Slotted Weight Set with Hanger

This Slotted Weight Set with Hanger is perfect for Physics experiments, specifically for Hooke's Law demonstrations, Lever/Balance demonstrations, and other Physics & Mechanics experiments requiring weights. The set includes one 50-gram weight hanger, 9 20-gram slotted masses, one 10-gram slotted mass, and two 5-gram slotted masses, all packed in a reusable plastic storage case.

General Information:

• Includes one 50-gram weight hanger, 9 20-gram slotted masses, one 10-gram slotted mass, and two 5-gram slotted masses
• Packed in a reusable plastic storage case

Key Features:

• Can be used for Hooke's Law demonstrations, Lever/Balance demonstrations, and other Physics & Mechanics experiments requiring weights
• Comes with a variety of slotted masses
• Packed in a reusable plastic storage case

Similar Products

• Standard Weight Set with Hanger
• Calibration Weight Set with Case
• Brass Slotted Weight Set
• Iron Weight Set with Hanger
• Stainless Steel Weight Set with Case

CAUTION: This product contains small parts and is not suitable for children under 3 years old. Adult supervision is required during use.

Perfect for:

• Physics students in high school or college
• Science teachers looking for a reliable weight set for demonstrations
• Physics enthusiasts conducting experiments at home
• STEM educators in after-school programs or camps

Sodium Benzoate

Sodium Benzoate Nf/Fcc Benzoate, Sodium, Nffcc is a bacteriostatic and fungistatic preservative commonly used in acidic foods, such as salad dressings, carbonated drinks, jams and fruit juices, and pickles. It is also used in medicines and cosmetics as a preservative. Sodium benzoate has the E number E211 and is also used in fireworks as a fuel. However, caution should be taken when using it as rocket fuel because of its sensitivity to impact and high danger of explosion when the motor is pressed.

Key Features:

• Bacteriostatic and fungistatic preservative
• Used in acidic foods, medicines, and cosmetics
• E number E211
• Used in fireworks as fuel

Product Specifications:

Sodium Chloride 99.6% (Salt Crystal, Solar Salt)

Sodium Chloride (NaCl), with a purity of 99.6%, is a food-grade, natural salt crystal produced through solar drying. This high-purity product consists of clear, clean crystals ideal for various applications, including water purification systems, culinary uses, and scientific experiments. Its crystalline form is particularly suitable for growing larger crystals in educational and laboratory settings. This versatile and eco-friendly product is harvested naturally, ensuring high quality for both industrial and personal uses.

Key Features

• 99.6% pure Sodium Chloride
• Food-grade, natural sun-dried crystals
• Suitable for water purification systems
• Ideal for crystal growth experiments
• Clear, clean crystals for industrial and personal use

Product Specifications

Sodium Chlorite, 80%, Technical Grade

Sodium Chlorite, 80%, Technical Grade, is primarily used for generating chlorine dioxide in bleaching and stripping applications for textiles, pulp, and paper. This product meets the requirements of ANSI/AWWA B303-00 and is EPA registered (Reg. No. 5382-42). It is NSF listed under ANSI/NSF Standard 60. The product is shipped in compliance with hazmat regulations and is available in 100-lb drums, requiring a commercial/industrial shipping address.

Product Specifications

Shipping Information:

• Hazmat fee is included; no additional charges.
• Ships by UPS Ground only; no air or priority shipping.
• 100-lb drums require a commercial/industrial shipping address.
• Delivery restricted to the lower 48 United States and Canada.

Applications and Benefits:

• Chlorine dioxide generation for bleaching and stripping textiles
• Used in pulp and paper processing
• Meets ANSI/AWWA and EPA standards

Caution:

Product cannot be combined with other chemicals in the same invoice. Hazmat fees are non-refundable if the product is refused or returned. Ensure proper storage and handling procedures.

Sodium Gluconate, FCC, 99.9%

Sodium Gluconate, FCC, 99.9%, is a high-purity sodium salt of gluconic acid, produced through glucose fermentation. This white granular or powdered compound is water-soluble, non-toxic, biodegradable, and biorenewable, making it an environmentally friendly choice. Its versatility allows its use in food, personal care, household detergents, industrial cleaning, metal finishing, corrosion inhibition, and specialized applications like electroplating, de-icing, and concrete formulation. In the food industry, it enhances flavors in cheese, tofu, and salt substitutes, while in personal care, it supports dental and hair care formulations. Its chelating properties and safety make it ideal for diverse sectors such as mining, aluminum processing, and bottle washing.

Key Features

• Non-toxic, biodegradable, and environmentally friendly.
• Water-soluble and easy to integrate into formulations.
• Strong chelating agent for a wide range of applications.
• Effective in food, personal care, industrial, and construction sectors.
• High purity (99.9%) for consistent performance.

Product Specifications

Sodium Perborate Tetrahydrate, Min 96%

Sodium Perborate Tetrahydrate (NaBO₃·4H₂O), with a minimum purity of 96%, is a technical-grade compound primarily used as a stable source of active oxygen. It serves a range of applications, including developing vat dyes, textile bleaching, and in the formulation of synthetic detergents and laundry products. Compared to more aggressive bleach alternatives like sodium hypochlorite, Sodium Perborate is less harsh on fabrics and dyes, making it ideal for cleaning and laundry bleaches. It is also used in dental compositions, electroplating, and as a laboratory reagent. The product is available as a white powder, sometimes forming clumps, and is moderately toxic by ingestion. Due to its strong oxidizing properties, it poses a fire risk when in contact with organic materials. Sodium Perborate Tetrahydrate is available for ground shipping via UPS or FedEx and cannot be shipped by air or priority services.

Key Features

• Stable source of active oxygen for cleaning and bleaching
• Less aggressive than sodium hypochlorite and other chlorine-based bleaches
• Used in textile bleaching, laundry detergents, and vat dye development
• Ideal for dental compositions and electroplating
• Moderately toxic by ingestion; strong oxidizing agent
• White powder, may form clumps

Product Specifications

Sodium Sulfite, Anhydrous, 98%

Sodium Sulfite, Anhydrous (Na₂SO₃), is a high-purity technical-grade compound with 98% Na₂SO₃ content, widely valued for its reducing and oxygen-scavenging properties. Commonly used in water treatment, it protects steam boilers and washing machines from corrosion by reacting with dissolved oxygen to form sodium sulfate. In the photographic industry, it prevents developer solutions from oxidizing and facilitates the removal of fixer from photo-paper and film. The textile industry utilizes Sodium Sulfite as a bleaching, desulfurizing, and dechlorinating agent, while the paper industry employs it in various processes. Additionally, it is used as a preservative to prevent discoloration in dried fruits and meats. Sodium Sulfite also functions as a reagent in sulfonation and sulfomethylation reactions. With a 98% purity level and low impurity content, this versatile compound is essential for numerous industrial and commercial applications.

Key Features

• 98% pure technical-grade Sodium Sulfite (Na₂SO₃)
• Protects water systems by scavenging oxygen
• Prevents oxidation in photographic developer solutions
• Used in textile bleaching, desulfurizing, and dechlorination
• Preserves dried fruits and meats from discoloration
• Functions as a reagent in sulfonation and sulfomethylation

Product Specifications

Spring Steel Wire Test Tube Clamp

Wire-form structure made from plated spring steel with self-closing jaws and integrated finger grip actuation. Jaw alignment is maintained using a wire collar to minimize lateral displacement.

Product Specifications

Applications and Benefits:

• Secure handling of test tubes during laboratory experiments
• Prevents lateral displacement with reliable jaw alignment
• Corrosion resistance ensures durability in wet environments
• Easy manual operation with finger grips
• Adjustable jaw opening suits a wide range of test tube sizes

Caution:

Ensure compatibility with test tube diameter to avoid breakage. Do not use near open flames unless verified heat-resistant.

Steel Triangle Files

Steel Triangle Files are an essential tool for cutting glass tubing and many other uses. Made of durable steel, these files are designed to withstand heavy use and provide precise cuts every time. Their triangular shape allows for easy maneuverability and access to hard-to-reach areas. Whether you're a professional glassworker or a DIY enthusiast, these files are an excellent addition to your tool collection.

Super Fine Iron Powder, Atomized

Super fine atomized iron powder with solid-dense, free-flowing particles. At least 95% of the particles pass through a 45-micron sieve (mesh 325). This high-purity iron powder is ideal as a filler for rubber, plastics, and resins, providing weight, magnetic properties, and metal detection capabilities. Safe for food contact and cosmetic applications, it also finds use in magnetic pigments, powder metallurgy, sintered products, magnetism experiments, forensic products, and magnetic paints. IRON325ZV is specifically suited for cold casting delicate, high-precision objects and applications such as MIM (Metal Injection Molding) and P&S (Press & Sinter). Additionally, it is used in tension control devices, including magnetic clutches and brakes.

Specifications

Applications and Benefits:

• Filler for rubber, plastics, and resins
• Magnetic pigments and paints
• Food contact and cosmetic applications
• Powder metallurgy and sintering
• Soft magnetic composite compounds
• Chemical reactions and magnetism experiments
• Forensic products
• Cold casting delicate, high-precision objects
• Tension control devices like magnetic clutches and brakes

Caution:

This product is not tested or approved for human consumption or iron fortification. Handle with care and review the Material Safety Data Sheet (MSDS) for proper use.

Super Fine Iron Powder, Atomized, High Purity

Super fine high-purity atomized iron powder with dense, free-flowing particles passing through a 45-micron sieve (mesh 325). This powder serves as a versatile filler for rubber, plastic, and resins, providing weight, magnetic properties, and metal detection capabilities. It is FDA-compliant for food contact applications and suitable for use in cosmetics. Additional applications include magnetic pigments, sintered products, powder metallurgy, chemical reactions, soft magnetic composite compounds, magnetism experiments, forensic products, and magnetic paints. IRON325AT is particularly suitable for cold casting high-precision small objects and MIM (Metal Injection Molding) or P&S (Press & Sinter) applications.

Specifications

Applications and Benefits:

• Filler for rubber, plastic, and resins
• Magnetic pigments and paints
• Food contact and cosmetic applications
• Powder metallurgy and sintering
• Soft magnetic composite compounds
• Chemical reactions and magnetism experiments
• Forensic products
• Cold casting delicate, high-precision objects

Caution:

This product conforms to FDA 177.2600A-H and is safe for food contact. Handle with care. Review the Material Safety Data Sheet (MSDS) for safety and handling instructions.

Synthetic Beeswax Pastilles

These Synthetic Beeswax Pastilles are expertly formulated to closely replicate the properties of natural beeswax. Ideal for a wide range of applications, they are derived from non-animal sources, making them an excellent choice for environmentally conscious and vegan-friendly formulations.

Compatibility:
Plant, Animal and Mineral Waxes; Fatty Acids, Fatty Alcohols, Glycerides, Hydrocarbons, Synthetic Waxes and most other Waxes, Resins and Oils.
CAS#: 71243-51-1
EINECS#: 275-286-5

Key Features

• Plant-based and vegan-friendly
• High compatibility with other waxes and resins
• Consistent melting point and chemical values
• Wide range of applications in personal care and industrial products
• Non-animal raw material source

Product Specifications

Similar Products

• Plant-based wax pellets for cosmetics
• Natural soy wax flakes for candles
• Organic carnauba wax for polishes
• Eco-friendly candelilla wax beads
• Vegetable-based emulsifying wax for lotions

Test Tube Brush 18mm

Looking for a reliable and efficient way to clean your test tubes? Look no further than our Test Tube Brush 18mm in diameter, you'll have plenty of tools to keep your lab equipment in top condition. These brushes are made from high-quality materials and designed to provide thorough cleaning without damaging delicate glass surfaces. Whether you're a professional scientist or a hobbyist, our Test Tube Brush Pack is the perfect choice for all your cleaning needs.

Test Tube Holder, Cross Pattern

The Test Tube Holder, Cross Pattern is an essential tool for any laboratory. Made from rolled brass strip with a spring clip, this holder is designed to handle test tubes ranging from 12 to 40 mm in outer diameter. The holder is mounted in a polished wooden handle, providing a comfortable grip during use. With an overall length of about 220mm, this holder is perfect for handling test tubes of various sizes. Whether you're a professional chemist or a student conducting experiments, the Test Tube Holder, Cross Pattern is a must-have tool for any laboratory.

Wooden Test Tube Rack

This Wooden Test Tube Rack is perfect for holding test tubes right side up or upside down for drying. Made of kiln dried wood, it has 4 openings of 19 mm diameter, 2 openings of 25 mm diameter and six drying pins. The rack measures 225 x 71 x 92 mm and is oil finished, making it both functional and aesthetically pleasing. Whether you're a scientist or simply someone who enjoys experimenting with chemicals, this test tube rack is a must-have for any laboratory.

Thermocouple Thermometer (-50C To 1300C)

This Thermocouple Thermometer is a high-precision device that measures temperatures ranging from -50C to 1300C. It is designed to be used in various industries such as food, HVAC, and manufacturing. The device comes with a durable thermocouple probe that can withstand high temperatures and is easy to clean. With its large LCD display, the thermometer provides accurate readings in both Celsius and Fahrenheit. Whether you're a professional chef or a technician, this thermometer is an essential tool for any job that requires accurate temperature measurements.