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Low-viscosity polyvinyl alcohol for textile stiffening and paper sizing.
Medium-viscosity, fully hydrolyzed polyvinyl alcohol with excellent film properties.
SELVOL 205 Polyvinyl Alcohol, PVOH688
SELVOL 205 is a low-viscosity, easy-to-dissolve polyvinyl alcohol, commonly used as a stiffener or sizing agent for textiles and paper. This off-white granular solid exhibits excellent thermal and light stability, making it suitable for various industrial applications. The viscosity of a 4% solution is between 5.2 and 6.2 cps.
Product Specifications
| Appearance | Off-white granular solid |
| Viscosity (4% solution) | 5.2 - 6.2 cps |
| Refractive Index (nD at 20ºC) | 1.52 - 1.55 |
| Specific Gravity | 1.27 - 1.31 |
| Specific Heat (J/g K) | 1.65 - 1.67 |
| Thermal Conductivity (W/m C) | ~2 |
| Coefficient of Thermal Expansion (0-45ºC) | 7 - 10 x 10-5 / ºC |
| Glass Transition Temperature | 58ºC |
| Melting Point | 180ºC |
| Electrical Resistivity (Ω cm x 107) | 3.1 - 3.8 |
Applications and Benefits:
- Textile stiffener
- Paper sizing agent
- Industrial applications requiring low-viscosity PVA
- Excellent thermal and light stability
Caution:
Handle according to standard safety procedures. Refer to the Safety Data Sheet for detailed information.
Cotton Cellulose Paper
The Cotton Cellulose Paper is a highly absorbent paper made of 100% pure cotton. It can be used as both a chromatography paper and filter paper. As a high-quality filter paper, it can filter solids as small as 2.5 um. It can also be used as chromatography and electrophoresis paper with water and a variety of solvents. The paper comes in a 50cm x 50cm sheet folded for simplified shipping. This paper is perfect for those looking for a reliable and versatile option for their chromatography and filtration needs.
Product Specifications:
| Material | 100% pure cotton cellulose |
| Dimensions | 50cm x 50cm sheet, can be cut into 75 or more chromatography strips (3/4" x 6" or 2 cm x 15 cm) |
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
CAUTION: Handle the Cotton Cellulose Paper with care as it can filter solids as small as 2.5 um. Use appropriate protective gear when handling.
Perfect for:
- Scientists and researchers in the fields of chemistry and biology
- Lab technicians and professionals working in the pharmaceutical industry
- Students studying chromatography and electrophoresis
- Individuals conducting experiments and research in their home labs
Similar Products
- Cellulose Filter Paper
- High-Quality Chromatography Paper
- 100% Cotton Filter Paper
- Ultra-Fine Filter Paper
- Chromatography and Electrophoresis Paper
Guar Gum
Guar gum is a natural food thickener and stabilizer that is derived from the guar bean. It is commonly used in the food industry to improve the texture, viscosity, and shelf life of products such as ice cream, yogurt, and salad dressings. Additionally, guar gum has potential health benefits such as reducing cholesterol levels and aiding in digestion. Its versatility and health benefits make it a popular ingredient in many food products.
Key Features:
- 100% pure guar gum
- Naturally gluten-free
- Thickens and stabilizes food and beverages
- Improves texture and mouthfeel
- Can be used in a variety of recipes
- Sourced from sustainable farms
Product Specifications:
| Product Name: | Guar Gum |
| Type: | Guar |
| Form: | Powder |
| Color: | Off-white to yellowish-white |
| Odor: | Odorless or slightly characteristic |
| Solubility: | Soluble in hot or cold water |
| Viscosity: | 3500 - 8000 cps (1% solution at 25?C) |
Similar Products
- Xanthan Gum
- Agar Agar
- Carrageenan
- Locust Bean Gum
- Carob Gum
Note: These are similar products used as thickeners and stabilizers in various industries such as food, pharmaceuticals, and cosmetics. Each product has different properties and uses, so research is required to find the best fit for your specific application.
Caution: Guar gum may cause allergic reactions in some individuals. Use with caution and consult a healthcare professional if necessary.
Perfect for:
- Food manufacturers looking for a natural thickening agent
- Individuals with gluten intolerance or allergies looking for a gluten-free alternative
- Vegetarians and vegans looking for a plant-based alternative to animal-derived thickeners
- Pharmaceutical companies looking for a binder or disintegrant in tablets and capsules
- Paper and textile industries looking for a sizing agent or a dye thickener
- Oil and gas companies looking for a drilling mud additive
Ph Paper Roll, Universal And Special Ranges
Our Ph Paper Roll is a versatile product that can be used for a variety of purposes. Whether you need to test the acidity or alkalinity of a solution, this ph paper roll can help you get accurate results. The paper comes in both universal and special ranges, with multiple ph ranges. This makes it suitable for a wide range of applications, from scientific experiments to industrial processes. The ph paper roll is easy to use and provides quick and reliable results, making it an essential tool for anyone who needs to test ph levels on a regular basis.
Product Specifications
| Product Name: | Ph Paper Roll |
| Type: | Universal and Special |
| Ranges: | 0.3-2.3, 0.0-6, 1.7-14, 1-14, 2-9, 3.6-6.1, 4.5-10, 5.1-7.2, 6.0-7.7, 7-14, 7.5-9.5, 7.9-9.8 |
| Paper: | Universal |
| Special: | Ranges 0.3-2.3 |
| Weight: | 22gr |
Applications and Benefits:
- Laboratory technicians
- Science students
- Chemical engineers
- Research facilities
- Medical professionals
- Water treatment plants
Caution:
Not for direct human consumption. Handle with care.
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.
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