Polyaspartic Ester ZR5335

Polyaspartic ester ZR5335 is a high-performance, solvent-free resin featuring secondary amino groups that readily react with polyisocyanates, making it ideal for the formulation of a wide range of high-solid or solvent-free coatings. Its low viscosity ensures easy handling and processing, facilitating smooth application even in high-solid formulations.

Compared to other polyaspartic esters such as ZR5210 and ZR5238, its reactivity is between the two, thus exhibiting better toughness.
ZR5335 has exceptionally high reactivity. When combined with NCO-terminated curing agents such as HDI Trimer, it reaches a touch-dry state within 20–30 minutes, significantly improving production efficiency.
The cured coating film has excellent fullness, leveling performance, and high gloss, excellent weather resistance, water resistance, solvent resistance, acid and alkali resistance, salt spray resistance, and other properties. It also has a hardness of up to 2H and excellent wear resistance.
It has excellent adhesion with ABS, PC, PVC, and other plastics and a variety of metals.
ZR5335 shows strong compatibility with most hydroxyl-functional acrylic resins and cellulose acetate butyrate (CAB), allowing seamless integration into diverse coating formulations.

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Parameter	Specification
Relative Molecular Weight	667
Appearance	Light yellow transparent liquid
Solid Content / %	97±2
NH Equivalent (g/mol)	Approximately 334
Amine value (mg KOH/g)	155 ~ 180
Equivalent OH Content / %	5.0 ~ 5.2
Viscosity (mPa.s / 25℃)	1600 ~ 2800
Density / 25℃	1.02 ± 0.02

Packaging: 200 kg steel drum or 25 kg steel drum.
Storage: Store in a cool, dry, and well-ventilated area, away from heat, flames, and direct sunlight. Keep the container tightly sealed. The storage area should be equipped with spill containment and emergency response equipment.
Shelf Life: 12 months when stored in sealed containers under recommended conditions.
Notes: Coatings formulated with this product should ideally be allowed to cure for at least one week before evaluating their performance.

Suitable for formulating various high-grade coatings, including automotive paints, wood coatings, and more, significantly enhancing film fullness, gloss, hardness, and drying speed.
Ideal for producing anti-corrosion coatings for steel structures, oil pipelines, and other light or heavy-duty protective applications.
Can be used in specialty applications such as foam landscaping, concrete waterproofing, and other construction-related materials.
Applicable in the wind blade coating industry for gel coats, putty, and topcoat formulations.

Polyaspartic Ester ZR5335

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