English
Español
tiếng việt
русский
High reactivity with standard styrene monomers for rapid gelation and efficient production cycles.
Excellent mechanical strength and dimensional stability in cured composites.
Good chemical resistance to dilute acids, alkalis, and common solvents at ambient temperatures.
Low viscosity (25°C) enabling easy handling, impregnation, and fiber wet-out in reinforced applications.
Consistent batch-to-batch performance ensured by strict in-process quality control and ISO-certified manufacturing.
Fiberglass-reinforced plastic (FRP) tanks and vessels for water treatment and chemical storage.
Marine hulls, decks, and structural components requiring impact resistance and weatherability.
Automotive body panels and under-hood components where thermal stability and surface finish are critical.
Industrial grating, ductwork, and corrosion-resistant linings in wastewater infrastructure.
Wind turbine blade substrates and structural cores in medium-performance composite assemblies.
| Chemical Type | Unsaturated orthophthalic polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow, homogeneous liquid |
| Viscosity (25°C) | 350–450 cP |
| Acid Value | 18–22 mg KOH/g |
| Reactive Diluent | Styrene (35–40% w/w) |
| Gel Time (100 g, 25°C, 1.5% MEKP) | 12–16 minutes |
| Storage Stability (25°C) | ≥6 months in sealed container |
Q1: What is the primary application field for YTMS-202 Polyester Resin?
A: YTMS-202 is specifically formulated for use in high-performance unsaturated polyester systems, particularly in fiber-reinforced composites such as pultrusion, filament winding, and sheet molding compound (SMC) applications where enhanced mechanical integrity and consistent cure behavior are required.
Q2: How does YTMS-202 differ from standard orthophthalic polyester resins?
A: YTMS-202 features a modified backbone structure that delivers improved hydrolytic stability and reduced exotherm during curing, resulting in better dimensional control and lower internal stress in thick-section laminates compared to conventional ortho-based resins.
Q3: Which initiators and accelerators are compatible with YTMS-202?
A: YTMS-202 is fully compatible with standard organic peroxides (e.g., MEKP, BPO) and cobalt-based accelerators. Cure profiles can be fine-tuned using low-temperature or high-temperature initiator systems depending on processing requirements.
Q4: Is YTMS-202 suitable for outdoor applications requiring UV resistance?
A: While YTMS-202 itself is not inherently UV-stable, it performs well in pigmented or filled formulations when combined with appropriate UV absorbers and HALS stabilizers—making it suitable for durable exterior composite parts when properly formulated.
Q5: What viscosity range can be expected for YTMS-202 at 25°C?
A: YTMS-202 exhibits medium-to-low viscosity in its neat form, typically ranging between 200–800 cP at 25°C, supporting good wet-out of reinforcements without requiring excessive dilution.
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
