What is the Difference/Aplications between PVA 0588&2088?

Uncategorized /

The Difference between PVA 0588 and 2088 The difference between 2088 and 0588 is the viscosity. The viscosity of PVA2088 is between 1788 and 2488. PVA0588 has the lowest viscosity, with a viscosity of about 5, while 2088 is above 30. So when you use or buy, you can choose between the two products according to your needs。 What’s PVA 20-88? Product Details General properties Chemical Name: Polyvinyl Alcohol Synonym: PVA CAS NO.:9002-89-5 Molecular Formula: (C2H4O)n Flash Point:79℃ Water Solubility: Soluble in hot water Technical Data New Standard Title 088-35 Viscosity (mPa.s) 29.0～34.0 Volatile  (wt%) ≤5 Ash  (wt%) ≤0.3 pH 5.70 Purity (wt%) ≥93.5 What’s PVA 05-88? Product Details General …

What is the Difference/Aplications between PVA 0588&2088? 続きを読む “

How to Select Difference Water Retaention of HPMC in Gypsum

Uncategorized /

The dosage of HPMC(hydroxypropyl methylcellulose) in different applications is different, mainly determined by the need for water retention. Hydroxypropyl methylcellulose is suitable for various mortars. Water retaining agents are commonly used in building powder materials such as plastering gypsum, bonding gypsum, caulking gypsum, and gypsum putty. The dosage is generally 0.1%~0.2% (accounting for the amount of gypsum). When gypsum slurry is used for walls with strong water absorption and for the preparation of bonding gypsum, caulking gypsum, surface plastering gypsum or surface thin putty, the dosage of water retaining agent needs to be larger (generally 0.2%~0.5%). Although water retaining agents such as hydroxypropyl methylcellulose (HPMC) and methylcellulose (MC) are cold-soluble, they will form lumps when directly dissolved in …

How to Select Difference Water Retaention of HPMC in Gypsum 続きを読む “

What is the role of polyvinyl alcohol 2488 in construction mortar?

ポリビニルアルコール 2488 /

The role of polyvinyl alcohol 2488 in construction mortar mainly includes improving flexibility, water retention, increasing viscosity, reducing friction, and preventing cracking and peeling. Specifically:Improve flexibility and water retention: Polyvinyl alcohol 2488 used together with cellulose ether water retention agent can significantly improve the flexibility and water retention of cement mortar and gypsum building materials, thus improving the viscosity of mortar.Reduces friction and enhances work efficiency and quality: Polyvinyl alcohol 2488 reduces the friction of mortar and thus enhances work efficiency and quality, prevents cracking and peeling of plaster layers, and increases adhesion strength and smoothness.Improve adhesive strength: the adhesive strength of polyvinyl alcohol 2488 is 2.5-3 times higher than …

What is the role of polyvinyl alcohol 2488 in construction mortar? 続きを読む “

What are the roles of hydroxypropyl methyl cellulose (HPMC) in wall putty?

セルロースエーテル /

The role of hydroxypropyl methyl cellulose (HPMC) in wall putty mainly includes the following aspects:Water retention effect: HPMC can prolong the drying time of putty powder and prevent dehydration and cracks caused by too fast water loss. It can make putty powder dry slower and assist the reaction of gray calcium under the action of water, thus enhancing the adhesion of putty.Thickening effect: HPMC can thicken and keep the solution uniformly up and down, play the role of suspension, and at the same time, anti-sagging. This thickening effect helps to improve the construction performance of putty and make it smoother during application.Lubrication: HPMC has a lubricating effect, which can make …

What are the roles of hydroxypropyl methyl cellulose (HPMC) in wall putty? 続きを読む “

The role of dispersible latex powder in anti-cracking mortar?

RDP VAE / /

The role of dispersible polymer powder in anti-cracking mortar mainly includes improving the bond strength, flexibility, water resistance and anti-cracking properties of mortar. Specifically, dispersible polymer powder is a kind of polymer, by improving the bonding and strength of the material, so that it has better water resistance, impermeability and anti-cracking properties. Improvement of water resistance and crack resistanceRedispersible latex powder can significantly improve the water resistance and anti-cracking properties of mortar. The net film structure formed by the polymer closes the holes and cracks in the cement mortar and reduces the porosity in the hardened body, thus improving the impermeability, water resistance and frost resistance of the cement mortar.

What is the role of hydroxypropyl methyl cellulose in detergents?

セルロースエーテル / /

Hyloxypropyl methyl cellulose (HPMC) has multiple functions, mainly including thickening, stabilization, decontamination and preventing dirt re-deposition. Specifically:Thickening effect: HPMC has a good thickening effect, which can effectively improve the viscosity of detergent, make the detergent easier to control, reduce waste, and improve the washing effect..Stability enhancement: HPMC can significantly improve the stability of detergents. Its excellent suspension and emulsification properties ensure the uniform dispersion of detergents and prevent the occurrence of precipitation and stratification..Improvement of decontamination ability: Adding HPMC detergent can help improve decontamination ability. The viscosity of HPMC helps the detergent to better adhere to the stains, thus decomposing and removing stains more effectively..In addition, HPMC is also widely …

What is the role of hydroxypropyl methyl cellulose in detergents? 続きを読む “

The role of polypropylene staple fibers in mortar?

PPファイバー / /

The role of polypropylene staple fiber in mortar mainly includes the following aspects: Prevent shrinkage cracks: Polypropylene staple fibers prevent shrinkage cracks in concrete (mortar) and ensure structural stability. These fibers form a three-dimensional chaotic structure in the mortar that locks in internal moisture and enhances grip, thus maintaining structural integrity and avoiding dispersion into fragments due to impact. Improved impact strength and peel resistance: Polypropylene staple fibers significantly improve the impact strength and peel resistance of the mortar, and enhance the durability of the mortar. The fibers form a web-like reinforcement system in the mortar, absorbing impact energy and preventing mortar spalling. Freeze-thaw resistance: Polypropylene staple fibers enhance the …

The role of polypropylene staple fibers in mortar? 続きを読む “

The role of PVA2488 in construction materials

ポリビニルアルコール 2488 /

PVA2488 has a variety of important roles in construction materials, mainly including improving adhesion, enhancing hardness, improving film-forming properties, and increasing tensile strength. Specifically: Improve bonding and enhance hardness: PVA2488 can significantly improve the bonding of mortar putty powder and enhance hardness, making it easy to sand.Improvement of film-forming property: In architectural coatings, PVA2488 can significantly improve the film-forming property, making the surface of the coating more dense, high hardness, bright and more resistant to scrubbing. Increased tensile strength: PVA2488 has excellent tensile strength, which increases the tensile strength and durability of the material.Reduce friction and enhance work efficiency: Used together with cellulose ether water retention agent, it can significantly …

The role of PVA2488 in construction materials 続きを読む “

What is the role of redispersible latex powder in the building?

Uncategorized /

Re-dispersible latex powder has a wide range of uses and is mainly used in construction and decoration. Construction adhesives: dispersible polymer powders have important applications in a variety of structural and non-structural construction adhesives, which can improve the adhesion and durability of adhesives. Dry-mixed mortar modification: by adding dispersible latex powder, it can improve the construction performance, fluidity performance and thixotropic and anti-sagging properties of dry-mixed mortar, and enhance its cohesion and water retention. Powder Coatings: In powder coatings, re-dispersible latex powder improves the adhesion and durability of the coating. Construction putty: Adding dispersible latex powder to construction putty can improve its construction performance and water resistance. External wall insulation …

What is the role of redispersible latex powder in the building? 続きを読む “

What is the role of hydroxypropyl methylcellulose in laundry detergent?

セルロースエーテル / /

Hydroxypropyl methylcellulose (HPMC) has various functions in laundry detergents, including thickening, suspension, dispersion, emulsification, color protection, and anti fading. ‌‌ Firstly, HPMC, as a thickener in laundry detergent, can significantly increase its viscosity, making it easier to operate and use. Compared with traditional thickeners, HPMC has better stability and higher viscosity, which can effectively prevent delamination or precipitation of laundry detergent during transportation and storage. Secondly, HPMC also plays the role of a suspending agent in laundry detergent, which can suspend solid particles in the detergent, prevent these particles from settling at the bottom, thereby maintaining the uniformity of the detergent and improving the washing effect. In addition, it can …

What is the role of hydroxypropyl methylcellulose in laundry detergent? 続きを読む “