Victoria blue Extra Pure
$ 18.78 Original price was: $ 18.78.$ 18.65Current price is: $ 18.65.
Vitamin A Acetate powder
$ 17.45 Original price was: $ 17.45.$ 17.34Current price is: $ 17.34.
SEMI CIRCLE GLASS BLOCK
$ 15.89 Original price was: $ 15.89.$ 15.76Current price is: $ 15.76.
Whatsapp Order
Semi Circle Glass Block is a precision laboratory apparatus made from high-quality optical glass, designed for experiments involving light refraction, reflection, and optics principles. The semi-circular shape allows for controlled study of how light bends when passing through different media, making it ideal for educational demonstrations and research in physics and optical sciences. The block is crafted from clear, durable glass to provide excellent transparency and minimal distortion. It is widely used in schools, colleges, and research labs for studying Snell’s Law, critical angle, and total internal reflection.
Description
Table of Contents
Toggle
SEMI CIRCLE GLASS BLOCK
Primary Uses
- Laboratory Applications
- Demonstrates refraction and reflection of light in physics experiments.
- Used to study Snell’s Law and measure refractive indices of materials.
- Facilitates the observation of critical angle and total internal reflection.
- Used in educational laboratories for teaching optics and light behavior.
- Supports research and experiments in optical physics.
Secondary Uses
- Applicable in industrial research for material optics testing.
- Used in quality control labs for optical component inspection.
KEY PRODUCT FEATURES
1.Basic Identification Attributes
- Material: Usually stainless steel, aluminum, or durable plastic.
- Shape: Flat, thin, rectangular or slightly curved blade attached to a handle.
- Size: Small and lightweight for precise control.
- Finish: Smooth, polished surface to prevent powder adherence.
2.Physical & Chemical Properties
- Chemical Resistance: Resistant to most laboratory chemicals (metal or plastic grade dependent).
- Durability: Sturdy yet lightweight for ease of use.
- Surface: Smooth and non-porous to prevent sample contamination.
3.Safety & Hazard Attributes
- Sharp edges may cause minor cuts; handle carefully.
- Must be cleaned regularly to avoid cross-contamination.
4.Storage & Handling Attributes
- Store in a clean, dry place to prevent corrosion (if metal).
- Clean thoroughly after each use with suitable solvents or detergents.
- Inspect for damage or corrosion before use.
5.Regulatory & Compliance Attributes
- Manufactured to laboratory equipment standards.
- Suitable for use in GMP and GLP compliant laboratories.
6.Environmental & Health Impact
- Materials are generally recyclable (metal/plastic).
- Durable design reduces frequent replacement and waste.
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- Use gloves and eye protection when handling.
- Avoid dropping or applying undue force to prevent breakage.
First Aid Measures
- In case of cuts from broken glass, clean wounds and seek medical attention if severe.
Firefighting Measures
- Non-flammable glass material.
- Use appropriate extinguishing methods for fires involving surrounding materials.
Related products
Atomic Model Set
The Atomic Model Set is an educational tool designed to visually demonstrate the structure of atoms and molecules. It consists of color-coded balls representing protons, neutrons, and electrons, connected by rods to simulate atomic bonds. This set is widely used in classrooms, laboratories, and training centers to aid in the teaching of atomic theory, molecular geometry, chemical bonding, and related concepts. Made from durable plastic materials, the set provides a hands-on, interactive experience that enhances understanding of complex scientific principles.
Centre of Gravity apparatus
The Centre of Gravity Apparatus is a precision instrument designed to demonstrate and measure the center of gravity of various objects. It consists of a rigid frame, adjustable clamps, and pointers that help identify the balance point of irregular shapes and composite bodies. Widely used in physics laboratories and industrial training, this apparatus aids in understanding the principles of equilibrium, stability, and moments. Its sturdy construction ensures accurate and repeatable measurements essential for educational and quality control purposes.
Constantine wire
Constantine Wire is an alloy wire composed primarily of copper, nickel, and zinc, known for its high electrical conductivity, corrosion resistance, and durability. It is widely used in electrical applications requiring reliable conduction and mechanical strength. The wire exhibits excellent resistance to oxidation and mechanical wear, making it suitable for various laboratory and industrial uses.
Contact key
Product Description
The Contact Key is a fundamental switching device used in electrical circuits to manually open or close the flow of current. Commonly used in physics laboratories for demonstration and experimentation with circuits, it enables controlled activation of current for brief or sustained durations. Made from durable, conductive metals with insulating bases, Contact Keys are essential components in circuit testing, timing devices, and low-voltage experimental setups.
Crookes radiometer
The Crookes Radiometer, also known as a light mill, is a scientific apparatus consisting of a glass bulb containing a partial vacuum and a rotor with vanes coated black on one side and white or silver on the other. When exposed to light or radiant energy, the vanes rotate due to differential thermal transpiration, demonstrating principles of gas kinetics and energy conversion. It is commonly used for educational demonstrations of light pressure and thermodynamics.
Diffraction Gratings
Diffraction Gratings are precision optical components used to disperse light into its component wavelengths for spectral analysis. These gratings consist of a surface with a series of closely spaced lines or grooves that diffract incoming light at specific angles depending on wavelength, enabling separation and measurement of spectral bands. Available in transmission or reflection formats, diffraction gratings are made from materials like glass or quartz and are often coated for enhanced optical performance. They are widely used in laboratories, research institutions, and industrial applications involving spectroscopy, photonics, and laser systems.
Double, Triple, Single Lab Pulley
Lab pulleys—available as single, double, or triple configurations—are precision-engineered mechanical devices used in laboratory settings to change the direction of force or lift loads with reduced effort. Typically made from durable materials such as metal alloys or hard plastics, these pulleys consist of grooved wheels that guide ropes or cords smoothly during experiments and mechanical setups. Single pulleys have one wheel, doubles have two, and triples have three wheels, allowing different mechanical advantages depending on the setup. Lab pulleys are essential in physics education, mechanical experiments, and engineering demonstrations where principles of force, tension, and motion are studied.
Glass Rod for Static Electricity
Glass Rod for Static Electricity is a smooth, cylindrical rod made from high-quality glass designed specifically for generating static electricity through friction. Commonly used in physics laboratories and educational demonstrations, this rod serves as a fundamental tool to study electrostatics by producing and transferring electric charges when rubbed with materials like silk or wool. The rod’s chemically resistant, durable glass surface allows repeated use without degradation. It is an essential apparatus for teaching concepts such as charge generation, attraction, repulsion, and the behavior of static electricity in various materials.

Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Fresh Herbs
Ground Spices
Whole Spices
Spice Blends
Dried Herbs
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders