Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Jully TDI-80 Curing Agent

Jully TDI-80 Curing Agent is a premium aliphatic polyisocyanate hardener from Jully’s TDI series, specifically formulated for high-performance coatings and adhesives. It offers excellent weather resistance, fast curing at room temperature, low viscosity, and superior gloss retention. Compatible with hydroxyl-functional resins, it ensures robust crosslinking, enhanced chemical resistance, and minimal yellowing—ideal for automotive refinishes, industrial topcoats, and specialty composites requiring durability and clarity.
  • jully tdi 80 curing agent_d550b072
  • jully tdi 80 curing agent_d550b072

Features Of Jully TDI-80 Curing Agent

  1. High reactivity with polyols, enabling rapid gelation and short demold times in cast elastomer and coating systems.

  2. Excellent compatibility with aromatic and aliphatic polyether/polyester polyols for consistent formulation stability.

  3. Low volatility and controlled exotherm profile, supporting safer handling and improved processing control.

  4. Enhanced mechanical properties in cured products, including superior tensile strength and abrasion resistance.

  5. Consistent batch-to-batch quality ensured through strict ISO 9001-certified manufacturing and analytical verification.

Typical Applications Of Jully TDI-80 Curing Agent

  1. Cast polyurethane elastomers for industrial rollers, mining screens, and hydraulic seals.

  2. High-performance polyurethane coatings for concrete flooring, tank linings, and corrosion protection.

  3. Reaction injection molding (RIM) components in automotive and agricultural equipment housings.

  4. Flexible and semi-rigid polyurethane foams requiring precise cure kinetics and dimensional stability.

  5. Adhesives and sealants demanding fast green strength development and long-term bond integrity.

Specifications Of Jully TDI-80 Curing Agent

Chemical TypeAromatic diisocyanate-based curing agent (80% TDI-2,4 / 20% TDI-2,6)
Product FormLiquid
AppearanceClear, pale yellow to amber liquid
Isocyanate Content (NCO %)13.5–14.2%
Specific Gravity (25°C)1.20–1.23 g/cm³
Viscosity (25°C)150–250 mPa·s
Storage StabilityStable for ≥12 months at 15–25°C in sealed, dry containers
Primary ApplicationsCasting, coating, RIM, and adhesive systems requiring balanced reactivity and performance


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