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View Rotomolding Product Bulletins

Product
Melt Index (2.16 kg/190C) ASTM D1238 (g/10min)
Document
Shell Polymers LLDPE 35R7U
7.0
0.935
Shell Polymers LLDPE 39R4U
3.5
0.939
Shell Polymers LLDPE 35R5U
5.2
0.935

View Injection Molding Product Bulletins

Product
Melt Index (2.16 kg/190C) ASTM D1238 (g/10min)
Document
Shell Polymers LLDPE 24N20
20.0
0.924
Shell Polymers LLDPE 26N50
50.0
0.926
Shell Polymers HDPE 48N5
5.0
0.948
Shell Polymers HDPE 52N10
10.0
0.952
Shell Polymers HDPE 52N7
6.5
0.952
Shell Polymers HDPE 54N20
20.0
0.954
Shell Polymers HDPE 65N8
8.2
0.965
Shell Polymers HDPE 65N8U
8.2
0.965

View Blow Molding Product Bulletins

Product
Document
Shell Polymers HDPE 49B10HL
10.0 (21.6 kg/190C)
0.949
Shell Polymers HDPE 55B035
0.35 (2.16 kg/190C)
0.955
Shell Polymers HDPE 63B072
0.72 (2.16 kg/190C)
0.963

View Safety Data Sheets

Document Title Document
Shell Polymers HDPE View Document
Shell Polymers LLDPE View Document
Shell Polymers Polyethylene Wide Spec or Offspec View Document

Grade Slate 101

Understanding how we name our grade slates will be key to choosing the right melt index and density you need. Check out our unique naming convention below to know exactly what to look for when perusing our product bulletins.

Density

Graphic displaying “18F1B1.” “18” is highlighted in red.

Density is reflected by the first two numbers found in the nomenclature sequence, which in this instance is 18. These numbers represent the last two significant digits of the density value. See examples below.

18 = 0.918 density
53 = 0.953 density
63 = 0.963 density

Process

Graphic displaying “18F1B1.” “F” is highlighted in red.

Process is reflected by the second letter(s) found in the nomenclature sequence, which in this instance is F. See examples below.

B = Blow Molding: Slurry
BG = Blow Molding: Gas Phase
F = Film
N = Injection Molding
P = Pipe
R = Rotomolding

Melt Index

Graphic displaying “18F1B1.” “1” is highlighted in red.

Melt index is reflected by the third number found in the nomenclature sequence, which in this instance is 1.

If the product’s melt index is >1, the value displayed in the nomenclature sequence is rounded to the nearest integer value.

If the product’s melt index is <1, the value displayed in the nomenclature sequence has a leading zero to indicate it should be a decimal.

Example: 035 = 0.35

“HL” indicates HLMI.

Comonomer Type (Film)

Graphic displaying “18F1B1.” “B” is highlighted in red.

For film grades, comonomer type is reflected by the fourth letter in the nomenclature sequence, which in this instance is B. See examples below.

B = Butene, C4
H = Hexene, C6
M = Metallocene

Additives

Graphic displaying “18F1B1.” “1” is highlighted in red.

Additives are reflected by the fifth number or letter in the nomenclature sequence, which in this instance is 1. See examples below.

Film Grades
No number = Barefoot
AB only = Version 1
AB & Slip (level 1) = Version 2
AB & Slip (level 2) = Version 3

Non-Film Grades
A = Antistat
U = UV
S = Sheet

Related Polyethylene Product Families

Leveraging high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) in applications makes durable products that can also be abrasion-and chemical-resistant. So when a part needs to be strong, versatile, and produced quickly, HDPE and LLDPE are strong contenders.

HDPE

HDPE is a popular choice across a variety of industries because of its moisture and chemical resistance, impressive tensile strength and durability.

LLDPE

LLDPE has a variety of benefits and is known for its resistance to breaking or staining, molding capabilities and the ability to produce complex shapes.

Related Conversion Processes

A few conversion processes can be used to make the flexible polyethylene toys little ones love.

Rotomolding

Rotomolded LLDPE and HDPE is used to make large products such as playgrounds, industrial containers and more.

Injection Molding

Injection molded LLDPE and HDPE is used to make caps, bottle closures, toys and more.

Blow Molding

Blow molded HDPE is used to make hollow products such as industrial containers and drums, liquid containers and more.

Technical Expertise

Polymer Profile: Francisco Alvarez, Senior Technical Service Engineer | Blow Molding & Injection Molding

Francisco is an experienced polymers industry expert with a strong background in polymer processing and specialist experience in resin testing and design.

Polymer Profile: Elliot Carnevale, Technical Service Engineer | Injection Molding

Elliot has nearly 10 years of experience helping customers innovate in the injection molding and sheet extrusion and thermoforming space.

Polymer Profile: Carl Baker, Senior Technical Service Engineer | Pipe & Rotomolding

With more than 35 years of experience helping customers innovate in pipe applications, Carl holds leadership positions in several key industry organizations, including the Plastic Pipe and Fittings Association.

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