com

Linda Byam
Duo-Gard Industries Inc.

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NcendX P-30 flame retardant improves resin melt flow and exhibits
outstanding thermal stability, excellent hydrolytic stability, low migration
and low volatility.

Cabot Nanogel(R) Aerogel Now Available in Duo-Gard Industries' New Multi-Wall Polycarbonate Daylighting Systems

2529 ext.

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* Low solids restrict conduction -- The particles are more than 97% air so
there is little conduction.6254
ethel_shepard@cabot-corp.

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com.

For more information:
Albemarle Corporation, Mr."
Nanogel aerogel is the world 's lightest, light transmitting and insulating
solid material.
Duo-Gard Industries Inc.

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Nanogel aerogels are translucent and can transmit up to 78% of
natural daylight. Duo-Gard
manufactures and markets two primary product lines: custom design/build
translucent daylighting systems for exterior walls, interior walls, other
vertical glazings and canopies, plus modular site shelters, including smoking
shelters, transit shelters, walkways and special enclosures to suit any site.com.cabot-corp .

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Albemarle makes and markets flame retardant solutions for materials found
in everything from circuit boards, connectors and enclosures for electronic
and electrical devices, to comfort foam in furniture and automobiles, wire +
cable, rigid foam insulation, roofing and other construction materials. The aerogel material's superior insulation performance (R-
8/inch) is due to several key attributes:
* Nano-pores stop convection -- The surface of one 3mm Nanogel aerogel
particle contains 10 billion holes, 1,000 trillion pores and enough
nano-strands linked end-to-end to make one twin-size (50"x70") bed
sheet.
Duo-Gard daylighting systems in combination with Nanogel aerogel bring a
wide range of benefits to architectural applications, including:
* Improved thermal and acoustic insulation of the building structure
* Energy-efficiency and security with a thickness of 8mm to 40mm to cover
a wide range of structural requirements
* Sound dampening qualities to create quieter indoor environments
* Superior architectural detail when viewed from the exterior or interior
* Transmission of diffused light to building interiors, eliminating glare
and shadows, while increasing comfort and productivity for occupants . It provides a superior
combination of thermal and sound insulation, as well as light transmission and
diffusion over other insulation materials.

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The Nanogel aerogel material also has other permanent performance
features.

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com/cgi-bin/prnh/20000323/CABOTLOGO )
Duo-Gard's custom design /build daylighting systems, marketed for
commercial, industrial and educational facilities, as well as unique
residential applications, integrate the industry's widest range of multi-wall
polycarbonate glazings in engineered structural framings. "Nanogel
material has special appeal to both architects and interior designers because
it illuminates a unique quality of soft, warm light and has superior
insulation and sound absorption properties," said James Satterwhite, global
business manager for Cabot Nanogel Construction segment.
800.

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These benefits can offer new
design solutions for architects where both maximum natural daylight levels and
energy efficiency are required. The website address is: http://www.byam@duo-gard.

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This new collaboration expands daylighting
design options to architects, designers and contractors. The systems create
diffused daylight, balancing natural light transmission and energy efficiency,
as they minimize glare and heat gain for vertical walls in exterior and
interior applications. The nanoporous particles have an air content of 97 %, making
Nanogel the lightest solid material in the world.
212.

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(Logo: http: //www. The Company operates in three
business segments-Polymer Chemicals, Catalysts and Fine Chemicals , and serves
customers in approximately 100 countries. Learn more about Albemarle's flame
retardants at http://www. 22
jsimmons@adam-friedman.

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Albemarle Corporation, headquartered in Richmond, Virginia, is a leading
global developer, manufacturer and marketer of highly engineered specialty
chemicals for consumer electronics; petroleum and petrochemical processing;
transportation and industrial products; pharmaceuticals; agricultural
products; construction and packaging materials .

NcendX is a registered trademark of Albemarle Corporation. BOSTON, Cabot Corporation (NYSE: CBT)
announced today that Cabot Nanogel(R) aerogel material is now available in
multi-wall polycarbonate vertical glazing systems developed by Duo-Gard
Industries Inc.
"By offering the Nanogel option, we continue our tradition of innovation with
high-performance polycarbonate technology ., located in Canton, Michigan, is a leading
innovator in advanced translucent polycarbonate technologies .

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, Albemarle Corporation
(NYSE: ALB), the world's leading manufacturer of flame retardants, will
increase the global prices for its NcendX P-30 bisphenol A diphosphate-type
flame retardant by five (5) percent effective April 1, 2006, or as contracts
allow.com/cgi-bin/prnh/20050801/ALBEMARLELOGO )
NcendX P-30 liquid phosphorus flame retardant is an outstanding performer
in resin blends used in electronic enclosure plastics such as PC/ABS and
PPE/HIPS.
(Logo: http://www.

About Cabot Corporation
Cabot Corporation is a global specialty chemicals and materials company
headquartered in Boston, Massachusetts, USA.

Contact: Ethel Shepard
Cabot Corp.com

Jane Simmons
Adam Friedman Assoc.

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Since its introduction two years ago, Nanogel aerogel has been gaining
acceptance worldwide and now has been installed in a variety of daylighting
projects in over 35 states in the US and 5 countries in Europe.

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newscom.

About Nanogel(R)
Cabot Corporation created Nanogel(R) translucent aerogel to insulate
thermally inefficient glazing systems. Cabot's major products are
carbon black, fumed silica, inkjet colorants, capacitor materials, and cesium
formate drilling fluids.
617.342.981.

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"Architects and designers today are increasingly aware of the benefits of
translucent daylighting, and they're looking for options that enable them to
make the most of those benefits," said David Miller, president of Duo-Gard. The feather-light aerogel is based on
Cabot's patented surface modification and fine-particle manufacturing
technology.

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BATON ROUGE, La. The material repels water and will not promote condensation,
or growth of mold and mildew , and it will not change color over time. Nanogel(R) translucent aerogel material is
manufactured exclusively by Cabot in Frankfurt, Germany.4404
linda.com

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, a leading innovator in advanced translucent daylighting
systems and modular site shelters.
The website address is: http://www.

stabilisation attwater

For a discussion of such risks and
uncertainties, which could cause actual results to differ from those contained
in the forward-looking statements, see "Risk Factors" in the Company 's Annual
Report on Form 10-K.

revolutionizing thermofloc

albemarle. Rene Milligan, Corporate Communications,
+1 225 388 7106 or rene_milligan@albemarle. The high-performance polycarbonates are easily cold-
formed and weigh only one-sixth as much as glass, yet provide 200 times the
impact strength, enabling architects to work with wider spans, lighter
supports and unparalleled design flexibility in thickness, texture , color and
framing.

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Albemarle to Increase Prices of NcendX(R) Flame Retardant

com

"Safe Harbor" Statement under the Private Securities Litigation Reform Act
of 1995: Statements in this press release regarding Albemarle Corporation's
business which are not historical facts are "forward -looking statements" that
involve risks and uncertainties.

About Duo-Gard Industries Inc .872.

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