1. Processing Notes of Dry Melt adhesive EVA Interlayer Film
EVA interlayer film is the main row material for producing safety laminated glass, however, the
quality of the Dry Melt adhesive EVA Interlayer Film is not the only factor for producing standard
safety laminated glass, there are many other factors in close relations with the successful
production, such as equipment(laminating stove), producing technique, glass and auxiliary
materials, environment and weather condition, worker's operation skill and responsibility.
Therefore, in order to produce strengthened glass and safety laminated glass, operator needs to
analyse comprehensive factors and master comprehensive producing skill.
The following operation instruction is concerning the actual application of Dry Melt adhesive
EVA Interlayer Film for safety laminated glass:
Processing Notes of Dry Melt adhesive EVA Interlayer Film 2-1 Film（2-1
2-1）
1)
Because of the particularity and irresistibility during Dry Melt adhesive EVA Interlayer Film
production, consumers are suggested to test a small glass (bigger than 0.5 ㎡ ） to confirm the
quality and color of Dry Melt adhesive EVA Interlayer Film before using a batch of Dry Melt
adhesive EVA Interlayer Films. {All rights reserved by China Ethylene-vinyl acetate EVA
Interlayer Film Manufacturer for Safety Architectural Laminated Glass, Smart Glass, Privacy
Glass, LED Glass etc.(cnc@cncnext.com / www.cncnext.com / benext77@gmail.com /
benext77@hotmail.com) (eva@evafilms.com / www.evafilms.com ) }Only the quality and color
of Dry Melt adhesive EVA Interlayer Film is confirmed can the mass production of laminated
glass proceeds, otherwise the massive finished products will be scraped due to its inconformity
with the sample. If a large quantity of Dry Melt adhesive EVA Interlayer Films of the same kind,
especially colored Dry Melt adhesive EVA Interlayer Films, are used in a batch of laminated glass,
the finished laminated glass should be frequently compared and examined during the production,
so as to identify the error in quality, especially in color, and prevent mass scrapping and loss.
2)
In raining days or with workshop humidity over 65%, the Dry Melt adhesive EVA Interlayer Film,
spun silk, advertisement materials and glass will be affected by moisture that will severely
influence the adhesion of Dry Melt adhesive EVA Interlayer Film, so before producing laminated
glass, do remember to double-check the pre-laminated glass which has been cleaned and wiped
before, and make sure there's no any water stain and vapour on the glass(use dryer if possible).
Besides, the laminating materials should also be dried, otherwise the finished laminated
(strengthened) glass will have problem of bubble or de-lamination. Therefore, customers are
advised not to produce the laminated glass in raining days with heavy moisture.
3)
It is inevitable that the Dry Melt adhesive EVA Interlayer Films may get slight contamination
during the production or use, for instance, some tiny foreign substance on the surface of the Dry
Melt adhesive EVA Interlayer Film. So we suggest customers install a daylight lamp under the
table so as to check clearly whether there is foreign substance, stain or other prints on the surface
of the Dry Melt adhesive EVA Interlayer Film. If some foreign substance or black stain is found

2. on the Dry Melt adhesive EVA Interlayer Film, it should be picked out with knifepoint. {Want to
learn more, please contact:=China Ethylene-vinyl acetate EVA Interlayer Film Manufacturer for
Safety Architectural Laminated Glass.=China Dry Melt adhesive EVA Interlayer Film for Smart
Glass, Privacy Glass, LED Glass etc.=China Solar Dry Melt adhesive EVA Interlayer Film for
Solar Panel Encapsulation. =China Switchable Film for Privacy Glass, Smart Glass.=
cnc@cncnext.com / www.cncnext.com / benext77@gmail.com / benext77@hotmail.com /
eva@evafilms.com / www.evafilms.com } If the hole on the clear Dry Melt adhesive EVA
Interlayer Film is smaller than half rice grain, the Dry Melt adhesive EVA Interlayer Film will still
be used without problem. But if a lot of foreign substance or black stains are found on the surface
of the Dry Melt adhesive EVA Interlayer Film, customers should stop using the film and inform
our company immediately to handle the problem. Blind production will surely bring about
unnecessary waste to both the seller and the buyer.
4)
It is important to check clearly the surface of the intermediate materials used in producing art glass
or strengthened glass, such as non-woven cotton, chartaceous or plastic printing-work, natural
fibric, etc, because the surface of some intermediate materials may have been coated or printed
before, which may result in adverse chemical reaction with Dry Melt adhesive EVA Interlayer
Film and consequently degrade the adhesion capacity of Dry Melt adhesive EVA Interlayer Film.
That means not all the materials are suitable for lamination, and it's very necessary to test Dry
Melt adhesive EVA Interlayer Film quality and effective time before use. Don't go to mass
production blindly. Meanwhile, it is suggested that those materials should get dried before put into
use so as to remove the moisture within them. It has been proved that the laminated glass
produced with moisture intermediate materials will probably get bubble or de-lamination after
being stored for a period of time.
Processing Notes of Dry Melt adhesive EVA Interlayer Film 2-2
Film（2-2
2-2）
5)
The laminated glass is processed and produced under the simultaneous work of high temperature
and pressure, so under certain temperature, the solid Dry Melt adhesive EVA Interlayer Film will
turn to fused substance and may easily outflow the edge of the glass under pressure. Because the
edge is under the biggest pressure, the liquid film outflows the glass most easily and thus will be
thinner than inside. After the Dry Melt adhesive EVA Interlayer Film get cooling and contractive,
it's probable that there is some bubble or de-lamination around the glass. Considering this, we
suggest customers use some material to block the glass when laminating the glass, and the
material used to block the outflow of Dry Melt adhesive EVA Interlayer Film should be higher
than the glass thickness. In this way, {Want to learn more, please contact:=China Ethylene-vinyl
acetate EVA Interlayer Film Manufacturer for Safety Architectural Laminated Glass.=China Dry
Melt adhesive EVA Interlayer Film for Smart Glass, Privacy Glass, LED Glass etc.=China Solar
Dry Melt adhesive EVA Interlayer Film for Solar Panel Encapsulation. =China Switchable Film
for Privacy Glass, Smart Glass.= cnc@cncnext.com / www.cncnext.com / benext77@gmail.com /
benext77@hotmail.com / eva@evafilms.com / www.evafilms.com } it will reduce the high
pressure caused by the vacuum negative pressure on the edge of glass, and thus reduce the outflow
of liquid film.
6)
It is unsuitable to process different kinds of glass or Dry Melt adhesive EVA Interlayer Film in the

3. same stove with the same technique, otherwise it's difficult to guarantee the quality. Normally, the
processing temperature for colored Dry Melt adhesive EVA Interlayer Film is a little higher than
that for normal clear Dry Melt adhesive EVA Interlayer Film; the processing temperature for thick
Dry Melt adhesive EVA Interlayer Film or glass is also a little higher than that for thin Dry Melt
adhesive EVA Interlayer Film or glass; the processing temperature for laminated glass with
interlayer silk is slightly higher than that for laminated glass with EVA interlayer film. If the
temperature is not suitable to be too high suddenly, we can extend the heat preserving time so as to
increase temperature gradually. The appropriate processing period is based on the structure of the
stove and the heating power. Customers may know more abut this after more practice. We suggest
customers contact us for more information if customers are not sure about how to produce new
laminated products or use new Dry Melt adhesive EVA Interlayer Films, in this way, the
unnecessary loss or waste will be reduced.
7)
The cooling time for the finished laminated glass also plays an important roll. Theoretically, the
faster the processed transparent Dry Melt adhesive EVA Interlayer Film cool down, the better its
transparency will be. But if the finished laminated glass encounters a big range of temperature
after coming out of the stove, then it's probable that the laminated glass will get split or bubble
around the glass. Therefore, if the laminated glass is produced in summer with high temperature,
it's suggested to use a big power fan to decrease the temperature; and in winter with low
temperature, {Want to learn more, please contact:=China Ethylene-vinyl acetate EVA Interlayer
Film Manufacturer for Safety Architectural Laminated Glass.=China Dry Melt adhesive EVA
Interlayer Film for Smart Glass, Privacy Glass, LED Glass etc.=China Solar Dry Melt adhesive
EVA Interlayer Film for Solar Panel Encapsulation. =China Switchable Film for Privacy Glass,
Smart Glass.= cnc@cncnext.com / www.cncnext.com / benext77@gmail.com /
benext77@hotmail.com / eva@evafilms.com / www.evafilms.com } there's big difference
between the temperature inside and outside the stove, so it's suggested to extend the natural
cooling time of laminated glass in vacuum condition both inside and outside the stove. It's
appropriate to take out the glass when the temperature declines constantly to about 40℃.
8)
It is inappropriate to polish the edge of the finished laminated glass immediately, otherwise it
will degrade the adhesion capacity and lead to de-lamination of the edge. We suggest customers
polish the edge of the laminated glass after 24 hours when the glass lamination was finished, and
cut off the overflown film before polishing the edge. {Sponsored by Silicone Vacuuming Bag
/Sheet for EVA Glass Laminating Machine / Solar EVA Photovoltaic Panel Encapsulations
China Ucolin Manufacturer uc@ucolin.com / www.ucolin.com
/umewe360@gmail.com/umewe360@hotmail.com} For the guarantee of good adhesion of the
Dry Melt adhesive EVA Interlayer Film and to prevent water seepage and bubble problem, it's also
workable to polish the edge of the glass before lamination. It's suggested to use fine grinding
wheel to polish the edge again and again, but not use coarse grinding wheel which will easily
produce slight glass crack and thus impair the glass edge. As to the crude fibre and other
intermediate materials that can easily absorb water, it's suggested to polish the edge of the glass
before lamination, because the exposing crude fibre will probably absorb moisture during
polishing the edge, and thus will lead to de-lamination later.
All rights reserved by:

4. China Ethylene-vinyl acetate EVA Interlayer Film Manufacturer for Safety Architectural
Laminated Glass.China EVA Film for Smart Glass, Privacy Glass, LED Glass etc.China Solar
EVA Film for Solar Panel Encapsulation.China Switchable Film for Privacy Glass, Smart
Glass.cnc@cncnext.com / www.cncnext.com / benext77@gmail.com / benext77@hotmail.com /
eva@evafilms.com / www.evafilms.com