A 75 E 5040

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INTRODUCTION
 
IROGRAN® A 75 E 5040 is a softener free thermoplastic special-polyester-polyurethane for extrusion applications.
 
Additional characteristics of the product is broad processing window.
 
PERFORMANCE FEATURES
 
Good melt flow
 
Matt surface
 
Softener-free
 
High elasticity
 
APPLICATIONS
 
For the production of cable jacketing technical extrusion and extrusion blow molding.
 
Table 1: Typical Physical Properties
 

Property

Key

DIN/ISO

UNIT

Value

ASTM/ISO

Unit

Value

Hardness

M

ISO 7619

Shore A

75

D-2240

Shore A

55

Hardness

M

ISO 7619

Shore D

25

D-2240

Shore D

25

Tensile Strength

M

53504

MPa

30

D-412

Psi

2200

Elongation @ break

M

53504

%

650

D-412

%

650

100% Modulus

M

53504

MPa

3.3

D-412

psi

570

300% Modulus

M

53504

MPa

5.8

D-412

psi

950

Tear Resistance

M

ISO 34-1

N/mm

35

D-624

pli

300

Abrasion

M

ISO 4649

mm3

90

D-5963

 in3

0.0055

Compression Set
70hrs @ 23
°C

M

ISO 815

%

35

D-395

%

35

Compression Set
24hrs @ 70°C

M

ISO 815

%

58

D-395

%

58

Mold Shrinkage

M

ISO 294-4

%

1.6

D-955

in/in

0,016

Bayshore Rebound Resilience

M

 

%

25

D-2632

%

25

Density

M

ISO 1183-1

g/cm3

1.15

D-792

g/cm3

1.15

TMA Low

E

Huntsman

°C

150

Huntsman

°F

300

TMA High

E

Huntsman

°C

90

Huntsman

°F

375


E = 0.025” extruded film cut to ASTM requirements.
 
M = Injection moulded parts to meet DIN & ASTM requirements. Parts tempered for 20hrs @ 100OC prior to testing.

POLYMER SELECTION
 
Before selecting this product it is necessary that the user ensures the product performance will meet all operational and end use requirements. Having satisfied these requirements, should changes be contemplated in method of application, materials, service conditions or any other change that could affect the ultimate performance of the end product, then further tests and trials should be carried out. For assistance with particular problems and applications, please contact the IROGRAN TPU Technical Service Department.
 
HEALTH & SAFETY ADVICE
 
Before undertaking any trials with this product it is essential that all personnel are aware of the necessary precautions that must be taken. These are detailed in the relevant Safety Data Sheet, which will be provided by HUNTSMAN.
 
SUPPLY & STORAGE
 
IROGRAN A 75 E 5040 is supplied in the form of opaque pellets in bags of 25 kg net (1000 kg/pallet).
 
IROGRAN TPU has an expected shelf life of minimum 12 months after shipment date. The product should be stored in a dry and cool place in the manufacturer’s original packaging.
 
PHYSICAL FORM
 
Type: Pellet
 
Bulk Density: 680 kg/m3 [40 lb/ft3]
 
MATERIAL PREPARATION
 
IROGRAN TPU grades are supplied pre-dried in moisture guarded sacks. To ensure trouble-free processing it is preferable to dry IROGRAN TPU. The recommended drying conditions are:
 4 hours at 80-90°C in circulating air.
 
 4 hours at 70-80°C in dehumidified air.
 
 Dew point: -22oF / -30oC
 
For further advice on the use of additives during processing please contact the IROGRAN TPU Technical Service Department.
 
PROCESSING PARAMETERS
 
Table 2: Typical Processing Parameters

Processable using:

Melt Volume Rate [190OC/21,6 kg]

Extrusion
30 cm3/10 min

Extrusion
Temperature Profile

C

F

Feed Zone

25-40

77-104

Barrel

165-190

329-374

Adapter

175-195

347-383

Die Head

175-200

347-392

Nozzle

170-200

338-392


While the information and recommendations in this publication are, to the best of our knowledge, information and belief, accurate at the date of publication, NOTHING HEREIN IS TO BE CONSTRUED AS A  WARRANTY, EXPRESS OR OTHERWISE. IN ALL CASES, IT IS THE RESPONSIBILITY OF THE USER TO DETERMINE THE APPLICABILITY OF SUCH INFORMATION AND RECOMMENDATIONS AND THE SUITABILITY OF ANY PRODUCT FOR ITS OWN PARTICULAR PURPOSE. NOTHING IN THIS PUBLICATION IS TO BE CONSTRUED AS RECOMMENDING THE INFRINGEMENT OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHT, AND NO LIABILITY ARISING FROM ANY SUCH INFRINGEMENT IS ASSUMED. NOTHING IN THIS PUBLICATION IS TO BE VIEWED AS A LICENCE UNDER ANY INTELLECTUAL PROPERTY RIGHT. Except where explicitly agreed otherwise, the sale of products referred to in this publication is subject to the general terms and conditions of Huntsman International LLC or of its affiliated companies. Huntsman Polyurethanes is an international business unit of Huntsman International LLC. Huntsman Polyurethanes trades through Huntsman affiliated companies in different countries such as Huntsman International LLC in the USA and Huntsman Holland BV in Western Europe. IROGRAN is a registered trademark of Huntsman International LLC in one or more countries, but not all countries.
 
Copyright © Huntsman International LLC 2003. All rights reserved.