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Formvar on 3mm 300 Mesh Au Grids (Pack of 25)

Formvar on 3mm 300 Mesh Au Grids (Pack of 25)

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Product Details:

  • Smell Odorless
  • Solubility Insoluble in water, soluble in organic solvents such as chloroform and benzene
  • Storage Store in a dry environment, avoid exposure to high temperatures and humidity
  • Shape Round grid
  • Structural Formula Polyvinyl formal repeating unit
  • Molecular Formula (C2H3Cl)n for Formvar
  • Purity >99.9% (gold); high purity (Formvar)
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Formvar on 3mm 300 Mesh Au Grids (Pack of 25) Product Specifications

  • (C2H3Cl)n for Formvar
  • >99.9% (gold); high purity (Formvar)
  • Meets standard for EM grid preparation
  • Round grid
  • Polyvinyl formal repeating unit
  • Insoluble in water, soluble in organic solvents such as chloroform and benzene
  • 300 mesh, round grids, 3mm diameter
  • Store in a dry environment, avoid exposure to high temperatures and humidity
  • Odorless
  • Not applicable for composite product
  • Solid grid with thin polymer film
  • Yes
  • Used as a support film for ultrathin TEM specimens
  • Formvar-coated Au mesh grids, gold TEM grids with Formvar film
  • TEM-grade; ultra-pure Formvar and high-purity gold
  • Microscopy consumable
  • Approximately 110°C (Formvar film)
  • 19.32 Gram per cubic centimeter(g/cm3)
  • Gold (Au) grids with Formvar support film
  • 9002-89-5 (Formvar) / 7440-57-5 (Gold)
  • 39206921
  • TEM support, specimen mounting, electron microscopy grid preparation
  • Polyvinyl formal (Formvar) on gold grid
  • Neutral (7.0 for Formvar film in water)
  • Variable polymer, approx. 25,000-65,000 (Formvar)
  • High transparency under electron beam
  • Use anti-static and clean techniques for handling
  • 300 Mesh
  • At least 1 year under proper storage conditions
  • 3mm
  • Smooth, clean, ready for specimen mounting
  • 25 grids per pack
  • ~10-20 nm (Formvar film)
  • Gold-colored mesh with translucent film
  • Ultrasonically cleaned and ready to use
  • One side coated with Formvar
  • Compatible with most resins, stains, and EM procedures
  • Low particulate and hydrocarbon contamination
  • No additional carbon (pure Formvar coating)
  • Gold (Au)

Formvar on 3mm 300 Mesh Au Grids (Pack of 25) Trade Information

  • Telegraphic Transfer (T/T), Paypal, Cash in Advance (CID), Cheque
  • 50000 Per Month
  • 10 Days
  • Western Europe, Asia, Australia, North America, Eastern Europe, Middle East, Africa, Central America, South America
  • All India

Product Description

Formvar coated grids without a carbon layer are suitable for TEM applications up to 100kV. The films are available on grids made of copper, nickel or gold.

Supplied as 25 grids in a grid box.

Gold

Formvar support films can be applied to other grid sizes, material or type. Further details available on request.



High Purity Gold Support Grids

Manufactured from ultra-pure gold, these TEM-grade grids offer a stable foundation, minimizing chemical reactivity and maximizing sample visibility. The 300 mesh design ensures fine specimen support while maintaining grid integrity throughout handling and imaging. Researchers benefit from the purity and consistent performance of gold as a grid material, making them suitable for critical electron microscopy applications.


Formvar Film for Superior Sample Mounting

A one-sided Formvar coating (1020 nm) delivers high transparency, enabling clear electron transmission and specimen observation. With smooth, ultrasonically cleaned surfaces, contamination is minimal, and specimens adhere reliably during preparation. The films properties ensure broad compatibility with resins, stains, and standard EM protocols, streamlining laboratory workflows.


Ready-to-Use and Easy Handling

Supplied in packs of 25, each grid arrives clean, dry, and ready for immediate use. The non-toxic, odorless composition allows for safe handling, though anti-static and clean techniques are essential to avoid damage. Proper storage extends shelf life to at least one year, maintaining grid quality until needed for electron microscopy procedures.

FAQs of Formvar on 3mm 300 Mesh Au Grids (Pack of 25):


Q: How should Formvar on 3mm 300 Mesh Au Grids be handled to prevent damage or contamination?

A: It is recommended to use anti-static tools and operate in a clean environment when handling these grids. This helps avoid damaging the thin Formvar film and prevents particulate and hydrocarbon contamination. Always hold grids by the edge, avoid direct contact with the film, and wear gloves or use tweezers.

Q: What are the main benefits of using gold grids with Formvar film for TEM applications?

A: Gold grids provide excellent chemical stability, high purity (>99.9%), and minimal background signals in imaging, while the Formvar film offers high transparency and reliable specimen adhesion. Together, they enhance electron transmission, maintain specimen integrity, and support high-quality imaging results in TEM.

Q: When are these grids suitable for electron microscopy procedures?

A: These grids are ready for use immediately upon delivery, as they come ultrasonically cleaned, dry, and prepared for specimen mounting. Their TEM-grade certification ensures compatibility with most EM protocols and specimen preparation workflows, making them suitable for routine and advanced electron microscopy.

Q: Where should the Formvar-coated gold grids be stored to maximize their shelf life?

A: For optimal shelf life (at least one year), store the grids in a dry environment, away from high temperatures and humidity. Proper storage helps maintain grid integrity and protects the Formvar film from degradation or contamination.

Q: What process is used for cleaning and preparing these TEM grids before packaging?

A: The grids undergo ultrasonic cleaning to remove particulates and hydrocarbons, ensuring a smooth, clean surface that is ready for specimen mounting. This process minimizes contamination and guarantees reliable performance in microscopy applications.

Q: How does the Formvar film appear visually and under the electron beam?

A: Visually, the film appears as a translucent layer on the gold-colored mesh grid. Under an electron beam, the Formvar film provides high transparency, allowing for detailed imaging and analysis of ultrathin samples.

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