SKU: 7019269390

IW Tremont A83-5500 Binderless Grade A-83 glass fiber filter media, 0.5micron retention, 5.5cm diameter

Sale price$87.17 Regular price$96.86
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

IW Tremont A83-5500 Binderless Grade A-83 glass fiber filter media, 0.5micron retention, 5.5cm diameterGRADE A 83 Imagine the loading capacity of a binderless glass microfiber filter with the tightly regulated pore size of a microfiltration membrane. Now it's possible with Grade A83. This new grade has a particle retention of 0. 5m. It has >20x loading capacity of an equivalent porosity MCE or CN membrane and >15x the flow rate. Back pressure is nearly non existent in comparison to surface membranes. Chemically inert, pure binderless borosilicate glass

GRADE A-83 - Imagine the loading capacity of a binderless glass microfiber filter with the tightly regulated pore size of a microfiltration membrane.

Now it's possible with Grade A83. This new grade has a particle retention of 0.5µm. It has >20x loading capacity of an equivalent porosity MCE or CN membrane and >15x the flow rate. Back pressure is nearly non-existent in comparison to surface membranes.

Chemically inert, pure binderless borosilicate glass with no sizing additives or other surfactants. Low background noise in LC/GC/MS and very low extractables in presence of aggressive solvents. There are many filter materials which make the claim of "nano-scale" fiber, but Grade A83 is tested by an independent laboratory using the latest in fiber analysis and SEM image quantification. With >85% of the fiber content between 300nm -100nm, this material is truly one of the highest surface area binderless glass microfiber products on the market today.
GRADE A-83 - Imagine the loading capacity of a binderless glass microfiber filter with the tightly regulated pore size of a microfiltration membrane.

Now it's possible with Grade A83. This new grade has a particle retention of 0.5µm. It has >20x loading capacity of an equivalent porosity MCE or CN membrane and >15x the flow rate. Back pressure is nearly non-existent in comparison to surface membranes.

Chemically inert, pure binderless borosilicate glass with no sizing additives or other surfactants. Low background noise in LC/GC/MS and very low extractables in presence of aggressive solvents. There are many filter materials which make the claim of "nano-scale" fiber, but Grade A83 is tested by an independent laboratory using the latest in fiber analysis and SEM image quantification. With >85% of the fiber content between 300nm -100nm, this material is truly one of the highest surface area binderless glass microfiber products on the market today.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 7019269390

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Teresa H.
Port Orchard, US
★★★★★ 5
Great for sensitive skin
Very good for sensitive skin, since I t is natural and mineral a little light for darker skin.
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Reviewed in the United States on August 18, 2025
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Rachael W.
Boise, US
★★★★★ 4
Leaves a white cast
I’m not a big fan of the white cast.
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Reviewed in the United States on October 13, 2025
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Brittany
Charlottesville, US
★★★★★ 5
Works well
Works well with fewer ingredients. The stick is very convenient for use on the face.
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Reviewed in the United States on January 6, 2026
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Ryan Jeff
Charlottesville, US
★★★★★ 5
Great product!
Bought for our beach trip! Lasted 3 kids all weekend! Great coverage!!
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Reviewed in the United States on August 16, 2025
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Robyn
Cuba, US
★★★★★ 5
10/10
My son has very sensitive skin and this doesn't make him break out at all.
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Reviewed in the United States on October 16, 2025

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