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Glue and glue bleed on leathers
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Most suede and leather garments are put together with varying amounts of glue,
cements and adhesives.
Garment manufacturers use these adhesive materials in hemlines, cuffs, seams,
inner facings, collars, pocket flaps, lapels, button holes, waist bands and
many other parts of garments. The purpose of using these adhesives is to bond
the skins together. So far, so good.
Second, most of the cements and adhesives used by the manufacturers are soluble
in drycleaning fluid and to a lesser degree in wetcleaning fluid and will
dissolve when the garment is cleaned by the leather cleaning process.
When the glue dissolves in cleaning, it tends to bleed through the skin to the
surface of the skin. This glue bleed is especially evident in lapels, pockets
and collar areas that have double stitching. This leaves stains on the skin
surface that are difficult to remove. In addition, hems, cuffs and inner
facings which were glued will come loose and must be reglued to restore the
garment to its original condition.
The regluing of the garment requires two decisions:
• What type of glue to use to replace the original solvent soluble glue that
dissolved and bled through the skin and stained it.
• How to go about trying to remove the glue bleed stains.
The question of what type of glue to replace the original glue that dissolved
would be answered by the use of a bleed resistant glue like the Royaltone
Perma-Hold glue which will eliminate the problem of glue bleeding through the
skin and staining.
So knowing now the problems associated with soluble glue, let us examine the
alternatives. On the other hand, the hems, cuffs, etc., could be reglued with
the same old soluble glue that dissolved and came loose, bled and stained the
skin in the first place.
This will be your choice if you are determined to be a glutton for punishment
and enjoy working on glue bleed stains and regluing hems, cuffs, etc. whenever
the garment comes back for recleaning as well as having dissolved glue in your
cleaning fluid to redeposit on the other articles you clean.
However, if you wish to end this mindless and costly repetitive process, you
would choose a bleed-resistant glue that will not bleed through and stain the
skin, that will not allow hemlines, cuffs, etc., to come loose every time the
garment is cleaned and that could be loosened in the event the cuffs or hemline
must be shortened any time after they have been glued.
Make it permanent
The desirability of a bleed resistant glue for regluing cuffs and hems and for
repairing rips and tears in suede and leather is based on the following
considerations:
1. A permanent glue that will not dissolve and come loose in the cleaning process
thereby eliminating the expense and trouble of regluing cuffs and hems or
replacing patches every time the article is cleaned.
2. A permanently glued hem that can be safely loosened by following the procedures
recommended by the manufacturer of the glue if the hem has to be shortened or
lengthened.
3. A permanent glue that will not bleed through and stain the skin.
4. A permanent glue that does not contain solvents that are toxic or flammable.
5. A permanent glue that does not dissolve in the cleaning fluid and contaminate
the cleaning system with unwanted non-volatile residues that redeposit on other
items being cleaned and that clogs filters and raises filter pressure.
To further substantiate the position in favor of the use of a permanent bleed
resistant glue, let’s examine the characteristics of soluble glues that tend to make their use far
less desirable and more costly and dangerous. Keep in mind that the problems
associated with a soluble glue are eliminated by the use of a permanent bleed
resistant glue or adhesive.
Avoid regluing
First of all, with soluble glues, hems and cuffs come loose and must be reglued
every time the garment is cleaned. This represents a significant and
unnecessary cost to the leather cleaner for labor and materials needed to
repeatedly reglue hems and cuffs every time the garment is cleaned.
This is especially true when linings are sewn to the skin. This unnecessary cost
of regluing by far exceeds the cost of a bleed resistant permanent glue.
For example, by using a permanent glue you can save thousands of dollars in
labor and glue used to reglue hems and cuffs every time a garment is cleaned.
Use the permanent glue once and pocket the savings in glue and labor after the
first gluing.
Bleed-through danger
Second, soluble glue tends to bleed through the skin during cleaning and drying
or during regluing if applied too heavily.
This leaves dark stains that are difficult or impossible to remove. The bleed
resistant permanent glue would not dissolve or stain the skin or require spot
removal and rerun procedures which are costly in labor, utilities, chemicals
and machine operating costs — especially in high-volume leather cleaning operations.
Health hazards
Third, soluble glues by their nature contain solvents which may be hazardous to
the health of the operator doing the gluing.
If inhaled, ingested and, in some cases, possibly absorbed through the skin,
these soluble glues and adhesives may be injurious to the health of the person
doing the regluing.
This can result in workers’ compensation claims and problems with OSHA and other governmental regulatory
agencies.
A fire danger
Fourth, some soluble glues and adhesives contain solvents that may be highly
flammable as well as toxic.
These soluble glues pose a fire hazard to both the the operator and the cleaning
plant. Their use will result in higher fire insurance rates and present an ever
present danger of fire, explosion and possible loss of plant, equipment, income
and even life itself.
A build-up problem
Fifth, soluble glues, by their nature, dissolve when immersed in cleaning fluid
and become part of the non-volatile residue in the cleaning system. A build-up
of dissolved glue can be even worse. Think of the effect of this dissolved blue
as it builds up on paper cartridge filters or on filter powders. It clogs them,
causing pressure and shorter filter life.
Think of the effect of all this dissolved glue as it redeposits on the surface
of suedes, naked leather and on the cloth portions of leather and on fur items.
Again, costly and undesirable!
Repairs advantage
Sixth, patches are glued to the underside of suede and leather to mend rips,
tears, cuts and also to glue tops on buttons. These patches on the underside of
suedes will fall off when cleaned if they were glued with a soluble glue.
Sometimes manufacturers will patch skins they use in this way. The patch will
fall off when the garment is cleaned. If reglued with soluble glue, the patch
will fall off and perhaps be lost every time the garment is cleaned.
In many cases, it will be loose somewhere inside a sewn-in lining and will have
to be located. Then the lining will have to be cut open, the patch reglued and
the lining resewn. Wouldn't a permanent glue be great to use so the patch would
never again come loose in cleaning?
The bottom line
The bottom line then when using soluble glues is poorer quality work, glue
bleed, fire danger, health hazard, PLUS higher costs for reruns, finishing,
more frequent filter cartridge changes and for more frequent distillation of
the cleaning fluid.
Now that you have the facts, it shouldn’t be difficult to decide which glue to use. It boils down to a choice between
the safer, simpler, less costly bleed-resistant permanent glue or the more
hazardous, more troublesome, more costly soluble glue. The choice is clear. The
stakes are high. You choose. We all have to live with the consequences of our
choices.
Your local supply distributor or product manufacturer can provide you with
technical data sheets and material safety data sheets on the glue or adhesive
they sell. These will provide the information on proper use of the products and
its hazardous ingredients and dangers.
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