Product Information
CALIBRE 300 series
General Purpose Resins
These CALIBRE* polycarbonate or both. CALIBRE 300: No mould Applications
resins offer exceptional impact re- release, no UV stabilisation. CALIBRE • Appliances
sistance, heat distortion resistance 301: Only mould release. CALIBRE • Storage media housings
and optical clarity. The CALIBRE 300 302: Only UV stabilisation. CALIBRE • Extruded sheet
series can be supplied with a mould 303: Mould release and UV stabili- • Electrical components
release package, UV stabiliser, sation. • Lighting
Properties Test method Value Value Value
Products, Units 300-4 300-8 300-15
300-6 300-10
Physical
Melt Flow Rate (300°C, 1.2 kg), g/10 min. ISO 1133 4–6 8–10 15
Density, kg/m3 ISO 1183 1200 1200 1200
Mould Shrinkage, % ASTM D-955 0.5–0.7 0.5–0.7 0.5–0.7
Optical
Light Transmittance, % ASTM D1003 87–91 87–91 87–91
Thermal
HDT 0.45 MPa, annealed, °C ISO 75 146 144 143
HDT 1.82 MPa, annealed, °C ISO 75 143 141 140
HDT 1.82 MPa, unannealed, °C ISO 75 126 125 124
Vicat Softening Point (B/50), °C ISO 306B 151 149 148
Mechanical
Tensile Strength at Yield, MPa ISO 527 60 60 60
Tensile Strength at Rupture, MPa ISO 527 72 71 71
Elongation at Yield, % ISO 527 6 6 6
Elongation at Rupture, % ISO 527 150 150 150
Tensile Modulus, MPa ISO 527 2300 2300 2300
Flexural Strength, MPa ISO 178 97 97 97
Flexural Modulus, MPa ISO 178 2400 2400 2400
Izod Notched (23°C), J/m ISO 180 950 900 850
Izod Unnotched (23°C), J/m ISO 180 no break no break no break
Charpy Notched (23°C), kJ/m 2 ISO 179 55 35 25
Flammability Rating (1)
1.6 mm UL-94 HB HB HB
3.2 mm UL-94 HB HB HB
Electrical
GWT 2.0 mm, 5 sec., °C IEC 695-2-1 850 850 850
Ball Indentation Temperature, °C IEC 598-1(2) > 125 > 125 > 125
Comp. Tracking Index (2.0 mm), V IEC 112 250 250 250
(1) These numerical flame spread ratings are small scale test values and are not intended to reflect hazards presented by these or
any other materials under actual fire conditions.
(2) Ball Indentation Temperature is described in IEC 598-1.
* Trademark of The Dow Chemical Company See “Safety and Handling Considerations” and “Medical Application Policy”
Dow Plastics is a business group of The Dow Chemical Company and its subsidiaries. CH 262-034-E-501
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Safety and Handling Considerations
Material Safety Data (MSD) sheets for CALIBRE for most conditions. Local exhaust ventilation may Environment
polycarbonate resins are available from Dow Plastics, be necessary for some operations. Generally speaking, in the environment lost pellets
a business group of The Dow Chemical Company Use safety glasses. If there is a potential for ex- are not a problem except under unusual circum-
and its subsidiaries. MSD sheets are provided to posure to particles which could cause mechanical stances – when they enter the marine environment.
help customers satisfy their own handling, safety injury to the eye, wear chemical goggles. If vapour They are inert and benign in terms of their physical
and disposal needs, and those that may be required exposure causes eye discomfort, use a full-face environmental impact, but if ingested by waterfowl
by locally applicable health and safety regulations respirator. No other precautions other than clean or aquatic life, they may mechanically cause ad-
such as OSHA (USA), MAK (Germany) or WHMIS body-covering clothing should be needed for verse effects. Spills should be minimised and they
(Canada). MSD sheets are upgraded regularly, handling CALIBRE polycarbonate resins. Use gloves should be cleaned up when they happen. Plastics
therefore, please request and review the most with insulation for thermal protection, when needed. should not be discarded into the ocean or any other
current MSD sheet before handling or using any body of water.
product. Combustibility
The following comments are general and apply CALIBRE polycarbonate resins will burn, and once Product Stewardship
only to CALIBRE polycarbonate resins as supplied. ignited, may burn rapidly under the right conditions
of heat and oxygen supply. Do not permit dust The Dow Chemical Company has a fundamental
Various additives and processing aids used in
to accumulate. Dust layers can be ignited by spon- concern for all who make, distribute and use its
fabrication and other materials used in finishing
taneous combustion or other ignition sources. products, and for the environment in which we live.
steps have their own safe use profile and must
When suspended in air, dust can pose an explosion This concern is the basis of our Product Steward-
be investigated separately.
hazard. Dense black smoke is produced when prod- ship philosophy by which we assess the health and
uct burns. Toxic fumes are released in fire situations. environmental information on our products and
Hazards and Handling Precautions then take appropriate steps to protect employee
Fire fighters should wear positive-pressure, self-
CALIBRE polycarbonate resins have a very low contained breathing apparatus and full protective and public health and the environment. Our Product
degree of toxicity and under normal conditions of equipment. Water or water fog are the preferred Stewardship programme rests with every individual
use should pose no unusual problems from in- extinguishing media. Foam, alcohol resistant foam, involved with Dow products from the initial concept
gestion, eye or skin contact. However, caution is carbon dioxide, or dry chemicals may also be used. and research to the manufacture, sale, distribution,
advised when handling, storing, using or disposing Soak thoroughly with water to cool and prevent and disposal of each product.
of these resins and good housekeeping and re-ignition.
controlling of dusts are necessary for safe handling Customer Notice
of product. Workers should be protected from Disposal Dow encourages its customers and potential users
the possibility of contact with molten resin during DO NOT DUMP INTO ANY SEWERS, ON THE of Dow products to review their applications for
fabrication. GROUND, OR INTO ANY BODY OF WATER. For such products from the standpoint of human health
Handling and fabrication of plastic resins can result unused or uncontaminated material, the preferred and environmental quality. To help ensure that Dow
in the generation of vapours and dusts. Dusts options include sending to a licensed recycler, products are not used in ways for which they are
resulting from sawing, filing and sanding of plastic reclaimer, incinerator or other thermal destruction not intended or tested, Dow personnel will assist
parts in post-moulding operations may cause irri- device. For used or contaminated material, the dis- customers in dealing with ecological and product
tation to eyes and upper respiratory tract. In dusty posal options remain the same, although additional safety considerations. Your Dow sales representa-
atmospheres, use an approved dust respirator. evaluation is required (see, for example, in the USA tive can arrange the proper contacts. Dow literature,
Granules or beads may present a slipping hazard. 40 CFR, Part 261, “Identification and Listing of including Material Safety Data sheets, should be
Good general ventilation of the polymer processing Hazardous Waste”). All disposal methods must be consulted prior to the use of Dow products. These
area is recommended. Processing may release fumes in compliance with Federal, State/Provincial and are available from the nearest Dow sales office.
which may include polymer fragments and other local laws and regulations. For further information contact the Dow Information
decomposition products. Fumes can be irritating. As a service to its customers, Dow can provide lists Centre Amsterdam, The Netherlands: please call
At temperatures exceeding melt temperature, poly- of companies which recycle, reprocess, or manage +31 20 691 6268 or fax +31 20 691 6418.
mer fragments can occur. Processing improperly chemicals or plastics, and companies that manage
dried resin can result in the production of bisphenol used drums. Contact the nearest Dow sales office
A. Good general ventilation should be sufficient for further details.
Medical Application Policy
Dow will not knowingly sell or sample any products d. Use specifically by pregnant women or in appli- and technically suitable for the intended use. DOW
into any commercial or developmental application cations designed specifically to promote or inter- MAKES NO WARRANTIES, EXPRESS OR IMPLIED,
which is intended for: fere with human reproduction. CONCERNING THE SUITABILITY OF ANY DOW
PRODUCT FOR USE IN MEDICAL APPLICATIONS.
a. Long term contact with internal body fluids or In addition, for Dow Engineering Plastics products,
internal body tissues. [Long term is a use which new business opportunities require a business This policy applies to all Engineering Plastics
exceeds 72 continuous hours (except 30 days assessment prior to sale or sampling Dow products. products including the following resins:
for PELLETHANE* polyurethane elastomers)]; CALIBRE* Polycarbonate, CALIBRE MEGARAD*
b. Use in cardiac prosthetic devices regardless of Authorised distributors and resellers will adhere to Polycarbonate, ISOPLAST* Engineering
the length of time involved (cardiac prosthetic the Engineering Plastics Business medical policy. Thermoplastic Polyurethane, MAGNUM* ABS,
devices include, but are not limited to, pace- PELLETHANE* Thermoplastic Polyurethane
maker leads and devices, artificial hearts, heart The Engineering Plastics business does not endorse Elastomer, PREVAIL* Thermoplastic resin,
valves, intra-aortic balloons and control systems or claim suitability of their products for specific PULSE* Engineering resin, QUESTRA* Crystal-
and ventricular bypass assisted devices); medical applications. It is the responsibility of the line Polymer, TYRIL* SAN and VYDYNE** Nylon
c. Use as a critical component in medical devices medical device or pharmaceutical manufacturer resin.
that support or sustain human life; or to determine that the Dow product is safe, lawful
Notice: The information and data contained herein do not constitute sales specifications. The product properties may be changed without no-
tice. No liability, warranty or guarantee of product performance is created by this document. It is the Buyer's responsibility to determine whether
Dow products are appropriate for Buyer's use and to ensure that Buyer’s workplace and disposal practices are in compliance with applicable
laws and regulations. No freedom from any patents or other industrial or intellectual property rights is granted or to be inferred (May 2001).
We don’t succeed unless you do.
Printed in Switzerland * Trademark of The Dow Chemical Company CH 262-034-E-501
** Registered trademark of Solutia Inc. used by The Dow Chemical Company under license Studer AG
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