SAN DIEGO PLASTICS - King Plasti-Shield®

2220 McKinley Avenue
National City CA 91950
800/925-4855 619/477-4855 FAX 619/477-4874

King Plasti-Shield®

Borated Polyethylene Neutron Shielding
King Plasti-Shield® has been used as medical and industrial neutron shielding for more than 25 years. It is a light-weight, cost-effective and easily fabricated solution for a wide variety of neutron-shielding needs. Compared to paraffin-based products, King Plasti-Shield sheets are much more durable and perform well in a wider range of temperatures.

With 5% boron by weight and a distinctive purple color, King Plasti-Shield Industrial Grade is effective in medical and other applications requiring attenuation of thermal neutrons.

Grade II (yellow, 1% boron) and Grade III (red, 2% boron) are used as neutron shielding in the construction and repair of US Navy ships. These products are manufactured to MIL-P-23536, Rev. A. Certification and testing is available to meet MIL-Spec. requirements.

King Plastic's QC inspection has been certified to meet Mil-I-45208A. King Plastic Corporation also offers high-quality, non-borated virgin polyethylene (natural color), which shields against fast neutrons due to its high hydrogen content.

Colors

Purple (5% Boron by Weight)

Product Details:

Made in the USA of the finest polymers
available. Available in 1%, 2% or 5% boron
content (by weight) or virgin formulas.

High cross-section for consistent neutron
attenuation.

Advanced processes and precise tolerances
ensure superior flatness and consistent density.

1"x4'x8' sheets allow for easy installation.

Grade II and III materials are closely inspected
and controlled in accordance with MIL-P 23536A revision A and shipyard specifications.

Independent lab results available (charges
apply).

Supplied in mill shapes, such as sheets, blocks
and slabs.

Can be machined to your specifications.

Custom/proprietary colors available with
appropriate minimum order.

Easily fabricated using standard woodworking
tools.

Used in US fighting ships.

View the Material Safety Data Sheet 2%|

View the Material Safety Data Sheet 5%

King Plasti-Shield® Industrial Grade (5%) is in stock or may be produced to order with as little as two to three weeks lead time.

Popular Applications:

Medical vaults and doors for linear particle accelerators and other radiation applications, research applications, nuclear reactors and construction of nuclear-powered vessels.

Standard Gauge :

1" / 25.4mm

Approximate Weight :

160 lbs / 72.57 kg

Sheet Size :

48" x 96" / 1219mm x 2438mm
Custom sheets, blocks and slabs available in standard or custom colors.

Standard Sheet Sizes Tolerances :

+½", -¼"

Weight (lb./Cubic Inch) :

.035

Physical Properties:

Industrial Grade (purple, 5%* Boron by Weight) W
Grade III (red, 2%* Boron by Weight) W
Grade II (yellow, 1%* Boron by Weight) W
Virgin Polyethylene (natural color)

Thickness required to attenuate a neutron beam by a factor of 10. m

Material |
Density
|
Thickness

Water | <>
1.0
| <>
8.8"

Concrete |
2.4
|
9.6"

HD Concrete |
3.5
|
9.6"

Iron |
7.9
| <>
5.7"

Lead |
11.3
|
7.8"

King Plasti-Shield |
.92
|
8.0"

* For tolerance information, contact your King Plastic Corp. representative. Custom and proprietary colors available with appropriate minimum order.

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