The application of polyether polyols for sealants is mainly reflected in their excellent physical properties and chemical stability, making them an ideal material for preparing high-performance sealants. Polyether polyols contain multiple hydroxyl groups in their molecular structure, which gives them good reactivity and adhesion properties. By reacting with reactants such as isocyanates, sealants with high adhesion, high elasticity and aging resistance can be prepared.

Advantages

Polyether polyols for sealants has good sealing and flexibility.
Polyether Polyol for CASE used for adhesives exhibit enhanced hydrolytic stability and excellent resistance to weak acids.

Advantages of polyether polyols for sealants:
In sealants, the main advantages of polyether polyols include:

‌Excellent physical properties‌: sealants prepared from polyether polyols have high adhesion, high elasticity and aging resistance.
‌Chemical stability‌: good water resistance and oil resistance, making sealant products have excellent durability and stability.
‌Reactivity‌: Contains multiple hydroxyl groups, can undergo a variety of chemical reactions with other compounds, and is suitable for a variety of sealant formulations‌.

Characteristics

‌Molecular weight‌: Polyether polyols for sealants generally have a high molecular weight, which provides them with good physical and chemical properties in various applications.
‌Viscosity‌: Polyether polyols have a low viscosity, making them easy to process and apply‌1.
‌Reactivity‌: Due to the presence of multiple hydroxyl groups, polyether polyols have high reactivity and can undergo a variety of chemical reactions with other compounds.
‌Water resistance and chemical corrosion resistance‌: Polyether polyols have excellent water resistance and chemical corrosion resistance, which is especially important for coatings and sealants.
‌Low temperature flexibility‌: Under low temperature conditions, polyether polyols can maintain good elasticity and flexibility, so that their application performance in cold climates is not affected.

Applications

‌Sealants‌: Polyether polyols are used to produce sealants with excellent weather resistance and elasticity. These sealants are often used in joints of buildings, door and window seals of cars, etc. to prevent the penetration of moisture, air and dust. ‌

Coatings‌: In the coatings industry, polyether polyols, as a key component of high-performance polyurethane coatings, can significantly improve the wear resistance, weather resistance and adhesion of coatings, and are widely used in the exterior coatings of automobiles and industrial equipment. ‌

Adhesives‌: In the field of adhesives, polyether polyols are an ideal choice for high-performance adhesives due to their excellent flexibility and bonding strength. They are widely used in the bonding of materials such as wood, metal, and plastic.

properties

Item	Colour(APHA)	OHV(mgKOH/g)	Viscosity(mPa.s/25ºC)	H2O content(%)	Acid Value(mgKOH/g)	PH	K+(mg/Kg)	Degree of unsaturation(mol/Kg)	Application
BQ8107	≤50	8.85-9.85	5000-9000	≤0.02	≤0.05	5.0-7.0	-	≤0.01	Used for polyurethane elastomers, adhesives, sealants etc.
BQ8109	≤100	435-465	350-500	≤0.08	≤0.08	5.0-7.0	≤8	-	Cross linking agent for rigid foam or elastomer, foam glue, polyurethane coating etc.

Handling

Avoid contact with skin and eyes.

Avoid inhalation of vapour or mist.

Keep away from sources of ignition - No smoking.

Take measures to prevent the build up of electrostatic charge.

Packing

The rigid polyurethane foam packed in galvanized steel drum;

each drum is 200kg in net weight.

Pallet tank, flexitank, or car tank also can be accepted

Need pay attention to ventilation, coolness, and dryness, avoid sunlight and rain

keep away from water and heat source. During the storage and transportation.

Except Polyether polyols for sealants,we also supply other polyether polyol for CASE(Coatings, Adhesives, Sealants, and Elastomers) ,please kindly contact us .

product-1000-312