| King Plasti-Shield® |
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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.
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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. |
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| 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.
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View the Material Safety Data Sheet 2%| View the Material Safety Data Sheet 5%
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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.
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| Popular Applications: |
- Medical vaults and doors for linear particle accelerators and other radiation applications, research applications, nuclear reactors and construction of nuclear-powered vessels.
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| 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)
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| Thickness required to attenuate a neutron beam by a factor of 10. m |
| Material
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Density |
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Thickness |
| Water |
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1.0
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8.8" |
| Concrete |
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2.4 |
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9.6" |
| HD Concrete |
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3.5 |
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9.6" |
| Iron |
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7.9 |
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5.7" |
| Lead |
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11.3 |
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7.8" |
| King Plasti-Shield |
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.92 |
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8.0" |
| * For tolerance information, contact your King Plastic Corp. representative. Custom and proprietary colors available with appropriate minimum order. |
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