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BLANKET ADHESIVE BA-1300

Textile Engraving Chemical Of Rotary Printing

BLANKET THERMOPLAST PERMANENT ADHESIVE FOR TEXTILE PRINTING BLANKET ADHESIVE BA-1300 30/50/80 is Thermoplast permanent Adhesive for textile printing.

It is used for safe bonding of Fabrics during printing on Flat bed (Semi & Fully Automatic) and Rotary Printing machines also. In cold atmosphere this permanent adhesive are not tacky. Due to thermal conductivity the adhesive will get tackiness. Certain adhesive has certain activation temperature like BA 30 gets tackiness at around 30degC, BA 50 gets tackiness at around 50degC and same way BA 80 gets tackiness around 80degC. However, at certain temperature, tackiness appears which disappears again when the adhesive temperature sinks below its activity range.

Properties:

  • BA 30/50/80 does not attack the printing surface of the machine Rubber blanket as it is free from Aromatic hydrocarbons and other harmful chemicals.
  • BA 30/50/80 are not toxic and free from the Organic components and other harmful solvents.
  • They have an extensive durability and strength.
  • They do not interact with printing auxillaries, any emulsion agents, alcohols. Higher alcohols should be tested before use of spirit and defoaming agents.

Application:

Before applying this adhesive, the Belt has to be cleaned, degreased and dried properly. Guide Rolls and belt must be cleaned by removing dust, dirt, colours, dried adhesive particles, fluffs etc. After cleaning of belt, one wash of ethyl acetate or butyl acetate is done.

Firstly coat the Blanket with BA 80 to get even surface for base coat. Then rotate the blanket for 3 to 4 hours, for drying. Before applying the second coat check the departments temperature and then decide to use separately BA 30 or BA 50 or the mixture of BA 30 & BA 50. In case you are using particular mixture then you take the particular ratio of the BA 30 & 50 for particular temperature and then coat the blanket about 2 to 3 rounds of the belt. Again rotate the blanket only for drying for 4 to 6 hours. Thus approximately total 6kgs. material for the coating is recommended for approximately 40sq.mtr area of Blanket. As a result, 150gms of adhesive will be consumed per Sq.mtr. to get Rich coating.

Notes:

  • If more tackiness is required, use of minimum BA 30 is recommended.
  • For Rotary Machine, where less adhesion for fabric is required, use of BA 30 is avoided.If temperature goes above 50degC then use BA 50 & 80 in the ratio of 2:1.
  • When tackiness is lost, the blanket can be over coated with just about 0.5kg to 1kg of materials.Then rotate the blanket for about 15 to 30minutes for drying before printing.

Performance of the thermoplast is effected by factors like heating and pressing system, Quality of the fabrics to be printed, the finish of the fabric, the room temperature etc. They effect in obtaining the required result even though best quality of BA 30/50/80 is used.

Short Information of the Mixing Proportion of different type †of MCI Adhesive.

ON FLAT BED MACHINE
Heating and pressing by the same roll Base coat of BA 80 and then mix of BA 50 + BA 80 (2:1)
Heating is fairly good Base coat of BA 80 and then only BA 50 (Self).
Heating is Poor Base coat of BA 80 & then mix of BA 50 & 30

ON ROTARY PRINTING MACHINE

Heating and pressing by same roll. Base coat of BA 80 & then mix of BA 80 + BA 50 (2:1)
Heating is fairly good Base coat of BA 80 and then mix of BA 50 & BA 80 (2:1)
Heating is Poor Base coat of BA 80 and then only BA 50.

Packing: 10kg & 30kgs It can be stored up to 1yr. at a temperature of 30íC

Note: The information contained herein is based on actual tests and offered as a guide only Without Obligation.

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