JOURNAL TRANSCRIPT

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Defoaming Surfactants

TERGITOL™ L Series Biodegradable Surfactants TERGITOL™ L-61 E, L-62 E, L-64 E, L-81 E

®™

Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow.

These surfactants have high flash

A Full Line of Nonionic Options TERGITOL L Series surfactants

points, and their low flammability

Dow Achieves Multi-Property Control

makes them safe to handle and

Dow has unlocked the synergy

are inert and stable. They do not

between its global surfactants and

hydrolyze or become rancid in

polyglycols businesses to further

storage and they are pH stable

explore EO and PO chemistry. We

and non-corrosive. Solubilities in

have incorporated EO and PO into

common solvents are displayed in

the same molecule to produce

the solubility table on page 3.

™

capitalize on Dow’s extensive expertise in ethylene oxide (EO) and propylene oxide (PO) chemistry.

TERGITOL™ L Series Surfactants

We have expanded our line of nonionic surfactants with the TERGITOL™ L Series surfactants, which have numerous applications in defoaming, wetting, and emulsifying.

Compliance with European Detergent Regulation…

TERGITOL™ L Series surfactants. These products take advantage of our ability to adjust the oxide ratio and oxide amount to control the

store. TERGITOL™ L Series surfactants

The Line of TERGITOL™ L Series Surfactants Includes… TERGITOL™ L-61 E

chemical and physical properties of the final product.

TERGITOL™ L-61 E surfactant is an efficient foam control agent because

TERGITOL™ L surfactants pass OECD

This enables us to deliver a range

of its low foam characteristics and

301 ready biodegradability

of products providing the right

inverse water solubility. Low surface

screening tests and comply with the

features and benefits for specific

tension makes TERGITOL™ L-61 E a

biodegradability criteria as laid

applications.

particularly efficient rinse aid

down in Regulation (EC) No

and low foam wetting agent in

648/2004 of the European

Dow’s unique raw materials

autodish detergents, industrial and

Parliament and of the Council of

position (we are a back-integrated

institutional cleaning, and in clean-

31 March 2004 on detergents. The

global manufacturer of both EO and

in-place (CIP) applications such as

ultimate biodegradability of these

PO) helps ensure you of consistent

food, dairy, and brewery cleaning.

products, coupled with their low

product quality and a secure supply

acute environmental and mammalian

of TERGITOL™ L Series products.

toxicity, means that they carry no

TERGITOL™ L-62 E

TERGITOL™ L-62 E surfactant

Flexible Properties for Defoaming, Wetting, and Emulsifying

provides both foam control and

in formulations which will be

TERGITOL L Series surfactants are

foam characteristics and inverse

impacted by the European

high performance products that

water solubility.TERGITOL™ L-62 E

Detergent Regulation.

feature excellent solvency, low

is used in rinse aid applications,

foam characteristics, and chemical

autodish detergents, industrial

stability. Other valuable performance

and institutional cleaning.

European hazard classification. Consequently, they are ideal for replacing non-compliant surfactants

™

detergency. It is an efficient foam control agent because of its low

properties include good thermal stability, broad compatibility with additives, and miscibility in various organic liquids. TERGITOL™ L Series products are liquid at room temperature and have little to no odor.

2

™ Trademark

of The Dow Chemical Company (“Dow”) or an affiliated company of Dow.

Typical Properties 1 Product

Molecular Weight

Pour Point °C

Cloud Point 1% aq (°C)

Surface Tension2 (dynes/cm)

Ross-Miles Foam Height,3 initial (mm)/final (mm)

TERGITOL™ L-61 E

1900

10%

Insoluble

Ethanol

>10%

>10%

>10%

>10%

Isopropanol

>10%

>10%

>10%

>10%

Ethylene Glycol

Insoluble

Insoluble

Insoluble

Insoluble

Propylene Glycol

10%

>10%

Insoluble

Toluene

>10%

>10%

>10%

>10%

Kerosene