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Medium-viscosity, fully hydrolyzed polyvinyl alcohol with excellent film properties.
Polyvinyl Alcohol 30-99, Elvanol 71-30
PVOH Solution PreparationPVOH 30-99 (Elvanol® 71-30) is a medium-viscosity, fully hydrolyzed polyvinyl alcohol designed for applications requiring high tensile strength, tear resistance, and excellent adhesion to hydrophilic surfaces. This white granular polymer is soluble in hot water and forms transparent films upon evaporation. Insoluble in cold water and common organic solvents, PVOH 30-99 is widely used in the paper, textile, ceramic, and adhesive industries. Key applications include sizing for paper and textiles, ceramic fiber binder, and wallpaper glue. PVOH 30-99 offers excellent film-forming characteristics with superior resistance to tearing and high strength, making it a versatile polymer for coatings, adhesives, and emulsions. It is often applied using brushes, rollers, or spray equipment.
Product Specifications
| Viscosity (4% Solution) | 67 ± 5 cps |
| Hydrolysis Level | Fully hydrolyzed (99%) |
| Average Polymerization | 7150 ± 100 |
| Alcoholysis (mol/mol) | 28–32% |
| Solubility | Soluble in hot water |
Applications and Benefits:
- Binder for paper and textile sizing
- Ceramic fiber binder
- Transparent, high-strength film formation
- Wallpaper glue
- Adhesive and emulsion stabilizer
- Hydrophilic surface adhesion
Caution:
Handle with care according to safety guidelines. Refer to the Safety Data Sheet for detailed handling and storage information.
Tall Glass Beakers 250 mL 10 Pack
These Tall Borosilicate Glass Beakers are essential components of a lab, commonly used for mixing and making solutions. They are made of heavy borosilicate glass with uniform walls and can be placed over direct heat. The beaker has a thick, slightly flared, beaded top with a spout designed for easy pouring. It also has a durable matte finish marking area for use with an ordinary pencil, and an easy-to-read white graduated scale for measuring and mixing liquids.
Key Features:
- Thick, slightly flared, beaded top with excellent pouring characteristics
- Heavy borosilicate glass with uniform walls
- Durable matte finish marking area
- Easy-to-read white graduated scale
- Can be placed over direct heat
Product Specifications:
| Capacity | 250 mL |
| Tall Graduated Interval | 50 to 250 mL |
| Subdivision | 50 mL |
| Capacity | 400 mL |
| Tall Graduated Interval | 100 to 400 mL |
| Subdivision | 100 mL |
Key Features:
- Thick, slightly flared, beaded top with excellent pouring characteristics
- Heavy borosilicate glass with uniform walls
- Durable matte finish marking area
- Easy-to-read white graduated scale
- Can be placed over direct heat
- 250 mL and 400 mL capacity options
Product Specifications:
| Capacity | 250 mL |
| Tall Graduated Interval | 50 to 250 mL |
| Subdivision | 50 mL |
| Capacity | 400 mL |
| Tall Graduated Interval | 100 to 400 mL |
| Subdivision | 100 mL |
Similar Products
- Short Glass Beakers 10 Pack
- Graduated Glass Beakers 12 Pack
- Low Form Glass Beakers 6 Pack
- Heavy Duty Glass Beakers 4 Pack
- Thick Wall Glass Beakers 8 Pack
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Handle with care as these beakers are made of heavy borosilicate glass and can break if dropped or mishandled. Use appropriate protective gear when working with hazardous materials.
Perfect for:
- Lab technicians
- Scientists
- Chemistry students
- Research professionals
- Science enthusiasts
- University laboratories
Tall Glass Beakers 400 mL 10 Pack
These Tall Borosilicate Glass Beakers are essential components of a lab, commonly used for mixing and making solutions. They are made of heavy borosilicate glass with uniform walls and can be placed over direct heat. The beaker has a thick, slightly flared, beaded top with a spout designed for easy pouring. It also has a durable matte finish marking area for use with an ordinary pencil, and an easy-to-read white graduated scale for measuring and mixing liquids.
Key Features:
- Thick, slightly flared, beaded top with excellent pouring characteristics
- Heavy borosilicate glass with uniform walls
- Durable matte finish marking area
- Easy-to-read white graduated scale
- Can be placed over direct heat
Product Specifications:
| Capacity | 250 mL |
| Tall Graduated Interval | 50 to 250 mL |
| Subdivision | 50 mL |
| Capacity | 400 mL |
| Tall Graduated Interval | 100 to 400 mL |
| Subdivision | 100 mL |
Key Features:
- Thick, slightly flared, beaded top with excellent pouring characteristics
- Heavy borosilicate glass with uniform walls
- Durable matte finish marking area
- Easy-to-read white graduated scale
- Can be placed over direct heat
- 250 mL and 400 mL capacity options
Product Specifications:
| Capacity | 250 mL |
| Tall Graduated Interval | 50 to 250 mL |
| Subdivision | 50 mL |
| Capacity | 400 mL |
| Tall Graduated Interval | 100 to 400 mL |
| Subdivision | 100 mL |
Similar Products
- Short Glass Beakers 10 Pack
- Graduated Glass Beakers 12 Pack
- Low Form Glass Beakers 6 Pack
- Heavy Duty Glass Beakers 4 Pack
- Thick Wall Glass Beakers 8 Pack
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Handle with care as these beakers are made of heavy borosilicate glass and can break if dropped or mishandled. Use appropriate protective gear when working with hazardous materials.
Perfect for:
- Lab technicians
- Scientists
- Chemistry students
- Research professionals
- Science enthusiasts
- University laboratories
Tubing Connector, U Shape Glass Id10 Od12 L50 Connector
Looking for a reliable tubing connector? Look no further than our U shape glass Id10 Od12 L50 connector. This tubing connector is designed to securely connect tubing in a variety of applications. Made from high-quality materials, this connector is built to last and is perfect for use in laboratory settings or industrial applications. With its unique U shape design, it provides a secure and tight fit for your tubing. Whether you're working with glass tubing or other materials, this connector is the perfect solution for your needs. Order yours today and experience the difference!
Product Specifications:
| Product Name | Tubing Connector |
| Material | Glass |
| Shape | U Shape |
| Inner Diameter | 10mm |
| Outer Diameter | 12mm |
| Length | 50mm |
Similar Products
- Glass Tubing Connector, L Shape, Id10 Od12 L50
- Tubing Connector, T Shape, Id10 Od12 L50, Stainless Steel
- U Shape Glass Id8 Od10 L50 Tubing Connector
- Glass Tubing, Id10 Od12, 1 Meter Length
- Tubing Connector, Y Shape, Id10 Od12 L50, PVC
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: This product contains glass tubing and may break if mishandled. Please use caution when handling and wear appropriate protective gear.
Perfect for:
- Chemistry students and professionals
- Laboratory technicians and researchers
- Science enthusiasts and hobbyists
- Manufacturing and industrial companies
- Engineering firms and design teams
- Medical and pharmaceutical companies
Wall Thermometer
Introducing our Large Wall Mount Thermometer, perfect for both indoor and outdoor use. With its dual scale, this thermometer is easy to read from a distance, making it ideal for classrooms and public areas. Measuring at 7 inches in diameter, it's the perfect size to display important temperature information. Don't let the weather catch you off guard, keep track of the temperature with our Wall Thermometer.
Product Specifications:
| Product Name | Wall Thermometer |
| Usage | Indoor and outdoor |
| Scale Type | Dual |
| Ease of Reading | Easy to read from distance |
| Ideal For | Classroom and public areas |
| Diameter | 7 inches |
Perfect for:
- Teachers and educators
- Public institutions (libraries, community centers, government buildings)
- Parents monitoring home temperature
- Weather enthusiasts
- Healthcare facilities
- Outdoor enthusiasts
CAUTION: This thermometer is suitable for indoor and outdoor use. Please handle with care and ensure it is mounted securely to avoid any hazards or accidents. Keep out of reach of children.
Watch Glasses, Wine Glass Covers (Pack Of 10) 80mm
These Watch Glasses and Wine Glass Covers are a versatile and practical addition to any laboratory, event, or household, providing a unique way to keep wine glasses and laboratory equipment free from dust, debris, and spills. The pack of 10 covers fits 80mm glasses, making it easy to keep track of drinks and add a touch of elegance to your table setting. Whether you're a wine enthusiast, a laboratory professional, or someone who appreciates unique and practical household items, these glasses and covers are a great choice. Each watch glass is made of durable, transparent glass, is 80mm in diameter, and is reusable after proper cleaning.
Product Specifications
| Product Material | Glass |
| Pack Size | 10 |
| Pack Dimensions | 3x3x1 inches (box size) |
| Product Use | Watch Glasses, Wine Glass Covers, Laboratory Equipment |
| Packaging | Carton box, 3x3x1 inches, 10 units, 280g weight |
| Glass Size | 80mm |
| Product Code | GLWATCH80C |
| Glass Type | Transparent, durable glass |
| Reusability | Reusable after proper cleaning |
Applications and Benefits:
- Wine enthusiasts who want to keep their glasses free from dust and debris
- Laboratory professionals who need to cover laboratory equipment, such as beakers or flasks
- Event hosts who want to add a touch of elegance to their table settings
- People who frequently wear glasses and want to keep them protected from scratches and damage
- Individuals who enjoy collecting unique and practical household items
- Gift-givers looking for a thoughtful and practical present for friends and family
- Scientists and researchers who need to cover samples, such as crystals or precipitates, during experiments
Caution:
Handle with care to avoid breakage or injury. Properly clean and dry the watch glasses after each use to ensure reusability.