Exceed™ XP 8358 Series
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Performance Polymer

Product Description
Exceed™ XP 8358 is an eXtreme Performance ethylene 1-hexene copolymer that offers step-out toughness, high flex-crack resistance and increased output with excellent bubble stability for a range of blown film applications. TnPP is not intentionally added to Exceed™ XP 8358. Exceed™ XP 8358 - when eXtreme Performance matters.
 
General 
Availability 1 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Additive 
  • Exceed™ XP 8358ML: Antiblock: No; Slip: No; Processing Aid: Yes; Thermal Stabilizer: Yes
  • Exceed™ XP 8358MJ: Antiblock: 4500 ppm; Slip: No; Processing Aid: Yes; Thermal Stabilizer: Yes
Applications 
  • Agricultural Film
  • Blown Silage
  • Construction Liners
  • Flexible Packaging
  • Liquid Packaging
Revision Date 
  • 07/23/2018
 
Resin Properties
Typical Value
Unit
Test Based On
Density / Specific Gravity
0.918
g/cm³
ASTM D792
Melt Index (190°C/2.16 kg)
0.50
g/10 min
ASTM D1238
Peak Melting Temperature
250
°F
ExxonMobil Method
 
Film Properties
Typical Value
Unit
Test Based On
Tensile Strength at Yield MD
1400
psi
ASTM D882
Tensile Strength at Yield TD
1500
psi
ASTM D882
Tensile Strength at Break MD
10000
psi
ASTM D882
Tensile Strength at Break TD
7900
psi
ASTM D882
Elongation at Break MD
300
%
ASTM D882
Elongation at Break TD
640
%
ASTM D882
Secant Modulus MD - 1% Secant
29000
psi
ASTM D882
Secant Modulus TD - 1% Secant
36000
psi
ASTM D882
Dart Drop Impact
710
g
ASTM D1709
Elmendorf Tear Strength MD
530
g
ASTM D1922
Elmendorf Tear Strength TD
500
g
ASTM D1922
Puncture Force
12
lbf
ExxonMobil Method
Puncture Energy
33
in·lb
ExxonMobil Method
 
Optical Properties
Typical Value
Unit
Test Based On
Gloss (45°)
25
 
ASTM D2457
Haze
23
%
ASTM D1003
 
Legal Statement
This product, including the product name, shall not be used or tested in any medical application without the prior written acknowledgement of ExxonMobil Chemical as to the intended use. For detailed Product Stewardship information, please contact Customer Service.

Exceed™ XP 8358 Series can - in principle - be used in food contact applications in all EU Member States and in the USA (FDA). Migration or use limitations may apply. Please contact your ExxonMobil Chemical representative for more detailed information and/or actual compliance certification documents for the specific grade of interest.

Tris(nonylphenol)phosphite (TNPP) CAS# 26523-78-4 is not intentionally used by ExxonMobil in this product. Although this product is not routinely tested for its presence, based on product composition knowledge this substance is not expected to be present. However, the fact that this substance is not intentionally used by ExxonMobil in this product does not exclude that trace levels of this substance may be present as a result of the specific characteristics of the raw materials and/or of the manufacturing process.
 
Processing Statement
Film (1mil/25.4 micron) made from Exceed™ XP 8358ML on a 3.5 inch (90mm) blown film line with a 2.5:1 blow-up ratio, a target melt temperature of 400°F (204°C), a 90 mil (2.286 mm) die gap at a rate of 15 lbs/hr/in die circumference.
 
Notes
1Product may not be available in one or more countries in the identified Availability regions. Please contact your Sales Representative for complete Country Availability.
 
For additional technical, sales and order assistance: www.exxonmobilchemical.com/ContactUs
Worldwide and the Americas
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Spring, TX 77389-1425
USA
Asia Pacific
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Singapore 098633
Europe, Middle East and Africa
ExxonMobil Chemical Europe
Hermeslaan 2
1831 Machelen, Belgium

exxonmobilchemical.com

Typical properties: these are not to be construed as specifications.

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