Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
T – Toxic (toxic material fee applies)
C – Contaminating (clean-up fee applies)
NOTE: The pictures do not represent all filters. Appearance will vary with thickness and material.
ALUMINUM
Al
99.95%
Density = 2.70
| Foil Thickness | Price Class | |
 | 0.07 – 0.3 | 3 |
| 0.3 – 5.0 | 2 | |
| 5.0 – 25.0 | 1 |
ALUMINUM (Low cost foil sheets – Made in Japan)
Al
99%
| 0.6µ | 5.5 x 5.5 inch/14 x 14cm | P/N 0.65Al-14x14cm |
| 0.8µ | 9.4 x 9.4 inch/24 x 24cm | P/N 0.8Al-24x24cm |
| 1.2µ | 8.2 x 8.2 inch/21 x21cm | P/N 1.2Al-21x21cm |
| 1.8µ | 8.2 x 8.2 inch/21 x 21cm | P/N 1.8Al-21x21cm |
| 4.0µ | 11.8 x 11.8 inch/30 x 30cm | P/N 4.0Al-30x30cm |
| 7.0µ | 11.8 x 11.8 inch/30 x 30cm | P/N 7.0Al-30x30cm |
| 12.5µ | 12.0 x 12.0 inch/30 x 30cm | P/N 12.5Al-30x30cm |
1-9 identical sheets $35.00/sheet
10-29 identical sheets $31.00/sheet
30+ identical sheets $28.00/sheet
Note: Low cost foil less that 4 microns thick is generally not suitable for x-ray filter or window applications. This foil has a vast number of pinholes and defects. Low cost foil makes excellent microphone ribbons, electrostatic shields and shims.
ALUMINUM LIGHT BLOCK FILTERS
250Å Al backed by 0.1µ Parylene N, visible light transmission approximately 1% Price Class 3
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
ALUMINUM OXIDE
Al2O3
99.99%
Density 3.96
| Foil Thickness | Price Class |
| 0.1 – 0.5 | 2 x Class 4 |
BERYLLIUM
Be
99.8%
Density = 1.85
| Foil Thickness | Price Class | |
 | 0.1 – 0.2 | 4 x Class 4 + CT |
| 0.2 – 0.4 | 3 x Class 4 +CT | |
| 0.4 – 5.0 | 2 x Class 4 + CT | |
| 5.0 – 7.5 (99.8%) | request a quote | |
| 5.0 – 7.5 (99%) | request a quote | |
| 7.5 – 20 (99.8%) | request a quote | |
| 7.5 – 20 (99%) | request a quote | |
| Over 20 (99.8%) | request a quote | |
| Over 20 (99%) | request a quote |
Tolerance on rolled Be: ±10% by weight, peak to peak mechanical ±20%
Price calculating size, outside dimension of the foil. For circles add 2mm to the size.
Circle cutting charge = $18.00 each.
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
BORON
B
99.8%
Density = 2.34
| Foil Thickness | Price Class | |
 | 0.1 – 1.0 | 2 x Class 4 + CT |
| 1.0 – 2.0 (1cm maximum) | 3 x Class 4 + CT |
CARBON
C
99.9%
Density = 2.0 – 2.2
| Foil Thickness | Price Class |
| 0.01 – 0.05 (2.0 – 10µg/cm2) | 4 |
| 0.05 – 1.8 (10 – 400µg/cm2) | 3 |
| 1.8 – 5.0 (400 – 1000µg/cm2) | 2 x Class 4 |
Tolerance: .01 – .05 & 1.8 -2.7 ±20%
CHROMIUM
Cr
99.99%
Density = 7.19
| Foil Thickness | Price Class |
| 0.1 – 5.0 | 4 |
COLBALT
Co
99.99%
Density = 8.92
| Foil Thickness | Price Class |
| 0.07 – 25.0 | 3 |
COPPER
Cu
99.99%
Density = 8.94
| Foil Thickness | Price Class | |
 | 0.1 – 5.0 | 2 |
| 5.0 – 25.0 | 1 | |
| Hermetic Packaging for shipment (Required for 1 micron and under) | $150.00/lot |
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
GERMANIUM
Ge
99.99%
Density = 5.32
| Foil Thickness | Price Class | |
 | 0.05 – 0.1 | 3 x Class 4 |
| 0.1 – 0.3 | 2 x Class 4 | |
| 0.3 – 8.0 | request a quote |
GOLD
Au
99.99%
Density = 19.32
| Foil Thickness | Price Class | |
 | 0.02 – 0.1 | 4 |
| 0.1 – 25.0 | 3 |
HAFNIUM
Hf
99.95% (+2-3% Zr)
Density = 13.09
| Foil Thickness | Price Class |
| 0.3 – 2.0 | 4 |
| 2.0 – 25.0 | 3 |
INDIUM
In
99.99%
Density = 7.31
| Foil Thickness | Price Class | |
 | 0.1 – 5.0 | 2 x Class 4 + C |
| 10.0 – 25.0 | 4 |
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
IRON
Fe
99.95%
Density = 7.87
| Foil Thickness | Price Class |
| 0.1 – 10.0 | 3 |
| 10.0 – 25.0 | 2 |
| Foil Thickness | Price Class |
| 7.5, 13.0, 25.0, 50.0, 75.0, 125.0 | 1 |
KAPTON® (POLYIMIDE) SHEETS
| 7.5µ | 30 x 30cm/~12 x 12 inch sheet | $100.00 |
| 13µ, 25µ, 50µ, 75µ, 125µ | 30 x 30cm/~12 x 12 inch sheet | $35.00 |
LEAD
Pb
99.99%
Density = 11.34
| Foil Thickness | Price Class |
| 0.1 – 3.0 (backing required – Parylene 0.1µ) | 4 + CT |
| 3.0 – 25.0 | 2 |
LITHIUM FLUORIDE
LiF
99.8%
Density = 2.59
| Foil Thickness | Price Class |
| 0.05 – 1.0 (backing required – Parylene 0.1µ) | 2 x Class 4 |
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
MAGNESIUM
Mg
99.99%
Density = 1.74
| Foil Thickness | Price Class | |
 | 0.1 – 3.0 (backing required – Parylene 0.1µ) | 4 + C |
| 3.0 – 10.0 | 1.5 x Class 4 | |
| 10.0 – 25.0 | 4 |
MAGNESIUM FLUORIDE
MgF2
99.9%
Density = 3.0
| Foil Thickness | Price Class |
| 0.05 – 1.0 (backing required – Parylene 0.1µ) | 4 |
MESH
Mesh Pitch
Mesh Pitch Price Class 
0.36mm Standard Ni 1 33µ, 86µ, 0.13mm, 0.65mm, 0.85mm, 1.04mm, 1.27mm, 1.6mm, 2.5mm Other Stock Ni 2 86µ, 0.36mm Cu 2 2.5mm Stainless Steel 2
High Attenuation Mesh:
| Price Class | ||
| 1.4% Transmission | Stainless Steel | 2 x Class 1 |
| 12% Transmission | Stainless Steel | 1 |
| 25% Transmission | Stainless Steel | 1 |
| 50% Transmission | Stainless Steel | 1 |
See Specifications page for details
MOLYBDENUM
Mo
99.99%
Density = 10.22
| Foil Thickness | Price Class |
| 0.1 – 2.0 | 2 x Class 4 |
| 2.0 – 25.0 | 2 |
MYLAR® (PET)
My (-C10-H8-O4)
Density =1.39
| Foil Thickness | Price Class |
| 0.5, 0.9, 2.0, 6.0, 13.0, 25.0 | 1 |
MYLAR SHEETS
| 0.9, 2.0, 3.0 (0.5 not available) | 30 x 30cm/~12 x 12 inch sheet | $100.00 each |
| 6.0, 13.0, 25.0, 50.0, 100.0, 125.0, 200.0 | 30 x 30cm/~12 x 12 inch sheet | $35.00 each |
Sheets are Mylar only, they are not metalized
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
NICKEL
Ni
99.99%
Density = 8.91
| Foil Thickness | Price Class |
| 0.05 – 2.0 | 3 |
| 2.0 – 5.0 | 2 |
| 5.0 – 25.0 | 1 |
NIOBIUM
Nb
99.99%
Density = 8.57
| Foil Thickness | Price Class |
| 0.2 – 3.0 | 1.5 x Class 4 |
| 3.0 – 10.0 | 3 |
| 10.0 – 25.0 | 2 |
PARYLENE N®
Py (-C8H8-)
Density = 1.11
| Foil Thickness | Price Class |
| 0.1, 0.2, 0.25, 0.3, 0.5, 0.75, 1.0, 1.5, 5.0, 10.0 | 1 |
Other sizes and thicknesses available on special order
50mm x 75mm sheets on glass for release = $275.00 each
PALLADIUM
Pd
99.99%
Density = 12.02
| Foil Thickness | Price Class |
| 0.05 – 0.1 | 4 |
| 0.1 – 25.0 | 3 |
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
PLATINUM
Pt
99.9%
Density = 21.45
| Foil Thickness | Price Class |
| 0.1 – 3.0 | 4 |
| 3.0 – 25.0 | 3 |
POLYCARBONATE (LEXAN®)
Lx (-C16H14O3–)
Density = 1.1
| Foil Thickness | Price Class |
| 2.0. 6.0, 20.0, 250.0 | 1 |
POLYCARBONATE (LEXAN®) – SHEETS2.0, 6.0 30 x 30cm/~12 x 12 inch sheet $100.00 each 20.0, 250.0 30 x 30cm/~12 x 12 inch sheet $35.00 each
POLYIMIDE (KAPTON®)
See Kapton® Polyimide
Density = 1.42
POLYPROPYLENE
-C3H6–
Density = 0.9
| Foil Thickness | Price Class |
| 4.0, 8.0, 30.0, 40.0, 50.0 | 1 |
POLYPROPYLENE – SHEETS8.0, 30.0, 40.0, 50.0 30 x 30cm/~12 x 12 inch sheet $100.00 each
POLYSTYRENE
-C8H8–
Density = 1.06
| Foil Thickness | Price Class |
| 50.0, 125.0 | 1 |
POLYSTYRENE – SHEETS
50.0, 125.0 30 x 30cm/~12 x 12 inch sheet $65.00 each
RHODIUM
Rh
Density = 12.41
| Foil Thickness | Price Class |
| 0.05 – 1.0 | 2 x Class 4 + $10,000/micron |
SILICON
Si
99.999%
Density = 2.33
| Foil Thickness | Price Class | |
 | 0.1 – 4.0 | 2 x Class 4 |
| 10.0 | 3 x Class 4 | |
| 12.0, 15.0, 20.0, 25.0 | 2 x Class 4 |
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
SILICON DIOXIDE
SiO2
99.9%
Density = 2.3-2.7
| Foil Thickness | Price Class |
| 0.1 – 0.5 | 2 x Class 4 |
(Mesh support not recommended)
SILICON NITRIDE
Si3N4
99.9%
Density = 3.44
| Foil Thickness | Price Class | |
| 0.1, 0.2, 0.5, 1.0 | 5mm diameter only | 1.5 x Class 4 |
SILVER
Ag
99.99%
Density = 10.49
| Foil Thickness | Price Class |
| 0.1 – 25.0 | 2 |
TANTALUM
Ta
99.95%
Density = 16.6
| Foil Thickness | Price Class |
| 0.1 – 1.0 | 2 x Class 4 |
| 2.0 – 5.0 | 2 x Class 4 |
| 5.0 – 25.0 | 3 |
Units-Unless otherwise specified, all units are in micron (μ)
1µ = 1 micrometer = 10,000Å = 1,000nm = 0.001mm = 0.00004 inches
TEFLON®
Tf (-CF2CF2-)
Density = 2.25
| Foil Thickness | Price Class |
| 4.0, 6.0, 12.0, 19.0, 25.0 | 1 |
TEFLON® – SHEETS4.0, 6.0, 25.0, 50.0, 100.0, 250.0, 500.0, 750.0 30 x 30cm/~12 x 12 inch sheet $65.00 each
TIN
Sn
99.99%
Density = 7.29
| Foil Thickness | Price Class |
| 0.1 – 0.3 | 2 x Class 4 |
| 0.3 – 3.0 | 4 |
| 3.0 – 25.0 | 2 |
TITANIUM
Ti
99.99%
Density = 4.50
| Foil Thickness | Price Class | |
 | 0.05 – 5.0 | 3 |
| 5.0 – 25.0 | 2 |
TITANIUM OXIDE
TiO2/TiO
99.9%
Density = 4.3
| Foil Thickness | Price Class |
| 0.1 – 0.5 | 2 x Class 4 |
TUNGSTEN
W
99.95%
Density = 19.3
| Foil Thickness | Price Class |
| 3.0 – 10.0 | 3 x Class 4 |
| 10.0 – 25.0 | 2 x Class 4 |
VANADIUM
V
99.9%
Density = 6.11
| Foil Thickness | Price Class |
| 0.1 – 5.0 | 4 |
| 5.0 – 25.0 (99.8%) | 3 |
ZINC
Zn
99.9%
Density = 7.14
| Foil Thickness | Price Class |
| 0.1 – 3.0 (backing required – Parylene 0.1µ) | 3 + C |
| 3.0 – 10.0 | 3 |
| 10.0 – 25.0 | 2 |
ZIRCONIUM
Zr
99.95%
Density = 6.39
| Foil Thickness | Price Class | |
 | 0.1 – 0.2 | 1.5 x Class 4 |
| 0.2 – 2.0 | 4 | |
| 2.0 – 25.0 (99.9%) | 3 |