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Polyvinyl alchol (PVA) 98% hydrolised AR 500g - BULK PURCHASE | MOQ 10 SETS
Availability:
In Stock
Condition:
New
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Key Features

  • MOQ 10 SETS
  • Degree of Hydrolysis: 98% hydrolyzed, indicating a high conversion rate from polyvinyl acetate to polyvinyl alcohol, which enhances the polymer's crystallinity and water resistance.
  • Molecular Weight: High molecular weight, typically ranging from approximately 31,000 to 50,000 g/mol, contributing to the polymer's viscosity and film-forming capabilities.
  • Physical Form: Generally available as a white to off-white granular powder, facilitating ease of handling and dissolution.
  • Solubility: Soluble in water; higher degrees of hydrolysis require elevated temperatures for dissolution. For 98% hydrolyzed PVA, heating to around 96°C is necessary to achieve complete solubility.
  • Viscosity: A 4% aqueous solution at 20°C typically exhibits a viscosity of approximately 6 centipoise (cP), indicating moderate thickness suitable for various applications.
  • Melting Point: Exceeds 220°C, reflecting the polymer's thermal stability.

Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer characterized by its excellent film-forming, emulsifying, and adhesive properties. The designation "98% hydrolyzed" indicates that 98% of the acetate groups in polyvinyl acetate have been converted to hydroxyl groups, resulting in a polymer with increased crystallinity and water resistance. The "AR" grade signifies Analytical Reagent quality, suitable for high-precision laboratory applications.


Technical Details:

UPC: chem-0000452
Seller SKU: chem-0000452
Condition: New
Availability: In Stock
Minimum order quantity: 10
Date first listed on Zandaux: Jan 7, 2025

Polyvinyl alcohol (PVA) is a water-soluble synthetic polymer characterized by its excellent film-forming, emulsifying, and adhesive properties. The designation "98% hydrolyzed" indicates that 98% of the acetate groups in polyvinyl acetate have been converted to hydroxyl groups, resulting in a polymer with increased crystallinity and water resistance. The "AR" grade signifies Analytical Reagent quality, suitable for high-precision laboratory applications.

KEY FEATURES:

  • Degree of Hydrolysis: 98% hydrolyzed, indicating a high conversion rate from polyvinyl acetate to polyvinyl alcohol, which enhances the polymer's crystallinity and water resistance.

  • Molecular Weight: High molecular weight, typically ranging from approximately 31,000 to 50,000 g/mol, contributing to the polymer's viscosity and film-forming capabilities.

  • Physical Form: Generally available as a white to off-white granular powder, facilitating ease of handling and dissolution.

  • Solubility: Soluble in water; higher degrees of hydrolysis require elevated temperatures for dissolution. For 98% hydrolyzed PVA, heating to around 96°C is necessary to achieve complete solubility.

  • Viscosity: A 4% aqueous solution at 20°C typically exhibits a viscosity of approximately 6 centipoise (cP), indicating moderate thickness suitable for various applications.

  • Melting Point: Exceeds 220°C, reflecting the polymer's thermal stability.

  • Density: Approximately 1.29 g/cm³, consistent with other high-molecular-weight polymers.

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