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Elastollan 695AN TPU


Added: March 05, 2011

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Elastollan® TPU
Technical Data Sheet
Elastollan® 695AN
Polyester-based Grade
Elastollan® 695AN is specifically formulated for extruded profile, sheet and film applications. It exhibits excellent abrasion resistance,
toughness, high transparency, low gel, and low yellowness index. It has excellent damping characteristics and outstanding resistance to tear
propagation. Elastollan® 695AN conforms to the FDA food contact regulations as described in book 21, section 177.2600 and 177.1680 for
both wet and dry food contact applications respectively. Elastollan® 695AN is supplied uncolored in pellet form.
Typical Properties of Elastollan®

ASTM Test Method

Units

Typical Values

All the physical properties reported here are measured on injection molded samples. Properties of sheet
or film samples of this product are also available upon request.
3

Specific Gravity

ASTM D 792

g/cm

1.23

Shore Hardness

ASTM D 2240

Shore A or D

94A

Taber Abrasion

ASTM D 1044

mg loss

25

DIN 53516

mm loss

3

30

E-Modulus

ASTM D 412

psi

5800

Flexural Modulus

ASTM D 790

psi

6400

Tensile Strength

ASTM D 412

psi

5900

Tensile Stress at 100% Elongation

ASTM D 412

psi

2100

Tensile Stress at 300% Elongation

ASTM D 412

psi

4600

Ultimate Elongation

ASTM D 412

%

450

ASTM D 624, Die C

lb/in

850

ASTM D 395 “B”

% of original
deflection

DIN Abrasion

Tear Strength
Compression Set
22h at 70ºC
22h at 23 ºC

40
25

BASF Analytical Method

o

C

-18

Vicat Softening Temperature

ASTM D 1525

o

C

117

DMA Softening Temperature

BASF Analytical Method

o

C

87

Glass Transition temperature*

*Measured with Dynamic Mechanical Analysis (DMA). DMA profile is available upon request.
Above values are shown as typical values and should not be used as specifications.

Elastollan® TPU
Technical Data Sheet
Elastollan® 695AN
Polyester-based Grade
MELT FLOW INDEX (MFI): The following table shows the MFI
information of Elastollan® 695AN. “ASTM D 1238, B” MFI test method is
used for generation of data.
Elastollan® Name

MFI Conditions
o

695A-15N

190 C, 21.6 kg

MFI, g/10min
20-60

DRYING: Elastollan® materials are hydroscopic, i.e. dry Elastollan® will
rapidly absorb moisture when exposed to atmosphere. Polyether-based
Elastollan® grades absorb moisture more rapidly than polyester-based
Elastollan® grades. As with all TPU products, Elastollan® 695AN must be
dried before processing. The drying step is required to maintain a low
moisture content until the product enters the processing equipment. The
water content must be less than 0.03% before and during processing.

PROCESSING RECOMENDATIONS: Single screw extruder with a
compression ratio of 1:2 to 1:3, preferably 1: 2.5, are recommended for
processing Elastollan®. BASF experience shows that three section
screws with an L/D ratio of 25 to 30 are most suitable. Three section
screws should have continued constant pitch of 1D. The radial clearance
between screw and barrel should be 0.1 to 0.2 mm. For processing
Elastollan®, multizone screws, e.g. barrier screws, have also proven
suitable. Short screws with high compression ratio are unsuitable for
Elastollan®. Use of breaker plates and screen packs is recommended.
Depending on the screw diameter and type of die, breaker plates should
have holes of 1.5 to 5 mm in diameter. Since thermoplastic polyurethanes
are shear sensitive, excessively high screw speeds may lead to reduction
in product properties.
Elastollan®
Hardness

Drying
Time

Drying Temperature
Circulating air

Dehumidified Air

78A to 90A

2 to 3 h

100 to 110 ºC

80 to 90 ºC

> 90A

2 to 3 h

110 to 120 ºC

90 to 120 ºC

STORAGE: Elastollan® 695AN can be stored for up to one year in its
original container. Containers should be stored in a cool and dry area.
Containers should be tightly closed after use. Granulates should be
exposed to the surrounding air only for as long as absolutely essential; it
is therefore important to cover the feed hopper of the processing
machine. Drying is recommended if the container has been opened
several times. In order to prevent condensation, materials stored in cool
conditions should be brought to room temperature before opening the
container.

Elastollan® TPU
Technical Data Sheet
TYPICAL PROCESSING CONDITIONS: Elastollan® 695AN can be
used for injection molding or extrusion conditions. Typical processing
conditions are listed in the table below. We recommend you to call our
technical service helpdesk for more information or troubleshooting.
INJECTION MOLDING
Recommended barrel temperatures in ºC
Elastollan®
Hardness

Barrel Temperature

Nozzle

60A- 80A

170-210

200-210

85A- 95A

190-220

210-225

98A-74D

210-230

220-240

EXTRUSION
CHALLENGE US: Please contact us for more information on Elastollan®
products.

Recommended barrel temperatures in ºC
®

Elastollan
Hardness

Cylinder

Adapter

Die Head

Nozzle

60A to 70A

140-175

160-175

165-170

160-165

75A to 85A

160-200

175-200

175-205

170-205

90A to 98A

170-210

200-220

195-215

190-210

VISCOSITY CURVE:

You can reach our technical team at 1-800-892-3111 or
tpu_helpdesk@basf.com. You can find more information at
www.basf.com/elastollan. Our mailing address is BASF Corporation,
1609 Biddle Avenue, Wyandotte, Michigan 48192
For Further information, the following detailed brochures are available
upon request:
Elastollan® Material Properties
Elastollan® Product Range
Elastollan® Processing Recommendations
Elastollan® Electrical Properties
Elastollan® Chemical Resistance
DISPOSAL: Elastollan® materials are fully reacted and present no
hazard to the environment. Waste can therefore be disposed at public
waste disposal sites. The official regulations on waste disposal should be
observed. For further information, please see BASF material safety data
sheets.
CAUTION: Contact with product dusts from regrinding operations may
cause temporary irritation of the eyes and the respiratory tract. Use with
local exhaust. Under hot melt processing conditions (170-230°C), wear
personal protective equipment to prevent thermal burns.

SHRINKAGE: This graph can be used for estimated shrinkage values of
Elastollan® products in relation to the wall thickness. Please remember
that depending on the molding conditions and part design these values
can change. We recommend you to call technical service group for
further information.

FIRST AID: Eyes-Flush eyes with flowing water at least 15 minutes. If
irritation develops, consult a physician. Skin-Skin contact with hot melt
may cause thermal burns. Call a physician immediately. Inhalation-If
vapors generated from the hot melt process are inhaled, move to fresh
air. Aid in breathing. If breathing difficulties develop, see a physician
immediately.
In case of fire: Use water fog, foam, CO2, or dry chemical extinguishing
media. Firefighters should be equipped with self-contained breathing
apparatus and turnout gear.

Request Information
About this data sheet
Description Elastollan 695AN is specifically formulated for extruded profile, sheet and film applications. It exhibits excellent abrasion resistance, toughness, high transparency, low gel, and low yellowness index. It has excellent damping characteristics and outstanding resistance to tear propagation. Elastollan 695AN conforms to the FDA food contact regulations as described in book 21, section 177.2600 and 177.1680 for both wet and dry food contact applications respectively. Elastollan 695AN is supplied uncolored in pellet form.