Silicon Specimen Supports

Marsoni

M251S

$372.55

Get it in 3 business days with 1 day shipping. Friday, May 29

Silicon Specimen SupportsPELCO Silicon Nitride Coated 3mm Disks (blanks) 21555 10 These 3mm silicon disks have a 50nm ultra low stress silicon nitride layer (Si3N4) on both sides and can be used as specimen disks for AFM applications which need a Si3N4 background. Provide smooth background: Surface roughness has RMS (Rg) of 0. 65 0. 06nm which gives a mean roughness (RA) of 0. 45 0. 02nm. Product Specifications Film thickness: 50nm ultra low stress Si3N4 on both sides Disc

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I spend a lot of time working outside and in the woods year round and I really need a good sun block. I think I've tried about 7-8 different sun blocks and I didn't really like any of them until I started using this one several years ago. It is perfect: 1. It dries or "disappears" quickly and there's no build-up. Once it's on, you don't know it's there 2. Sweat doesn't bother it or remove it 3. It has very little scent and this is important if you're outside and don't want to attract mosquitoes and pests 4. A little bit goes a long way - spread and rub in a couple of small dabs and you're good to go I use it daily. I keep a tube in the car and carry one with me when I hit the field and woods. It is the best sun block I've found.

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Reviewed in the United States on March 1, 2015

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Aysenur

Carnegie, US

★★★★★ 5

Great Product

Although I have a medium dark skin I've lived through various problems associated with sunburn.I was looking for a product and I saw this one on Amazon then I decided to give it a try.I'm really happy with the results.I bought 70spf to use on my face.It is really light, it lets my skin to breath through it.It smells really good.It is easy to apply.It doesn't leave whitness.All in all I really recommend this prduct !

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Reviewed in the United States on March 25, 2012

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daliagon

San Leandro, US

★★★★★ 4

I love that it's a dry-touch and that my face doesn't ...

I love that it's a dry-touch and that my face doesn't feel greasy all day. However, it almost dries too fast and it makes it harder to rub into your skin. I don't like feeling like I'm "tugging" on my face when I put it on.

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Reviewed in the United States on July 1, 2015

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Revolutionary Mama

Alexandria, US

★★★★★ 5

good stuff

I like this sun block. It doesn't sting my eyes and it seems to be effective. I am out in the sun a lot and I don't burn with this on, so it must work. It's not greasy so I use it under make up.

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Reviewed in the United States on June 2, 2011

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Alexander

Pawtucket, US

★★★★★ 5

Easy to apply, neutral smell, and lasts long

I usually hate sunscreen, but this brand is acceptable. It doesn't leave a terrible waxy feeling on your skin, and it's easy to apply on your face. Also, it doesn't have an overpowering smell, which is nice.

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Reviewed in the United States on July 17, 2013