All information contained here is given in good faith based
on data, information and documents currently available to
Asahi Kasei Chemicals Corporation. It is provided without warranty,
express or implied, as to its completeness or accuracy, and
is subject to change without notice. It is the responsibility
of the user to make their own determination as to the suitability
of Xyron for the intended conditions of use and product design.
For the most current information, call Asahi Kasei Chemicals Corporation
at +81-3-3296-3386, or by facsimile at +81-3-3296-3473.
Important Precautions and Notes on Handling
and Use
Always observe the following general precautions in the handling
and use of Xyron, and consult the material safety data sheet,
which will be made available upon request, before handling
and use. Prior to mixing or using any additive or other substance
with Xyron, investigate and determine its safety and suitability
for that purpose.
Health and safety
Avoid exposure of skin, eyes, and respiratory tract to gas
generated during melting and drying. Avoid contact exposure
to hot or molten resin. Employ local ventilation and protective
gear, including chemical goggles or safety glasses, and protective
gloves, throughout drying and melting operations. In case
of emergency, call one of the following:
US: +1-800-424-9300 (Chemtrec)
EU: +32-(0)-1458-4545 (BIG v.z.w.)
Japan: +81-44-271-2561 (Asahi Kasei Chemicals)
Combustibility
Xyron is combustible and must be kept strictly away from heat,
sparks, and flame during handing and storage. Xyron may emit
toxic gases during combustion. Extinguish with water, or with
foam or powder chemical extinguisher.
Disposal
Dispose of Xyron by landfill burial or by incineration in
a properly equipped facility, in accordance with relevant
laws and regulations. Xyron may emit carbon monoxide and other
toxic gasses during incineration.
Storing
Keep Xyron strictly away from direct sunlight, water, high
humidity, and moisture.
Proscribed Applications
- Do not use Xyron for food packaging applications.
- Do not use Xyron for medical devices designed or intended
for intracorporeal implantation or contact, whether direct
or indirect, with bodily fluids.
For specifics, refer to our division. Asahi Kasei Chemicals Corporation
encourages its customers to review their applications of its
products from the standpoint of human health and environmental
quality. To help ensure that Asahi Kasei Chemicals Corporation products
are not used in ways for which they are not intended or tested,
Asahi Kasei Chemicals Corporation representatives are willing to assist
in dealing with ecological and product safety considerations.
Compliance with Relevant Standards
Xyron grades are available which comply with Japan’s
“voluntary industrial guidelines on polyolefin and other
synthetic resins for use as food container or food wrapping
materials,” with Notification No.370 of the Ministry
of Health and Welfare of Japan, and with UL and CSA standards.
In all cases, it is nevertheless recommended that the safety
of Xyron for a specific application be confirmed by the user
through appropriate testing. For further information, please
contact Asahi Kasei Chemicals Corporation.
Other
Asahi Kasei Chemicals Corporation warrants only that the use or sale
of any material described herein offered for sale by Asahi
Kasei Chemicals Corporation does not infringe any patent covering the
material itself, but does not warrant against infringement
by reason of the use thereof in combination with other materials
or in any process.
Molding
Pre-drying
Modified PPE has the lowest moisture absorption of any engineering
plastic and displays excellent hydrolysis resistance. To help
ensure against surface appearance faults such as silver streaks,
it is nonetheless good practice to pre-dry the material. For
applications where surface appearance is critical, always
be sure to pre-dry the material. When using a PPE/PA grade,
pre-drying is especially important due to the high moisture
absorption properties of PA.
Pre-drying should be done at the proper temperature range
specified for each grade. A closed loop dehumidifying/drying
hopper system is the most efficient equipment for pre-drying
Xyron. When using hot-air circulating ovens, Xyron pellets
will be efficiently pre-dried when spread out in trays at
a uniform depth of 20 to 30 mm.
Take care to ensure that Xyron is not pre-dried for longer
than 8 hours. Excessive pre-drying may result in degradation
of physical properties and color changes.
Regrind
Properly molded Xyron (sprues, runners, molded articles, etc.)
may be reground, dried, and remolded without adverse effects.
It is essential that material to be reground be free from
oil, grease, dirt, and foreign substances, and shows no signs
of degradation. Regrind levels up to 20% can be used successfully,
but it is not advisable to use reground material for applications
where surface appearances are critical.
Purging
High viscosity GPPS and Asaclean SA™ (available from
Asahi Kasei Chemicals Corporation and distributors) are recommended
purging materials for all Xyron grades. Purging should be
performed at temperature ranges appropriate for each grade.
Downtime
In order to prevent polymer degradation when molding operation
is stopped or interrupted, the following measures are recommended.
- Up to 30 minutes:
Maintain cylinder temperature. Purge barrel using same material
prior to the re-start of molding operation.
- From 30 minutes to 12 hours:
Decrease cylinder temperature to 200-220°C. Purge
barrel using high viscosity GPPS. Upon commencement of molding
operation, Purge barrel using material for molding after
increasing cylinder temperature to the required level.
- For downtime longer than 12 hours:
Purge barrel with high viscosity GPPS, and shut down machine.
Mold release
Generally, mold release agents are not required for molding
Xyron resins. In cases where mold release agents are needed
due to the complex shape of the mold, minimal use is recommended.
Silicone-based mold release agents such as Pelicoat B™
(manufactured and sold by Chyuko-Kasei, Co., Ltd., Japan)
are recommended, as the chemical ingredients do not react
with Xyron.
DISCLAIMER OF WARRANTY AND LIABILITY
NOTICE:
Although the information and recommendations set forth herein
are presented in good faith and believed to be correct, Asahi
Kasei Chemicals Corporation expressly disclaims any and all representations
and warranties as to the completeness and accuracy thereof.
Information is supplied upon the EXPRESS CONDITION THAT THE
PERSONS RECEIVING SAME WILL MAKE THEIR OWN DETERMINATION AS
TO ITS SUITABILITY FOR THEIR PURPOSES PRIOR TO USE.
Asahi Kasei Chemicals Corporation warrants only that this product will
perform according to the technical specifications provided
in the MSDS and other materials provided by it. NO
OTHER REPRESENTATIONS OR WARRANTIES, EXPRESSED OR IMPLIED,
WHETHER ORAL OR ARISING BY USAGE OF TRADE OR COURSE OF DEALING,
INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OF FITNESS OR
MERCHANTABILITY, shall be given any legal effect
by this product or these materials.
This product has not been designed, tested, or intended for
any use other than that for which it has been contracted for
sale. This product is not warranted against injuries
or damages of any kind caused by uses for which this product
was not designed, tested, or intended.
Nothing contained herein is to be construed as a recommendation
to use any product process, equipment or formulation in conflict
with any patent, and Asahi Kasei Chemicals Corporation makes no representation
or warranty, express or implied, that the use thereof will
not infringe any patent.
IN NO EVENT SHALL ASAHI KASEI CHEMICALS CORPORATION BE LIABLE
FOR ANY ANTICIPATED OR LOST PROFITS INCIDENTAL DAMAGES, CONSEQUENTIAL
DAMAGES, COSTS TIME CHARGES OR OTHER LOSSES WHETHER BASED
ON BREACH OF CONTRACT TORTIOUS CONDUCT, OR ANY OTHER THEORY,
INCURRED IN CONNECTION WITH THE PURCHASE OR USE OF THIS PRODUCT.
ASAHI KASEI CHEMICALS CORPORATION DOES NOT AUTHORIZE ANYONE TO ASSUME
FOR IT ANY LIABILITY OR TO MAKE ON ITS BEHALF ANY ADDITIONAL
WARRANTIES IN CONNECTION WITH THESE MATERIALS.
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