Description

PVA 2099 Technical Parameters

ITEM	UNIT	SPECIFICATION
Viscosity	cps	35.0-48.0
Hydrolysis	mol %	99.0-100.0
Volatile	wt %	7.0 Max
Ash	wt %	0.5 Max
pH Value	—	5.0-7.0

PVA 2099 Application

PVA 2099 is a medium-viscosity fully hydrolyzed polyvinyl alcohol. Boasting exceptional adhesive strength and well-balanced viscosity, this universal industrial additive finds extensive application in textile treatment, papermaking, emulsion polymerization, functional film production, coating manufacturing and adhesive formulation.

Used for textile industry

PVA 2099 serves as a premium warp sizing agent. It creates compact, rigid and abrasion-resistant protective coatings on yarn surfaces, which drastically cut yarn breakage, lint fly and friction loss during high-speed weaving. Featuring moderate permeability and easy desizing, it leaves no rigid residual film and has no negative impact on downstream textile finishing and dyeing processes.

Additionally, it serves as a textile-finishing auxiliary. It boosts fabric stiffness, surface smoothness and dimensional stability; optimizes internal fiber arrangement; elevates wrinkle resistance and shaping performance; and delivers a consistent, silky hand feel to finished textiles.

Used for paper industry

Acting as a high-efficiency surface sizing agent for multiple paper grades, PVA 2099 forms continuous, compact and water-resistant barrier films on paper surfaces. It greatly upgrades paper surface strength, rigidity and air impermeability, as well as water and abrasion resistance. For cultural paper, packaging paper and coated paper, it delivers sharper printing definition, uniform ink absorption and superior overall surface finishing quality.

Owing to outstanding film toughness and robust bonding capacity, it is also an ideal feedstock for eco-friendly waterborne paper adhesives. It delivers long-lasting stable adhesion for paper lamination, carton bonding, paperboard composite and all paper packaging goods. The fully cured adhesive layer features high transparency, flexible texture and outstanding anti-aging performance, securing permanent bonding stability for paper products.

Used for emulsifiers and protective colloids

PVA 2099 acts as an efficient emulsifier and a high-stability protective colloid for PVAC, acrylic and diverse composite emulsion polymerization systems. It uniformly encapsulates dispersed monomer particles, efficiently suppressing coagulation, flocculation, layering and sedimentation both during polymerization and long-term storage. It stabilizes emulsion viscosity and system homogeneity and remarkably improves the flexibility, water resistance and weather durability of dried emulsion films.

Used for thermosetting resin modifier

PVA 2099 is an outstanding modifying additive for thermosetting resins, including phenolic resin and urea-formaldehyde resin. It effectively enhances the flexibility and ductility of the cured resin, reduces brittleness and the risk of cracking, and optimizes the curing rate and moldability. Meanwhile, it elevates the bonding strength, weather resistance and structural stability of the modified resin and lowers the free formaldehyde content to achieve low-carbon, eco-friendly resin formulations.

Used for industrial dispersants

Possessing remarkable surface activity and homogeneous dispersing power, PVA 2099 functions as a universal industrial dispersant for inorganic pigments, fillers and fine powders. It lowers particle surface tension, prevents powder agglomeration and sedimentation, improves suspension uniformity and stability and optimizes overall dispersion performance in coatings, ceramics, chemical powders and other industrial systems.

Used for high-performance coatings and adhesives

PVA 2099 is a core functional additive for water-based industrial coatings and green adhesives. It offers excellent thickening, leveling, anti-settling and film-forming effects, significantly improving coating workability, surface smoothness and hardness, while strengthening coating water resistance and outdoor durability. Within adhesive systems, it greatly enhances cohesive strength, transparency and long-term storage stability of waterborne glues.