English
Español
tiếng việt
русский
Medium-oil-length alkyd resin offering balanced drying speed and film flexibility.
Excellent compatibility with nitrocellulose, PVC plastisols, and common organic solvents.
Provides superior gloss retention and weather resistance in air-dried coatings.
Low viscosity enables high-solids formulation without sacrificing application performance.
Consistent batch-to-batch quality ensured through strict process control and QC testing.
General-purpose industrial maintenance coatings for metal substrates.
Decorative architectural enamels requiring smooth flow and leveling.
Undercoats and primers for automotive refinish systems.
Marine and offshore protective topcoats exposed to humid and saline environments.
Wood finishing varnishes where clarity and amber tone stability are critical.
| Chemical Type | Medium-oil modified alkyd resin (soya oil-based) |
| Product Form | Liquid, solvent-thinned (xylene/toluene blend) |
| Appearance | Clear, pale yellow to amber viscous liquid |
| Non-Volatile Content | 60 ± 2 wt% (at 105°C, 60 min) |
| Viscosity (25°C) | 80–120 Poise (Brookfield RVT, spindle #4, 20 rpm) |
| Acid Value | 6–10 mg KOH/g |
| Density (25°C) | 0.98–1.02 g/cm³ |
| Flash Point (COC) | 42–48°C |
Q1: What is the primary application of Sam Chung 3800-70 Alkyd Resin?
A: Sam Chung 3800-70 is a medium-oil-length alkyd resin designed primarily for solvent-based decorative and protective coatings, including interior/exterior architectural paints, wood finishes, and general-purpose industrial maintenance coatings where good gloss retention, drying performance, and substrate adhesion are required.
Q2: Is this resin compatible with common co-resins and additives used in alkyd formulations?
A: Yes, Sam Chung 3800-70 exhibits broad compatibility with typical alkyd modifiers such as melamine-formaldehyde resins, urea-formaldehyde resins, and acrylic co-polymers. It also works well with conventional driers, rheology modifiers, and UV stabilizers commonly employed in oxidative-drying systems.
Q3: How does Sam Chung 3800-70 perform in terms of drying behavior and film formation?
A: This resin delivers balanced through-dry and surface-dry characteristics typical of medium-oil alkyds, supporting efficient air-drying under ambient conditions. Film formation yields good hardness development over time while maintaining flexibility and resistance to micro-cracking.
Q4: Can it be used in high-solids or low-VOC formulations?
A: While originally formulated for conventional solvent-borne systems, Sam Chung 3800-70 can be adapted to higher-solids versions by careful selection of reactive diluents and blending with low-viscosity resins—though VOC reduction should be validated per regional regulatory requirements and end-use performance targets.
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
