English
Español
tiếng việt
русский
High reactivity with standard peroxide initiators for rapid gelation and efficient production cycles.
Excellent mechanical strength and dimensional stability after curing, ideal for structural composites.
Low styrene emission formulation supporting improved workplace safety and regulatory compliance.
Superior weather resistance and UV stability for long-term outdoor performance.
Consistent batch-to-batch reproducibility ensuring reliable processing in automated manufacturing lines.
Fiberglass-reinforced plastic (FRP) tanks and vessels for chemical storage.
Marine hulls, decks, and superstructures requiring corrosion resistance and impact resilience.
Wind turbine blade shells and structural components in renewable energy systems.
Automotive body panels and under-hood components demanding thermal and chemical durability.
Architectural cladding, roofing systems, and decorative panels exposed to harsh environmental conditions.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid, ready-to-use |
| Appearance | Clear to pale yellow viscous liquid |
| Viscosity (25°C) | 350–450 mPa·s |
| Acid Value | 16–20 mg KOH/g |
| Gel Time (with 1% MEKP, 25°C) | 12–18 minutes |
| Reactive Diluent | Styrene (35–40% w/w) |
| Storage Stability (25°C) | ≥6 months in sealed container |
Q1: What is the primary application of Kingchem LTW Polyester Resin?
A: Kingchem LTW Polyester Resin is specially formulated for low-temperature curing applications in fiber-reinforced composites, particularly suited for ambient or mildly elevated temperature laminating and casting processes where heat-sensitive substrates or energy efficiency are key considerations.
Q2: How does LTW differ from conventional unsaturated polyester resins?
A: The LTW grade features a modified reactive profile that enables effective crosslinking at reduced temperatures—typically below 60 °C—without compromising final mechanical integrity or chemical resistance. This makes it especially valuable for large-part fabrication, repair work, or applications where thermal distortion must be minimized.
Q3: Which initiators are recommended for optimal performance with Kingchem LTW?
A: Standard methyl ethyl ketone peroxide (MEKP) formulations are compatible, but low-temperature-specific accelerators—such as cobalt naphthenate or tertiary amine types—are typically used to ensure reliable gel time and full cure development under mild conditions. Initiator selection should be validated based on ambient humidity, substrate, and desired working time.
Q4: Can Kingchem LTW Polyester Resin be used in contact with food or potable water?
A: Kingchem LTW Polyester Resin is not certified for direct food-contact or potable water applications. It is intended for industrial composite manufacturing, including marine, construction, and transportation components. Regulatory compliance for specific end-use environments must be confirmed separately through qualified testing and local authority requirements.
Q5: Is post-cure required to achieve full property development?
A: While Kingchem LTW achieves functional strength at ambient or low-elevated temperatures, a controlled post-cure step—typically between 60 °C and 80 °C for several hours—may be applied to further enhance thermal stability, hardness, and long-term chemical resistance, depending on the performance demands of the final part.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
