible effect on water resistance.
Cloth Preparation: For optimum results the fabric should be free from size, fats, wetting agents and auxiliaries and should be in a natural to slightly acidic condition with particular care. Wherever possible, the use of non-ionic wetting agents should be avoided. Anionic types are preferable, and in any case, fabrics must be rinsed thoroughly before proofing.
Application:   Preliminary trials should be carried out to establish compatibility of the equipment and other auxiliaries used in processing. IMPREGNAT R is applied on the padding mangle for piece goods or by dip, brush or spray on made-up artickels, such as tents or sails. The required amount of IMPREGNATE R should be diluted with an equal amount of water ( in cold conditions hot water will assist dispersion) and sieved anto the bath. No special curing or baking is required, but for optimum results the fabric should be fully dry. A temperature of 100 C is sufficient. Allow the fabric to condition before testing-110C
Handling: Observe normal industrial hygiene procedures. Protect from frost.

 

 

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