Formvar on 3mm 75 Mesh Cu Grids (Pack of 25)

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Product Details:

Density 1.2 Gram per cubic centimeter(g/cm3)
Purity High-purity Formvar and copper
Form Mesh grid coated with Formvar film
Molecular Formula (C3H4O)x for polymer; Cu for grid
Structural Formula [-CH2-CH(OCH3)-CH2O-]n for Formvar, Cu lattice
Poisonous Yes
Storage Store at room temperature, dry environment
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Formvar on 3mm 75 Mesh Cu Grids (Pack of 25) Product Specifications

Main Material Copper (Cu) grid with Formvar polymer coating
Chemical Name Polyvinyl formal (Formvar), Copper grid
HS Code 810 copper mesh / 3916 polymer film
Melting Point Approximately 170C
Shape Disc (grid), thin film coated
Grade Analytical/Research grade
Usage Used as a specimen support in TEM sample preparation
Classification Polymer film on metal grid
Molecular Weight Variable (polymer), 63.55 for copper
Application Support film for electron microscopy, particularly transmission electron microscopy (TEM)
Standard Meets electron microscopy lab standards
EINECS No N/A (Formvar is a trade name)
Solubility Insoluble in water; soluble in organic solvents such as chloroform and ethylene dichloride
Type 3mm diameter, 75 mesh copper grid coated with Formvar
Storage Store at room temperature, dry environment
Smell Odorless
Other Names Polyvinyl formal on copper grid
Structural Formula [-CH2-CH(OCH3)-CH2O-]n for Formvar, Cu lattice
Molecular Formula (C3H4O)x for polymer; Cu for grid
Poisonous Yes
Form Mesh grid coated with Formvar film
Purity High-purity Formvar and copper
CAS No 63148-65-2 (Formvar polymer)
Density 1.2 Gram per cubic centimeter(g/cm3)

Formvar on 3mm 75 Mesh Cu Grids (Pack of 25) Trade Information

Payment Terms Paypal, Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque
Main Domestic Market All India

Product Description

Formvar coated grids without a carbon layer are suitable for TEM applications up to 100kV. The films are available on copper grids. Nickel and gold grids are also available.

Supplied as 25 grids in a grid box.

Superior Support for TEM Applications

These grids offer a stable platform for specimen mounting in transmission electron microscopy. The Formvar-coated copper ensures minimal artifact introduction, delivering clear imaging results and high electron transparency. Widely utilized in research and analytical laboratories for biological and material sciences, these grids facilitate detailed examination of ultrastructural features.

Uniform Coating and Excellent Compatibility

The grids are manufactured with a uniform Formvar coating between 10-30 nm, providing a smooth, defect-free film. They are highly compatible with most TEM sample preparation protocols, minimizing sample disruption and supporting a variety of specimen types, including delicate biological samples and fine material particles.

Reliable Storage and Longevity

Supplied in packs of 25, these grids maintain integrity when stored in a dry environment at room temperature. With a shelf life of two years under recommended conditions, researchers can depend on consistent grid quality throughout their experiments.

FAQs of Formvar on 3mm 75 Mesh Cu Grids (Pack of 25):

Q: How should I store the Formvar on 3mm 75 Mesh Cu grids to maintain their quality?

A: Store the grids in a dry environment at room temperature, protected from moisture and dust. This preserves the smooth, defect-free Formvar film and maintains grid performance for up to 2 years.

Q: What are the main benefits of using Formvar-coated copper grids for TEM?

A: Formvar-coated copper grids provide high electron transparency, a stable support film, and a smooth surface that minimizes imaging artifacts. They boost the quality and reliability of specimen imaging in TEM applications.

Q: Where can I use these 3mm 75 Mesh Cu grids?

A: These grids are widely used in biological and materials science laboratories for TEM specimen preparation. They are suitable for research and analytical applications requiring artifact-free, high-resolution electron microscopy.

Q: What is the recommended process for preparing specimens on Formvar-coated grids?

A: Specimens are typically placed directly onto the Formvar-coated surface. The smooth film helps create an even support for samples, and the grid is then mounted in the TEM sample holder for imaging.

Q: When should I replace unused grids from my pack?

A: Replace grids if the Formvar film appears damaged, or after their shelf life of 2 years has elapsed. Proper storage helps maximize their usable period.

Q: What solvents are suitable for dissolution or removal of Formvar from the grid?

A: Formvar is insoluble in water but is soluble in organic solvents such as chloroform and ethylene dichloride. These may be used in laboratory processes requiring film removal.

Q: What is the benefit of the 75 mesh size and 3 mm diameter specification?

A: The 75 mesh size provides an optimal balance between support and open space for sample observation, while the 3 mm diameter fits standard TEM sample holders, ensuring compatibility and ease of use.

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