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Specifications
| Grade | Lead-equivalency (mmPb*) | Light transmission (%) | Thickness (mm) | Maximum sizes (mm) |
|---|---|---|---|---|
| H-8 | 0.3 or over | 80 or over | 8.5 + 0.7 | 1830 x 2440 |
| H-12 | 0.5 or over | 75 or over | 12.0 + 1.0 | 1830 x 2440 |
| H-18 | 0.8 or over | 70 or over | 18.5 + 1.2 | 1830 x 2440 |
| H-22 | 1.0 or over | 65 or over | 23.5 + 1.5 | 1830 x 2440 |
| H-35 | 1.5 or over | 75 or over | 35.0 + 2.0 | 1830 x 2440 |
| H-46 | 2.0 or over | 70 or over | 46.5 + 2.5 | 1830 x 2440 |
| H-70 | 3.0 or over | 65 or over | 70.0 + 3.0 | 1220 x 2440 |
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Applications
- Viewing window for x-ray room, CT room, and cardiac catheterization room
- Mobile barrier for radiation shielding
- Fixed barrier for radiation shielding
- Parts (shielding panel) for mammography and mobile x-ray equipment
- Radiation shielding booth and door for dental x-ray equipment
- X-ray compensation filter, etc.
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Physical Properties
| Unit | H-12 | H-35 | |
|---|---|---|---|
| Tensile strength JIS K7162 |
[MPa] | 53 | 40 |
| Tensile modulus JIS K7162 |
[MPA] | 2000 | 1600 |
| Elongation – JIS K7162 (Yield point – Tensile strain at tensile strength) |
[%] | 6 | 37 |
| Flexural strength JIS K7171 |
[MPa] | 66 | 64 |
| Flexural modulus JIS K7171 |
[MPa] | 2100 | 1800 |
| Rockwell hardness JIS K7202-2 |
[M-scale] | 88 | 63 |
| Izod impact strength (Notched) JIS K7110 |
[KJ/m2] | 2.6 | 3.7 |
| Heat deflection temperature JIS K7191-2 |
[oC] | 71 | 65 |
| Coefficient of linear thermal expansion JIS K7197 |
[cm/(cm-oC)] | 1×10-4 | 10×10-4 |
[/vc_column_text][vc_column_text]All data presented herein is based on measurements performed by Kuraray Co., Ltd., and other reliable information. However, the measurements are not guaranteed as they vary depending upon actual usage and conditions.[/vc_column_text][/vc_column][vc_column column_padding=”no-extra-padding” column_padding_tablet=”inherit” column_padding_phone=”inherit” column_padding_position=”all” column_element_direction_desktop=”default” column_element_spacing=”default” desktop_text_alignment=”default” tablet_text_alignment=”default” phone_text_alignment=”default” background_color_opacity=”1″ background_hover_color_opacity=”1″ column_backdrop_filter=”none” column_shadow=”none” column_border_radius=”none” column_link_target=”_self” column_position=”default” gradient_direction=”left_to_right” overlay_strength=”0.3″ width=”1/3″ tablet_width_inherit=”default” animation_type=”default” bg_image_animation=”none” border_type=”simple” column_border_width=”none” column_border_style=”solid”][vc_column_text]
Optical Properties
| Unit | H-12 | H-35 | |
|---|---|---|---|
| Refractive index JIS K7142 |
[ – ] | 1.55 | 1.55 |
| Surface reflectivity JIS K7375 |
[%] | 11.2 | 6.7 |
[/vc_column_text][vc_column_text]
Retention of physical properties and discoloration after exposure
| Unit | Absorbed Dose | H-12 | H-35 | |
|---|---|---|---|---|
| Flexural strength JIS K7171 |
[MPa] | 0 Gy 100 Gy 500 Gy 1000 Gy |
66 77 75 78 |
64 73 82 83 |
| Flexural modulus JIS K717 |
[MPa] | 0 Gy 100 Gy 500 Gy 1000 Gy |
2100 2100 2100 2200 |
1800 2000 2300 2300 |
| Izod impact strength JIS K7110 |
[KJ/m2] | 0 Gy 100 Gy 500 Gy 1000 Gy |
2.6 2.8 2.5 2.5 |
3.7 3.6 3.8 3.5 |
| Discolouration (Hunter’s colour difference) |
100 Gy 1000 Gy |
0.6 2.2 |
2.5 7.6 |
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