Boron-containing radiation shielding sheet, neutron protection UHMWPE boards
Xinxing Radiation Shielding boron loaded uhmwpe sheets was specially designed for nuclear shielding applications, and is used in a variety of applications including high intensity X-rays, cancer treatment facilities, nuclear submarines, and nuclear power plants.
The Borated Radiation shielding UHMWPE sheets' Standard Size:
1,Thickness;6-300mm
2,Normal Standard Size:2000*1000*6-300mm
3000*1500*6-300mm
4700-1200*6-300mm
5000*1300*6-300mm
3050*1220*6-300mm
Any small size need to cut,we can satisfy your special need.
5% Boron by weight to shield neutrons, are boron loaded PE(U)HMW grades. The high hydrogen content of PE (U)HMW makes it very suitable for slowing down fast neutrons to lower energy thermal (slow) neutrons, which are then absorbed by the added boron compound.
Whereas both PE-HMW and PE-UHMW are suitable for neutron shielding, PE-UHMW is often preferred because of its better deformation behaviour at high temperatures and its superior impact strength and wear resistance.
Advantage of borated UHMWPE radiation shielding boards
1.
Abrasion resistance at the top in plastics, 4 times higher than nylon 66 and PTFE, 6 times higher than carbon steel;
2.
The impact strength ranks first among plastics, which is 2 times of PC and 5 times of ABS, and can keep high toughness at liquid nitrogen temperature (-196)
3.
Its self-lubrication is approach to that of PTFE, and the coefficient of friction is only 0.07-0.11
4.The impact absorption value is the highest among all plastics, and the sound attenuation effect is very good
5.
High chemical stability, in a certain temperature and concentration range can withstand the action of various corrosive media and organic media
6.
Strong anti-adhesion ability, second only to PTFE;
7.
Completely hygienic and non-toxic, can be used to contact food and medicine;
8.
UHMWPE is odorless, non-toxic, odorless, non-corrosive, and has physiological circulation and physiological adaptability.
9.
When the molecular weight of high-density polyethylene exceeds 500,000, the embrittlement temperature will drop to 140 ° C.
Ultra-high molecular weight polyethylene (UHMWPE) can even be used under liquid nitrogen, It still has a certain mechanical strength, when its work temperature reach -269 below ºC,
The boron-containing polyethylene board has good engineering performance, high dimensional stability, and satisfactory γ radiation resistance. The work temperature is 80 ~ 100 ºC. And its shielding performance of thermal neutron, fast neutron and γ radiation is significantly better than polyethylene.
Research shows that the boron-containing radiation-proof polyethylene plate can effectively prevent the harm caused by nuclear radiation and neutron radiation to individuals and society.
Property of Borated UHMWPE boards
| Properties |
Units |
ASTM |
Nominal Values |
| Density |
g/cc |
D1505 |
1.04 |
| Tensile Strength @ Yield |
p.s.i. |
D638 |
>1,400 |
| Elongation @ Break |
% |
D638 |
>20% |
| Flexural Modulus |
p.s.i. |
D790 |
65,000 |
| Durometer |
Shore D |
D2240 |
70 |
| Tensile Impact |
ft.lbs./in.2 |
D1822 |
99 |
| Vicat Softening |
ºF |
D1525 |
192º |
Heat Deflection Temp.
66p.s.i. |
ºF |
D648 |
183º |
Applications
MRI Rooms
Nuclear Submarines
Containment Cabinets
Cancer Treatment Facilities
Nuclear or Radiation Shielding
X-Ray Rooms
Imaging Machines
Containment Boxes
Nuclear Power Plants
Linear Particle Accelerators
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