Formvar on 3mm 200 Mesh Ni Grids (Pack of 25)

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Molecular Formula (C2H4O)x (repeating units)
Poisonous Yes
Melting Point 64-85C
Molecular Weight Variable, dependent on polymerization
Shape Round grid, 3mm diameter
Purity >99% (Formvar film purity)
Storage Store in a cool, dry place; avoid excessive temperature and humidity
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Formvar on 3mm 200 Mesh Ni Grids (Pack of 25) Price And Quantity

Formvar on 3mm 200 Mesh Ni Grids (Pack of 25) Product Specifications

Storage Store in a cool, dry place; avoid excessive temperature and humidity
Refractive Rate Formvar: 1.48
Density 1.25 Gram per cubic centimeter(g/cm3)
Chemical Name Polyvinyl Formal
Standard Meets TEM lab quality control specifications
Form Solid support film on metallic mesh
Usage Electron microscopy specimen support
Grade Ultra-pure, microscopy grade
Solubility Insoluble in water, soluble in organic solvents such as chloroform and benzene
HS Code 701990
Structural Formula Repeating vinyl formal units
Ph Level Neutral, not relevant for solid state
CAS No 9002-89-5 (Formvar)
Application Support film for transmission electron microscopy (TEM) sample preparation
Other Names Formvar support film, Polyvinyl Formal grid
EINECS No 209-794-7
Smell Odorless
Main Material Formvar (polyvinyl formal) coated on Nickel (Ni) grid
Molecular Formula (C2H4O)x (repeating units)
Poisonous Yes
Classification Microscopy consumable
Type 200 Mesh Ni grid with Formvar support film
Purity >99% (Formvar film purity)
Melting Point 64-85C
Molecular Weight Variable, dependent on polymerization
Shape Round grid, 3mm diameter

Formvar on 3mm 200 Mesh Ni Grids (Pack of 25) Trade Information

Main Export Market(s) South America, Western Europe, North America, Central America, Middle East, Asia, Eastern Europe, Australia, Africa
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 grids made of copper, nickel or gold.

Supplied as 25 grids in a grid box.

Nickel

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

Optimized for High-Resolution TEM Imaging

These Formvar-coated 3mm Nickel grids with 200 mesh are engineered for ultra-high performance in modern transmission electron microscopy. Their uniform, thin film supports precise imaging and reduces artifact risk. Rigorously cleaned and quality controlled, they help ensure clear, reliable results for demanding research and diagnostic applications.

Safe and Practical Handling Features

Manufactured with smooth edges and a robust support film, these grids are easy to manipulate using standard forceps, minimizing handling risks and reducing the likelihood of accidental damage. The Formvar films non-toxic, odorless composition offers lab safety, and each unit arrives oil and debris-free for immediate use.

Reliable Storage and Long-Term Usability

With a minimum shelf life of two years under proper conditions, these grids provide reliable performance over time. Storing them in a cool, dry place preserves the Formvar films integrity and helps maintain the highest standards for microscopy work.

FAQs of Formvar on 3mm 200 Mesh Ni Grids (Pack of 25):

Q: How should Formvar on 3mm 200 Mesh Ni Grids be handled to prevent damage?

A: Always handle these grids using clean forceps, avoiding direct contact with the film. Touching the film with fingers can damage the ultra-thin (10-20 nm) Formvar layer or transfer contaminants. Use smooth, careful movements to prevent wrinkling or tearing.

Q: What is the recommended process for sterilizing these TEM grids before specimen preparation?

A: You can sterilize the Formvar/Ni grids either by exposure to UV light or by briefly rinsing them with alcohol. Ensure they are completely dry and free from residual solvents before use in TEM applications to guarantee clean imaging.

Q: When is it appropriate to use these Formvar-coated Nickel grids in an electron microscopy workflow?

A: These grids are ideal for TEM specimen support, especially where high-resolution imaging is needed. Use them during sample preparation when uniform film support is required to reduce imaging artifacts or when a clean, non-toxic substrate is essential.

Q: Where should these grids be stored to maximize their usable lifespan?

A: Store the grids in a cool, dry environment, away from excessive heat or humidity. Properly stored, their shelf life is at least two years, ensuring the Formvar film remains pristine and effective for microscopy.

Q: What benefits do Formvar-coated Nickel grids offer compared to unsupported or alternative grid types?

A: The Formvar support film provides a smooth, even surface for specimens, minimizing structural damage and improving sample stability during imaging. Nickel grids are chemically robust and compatible with a wide range of sample preparation protocols, making them a versatile choice for advanced microscopy.

Q: How does the high purity and clean surface quality of these grids enhance imaging results?

A: With over 99% Formvar purity, meticulous cleaning, and absence of oils or debris, these grids help prevent contamination and imaging artifacts. This leads to clearer, more reliable micrographs and better reproducibility in experimental results.

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