Runshine offers a variety of solvent-based polyester resins tailored for wood coatings, covering high molecular weight solid polyester resins, saturated polyester resins, and unsaturated polyester resins. These polyester resins deliver key properties like strong adhesion, flexibility, hardness, chemical resistance, and low-temperature adaptability, with unsaturated polyester resins featuring fast curing—all to meet diverse protective and decorative needs of wood substrates.
Item No :
Polyester ResinApplication :
Used for furniture, cabinets, flooring, decorative wood items, and doors to protect and decorate.Special Feature :
Offers versatile finishes, durability, chemical resistance, strong adhesion/flexibility, and easy processing.Product Overview
Polyester resins are synthetic polymers formed via polycondensation of polybasic acids and polyhydric alcohols. Runshine's polyester resins are highly versatile, allowing customization of hardness, flexibility, and chemical resistance during synthesis to fit wood coating requirements. As core components in wood coatings, polyester resins provide both protection and decoration for wood substrates.
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Key Features
✧Excellent aesthetic performance: Polyester resins can be formulated into various finishes to highlight wood grain, boosting wood products’ decorative appeal.
✧Strong durability: Coatings with polyester resins resist abrasion, scratches, and minor impacts, keeping wood surfaces intact with long-term use.
✧Good chemical resistance: Polyester resins shield wood from household chemicals like detergents and alcohol, preventing surface damage.
✧Superior adhesion and flexibility: Polyester resins bond firmly to wood and accommodate wood’s natural expansion/contraction, avoiding coating cracking.
✧Easy processing: Polyester resins have good flow properties, enabling smooth application via spraying, brushing, or rolling for uniform wood coverage.
|
Parameter |
Typical Value |
Unit |
Notes |
|
Appearance |
Clear to pale yellow liquid |
– |
Visual inspection |
|
Solid Content |
40–100 |
% |
Can be adjusted for formulation |
|
Viscosity (25°C, Brookfield RV) |
15000–25000 |
mPa·s |
Spindle 3, 20 rpm |
|
Hydroxyl Value |
1.5–200 |
mg KOH/g |
Determines reactivity with curing agent |
|
Acid Value |
≤16 |
mg KOH/g |
Low acidity for stability |
|
Density (25°C) |
1.05–1.15 |
g/cm³ |
Typical value |
|
Glass Transition Temperature (Tg) |
-25–150 |
°C |
Affects hardness and flexibility |
|
Recommended Solvents |
Xylene, Ethyl Acetate, Butyl Acetate,MEK etc |
– |
For formulation compatibility |
|
Curing Method |
With isocyanates or amino resins |
– |
2-pack polyurethane or industrial coatings |
|
Shelf Life |
12 |
months |
Stored in sealed containers at 5–35°C |
|
Storage |
Cool, dry place |
– |
Avoid direct sunlight and moisture |
| High molecular weight polyester resin | |||||||||
| Product Name | Solid Content(%) | Tg(℃) | Mn | Visc. (cm3/g) | Structure | AV(Solids) OH | Value(Solids) | Solvent | Properties Application |
| RHEPOL1828 | 40 | 47 | 15000 | 500-1500 mpa.s |
L | 2 | 5 | S-100DBE | high molecular weight saturated poluesterresin,compatiblity,flexibilityalloy. |
| RHEPOL 1830 | 40 | 67 | 15000 | 3200-4800 mpa.s |
L | 4 | 5 | S-150/DBE | high molecular weight saturated poluester resin,high Tg and good compatibility. |
| RHEPOL 1860 | 100 | 105 | 15000 | 55 | L | 2 | 5 | good sterilization resistance,high adhesion | |
| RHEPOL1861 | 100 | 70 | 18000 | 56 | L | 2 | 6 | excellent flexibility and high hardness due toit's high Tg,good corrosion protection;co- binder to improve blockingresistance |
|
| RHEPOL1867 | 100 | 65 | 20000 | 70 | B | 6 | 6 | Excellent flexibility,high hardness,good substrate adhesion and corrosion protection; thinfilm primers |
|
| RHEPOL 1870 | 100 | 40 | 15000 | 64 | L | 2 | 5 | very flexible,high adhesion | |
| RHEPOL1871 | 100 | 40 | 20000 | 64 | B | 4 | 8 | Good reactivity,flexible,high adhesion, suitable as elastifying component | |
| RHEPOL1872 | 100 | 40 | 15000 | 62 | L | 4 | Highly flexible,high adhesion | ||
| RHEPOL1874 | 100 | -23 | 97 | opicdnisfalne povesiei fo themoplosic | |||||
| If need complete polyester resin brochure ,pls contact us |
|||||||||
| Saturated Polyester Resins | |||||||
| Product Name | Solid Content% | Solvent | Visc. | Colour | AV(Solids) | OH Value(Solids) | Properties Application |
| RHEPOL 1809 | 60 | S100/ S100/XYL |
U-W | ≤2 | ≤10 | Chemical resistance and water resistance,Automotive base coat,coloured coating and metallic base coatt | |
| RHEPOL 1853 | 70 | XYL |
≤3 | ≤7 | 80 | Stone-chipping resistance,adhesion,Automotive mid coat,aluminium paint and industrial baking enamel | |
| RHEPOL 1825 | 75 | S150 | 00-2 | ≤3 | ≤8 | 25 | Promote flexibility |
| RHEPOL 1835 | 100 | 3000-4000 | 00-2 | 156 | Formulate two-component coating compounds.Mainly used on concrete and asphalt floors and steel surfaces.Coatinas are touiah and flexible. hard-wearing and chemical-resistant. | ||
| RHEPOL1839 | 55 | MPA/S-100 | 2000-3000 | Max.5 | 72 | High Tg,Excellent chemical resistence. | |
| RHEPOL 1840 | 65 | S-150/BG | 1500-3500 | Max.3 | 36 | Excellent QUVresistance,Suitable for high durable paint. |
|
| If need complete Saturated polyester resin brochure ,pls contact us | |||||||
| Unsaturated polyester resin | ||||||
| Product Name | Solid Content % | Solvent | Visc. | Acid Number | Remarks | Properties Application |
| RHEUPE 1841 | 65 | Styrene |
550-700 | ≤15 | Amine pre- accelerated |
Non thixotropic resin for polyester putties |
| RHEUPE 1842 | 67 | Styrene |
700-900 | ≤15 | Resin addition for increasing elasticity |
|
| If need complete Unsaturated polyester resin brochure ,pls contact us | ||||||
Applications
✧ Furniture finishing: Polyester resins create high-gloss, semi-gloss, or matte finishes for furniture, enhancing visual appeal and protecting wood from daily wear.
✧l Cabinet coating: Applied to kitchen and bathroom cabinets, polyester resins form a barrier against stains from food, water, and cleaning agents, maintaining cabinet quality long-term.
✧ Wooden flooring coating: Polyester resins form wear-resistant and scratch-resistant surfaces on wooden floors, withstanding foot traffic and extending floor life.
✧ Decorative wood product coating: For items like photo frames and wall panels, polyester resins add smooth, attractive finishes while protecting wood from damage.
✧ Wooden door coating: Polyester resins provide durable coatings for wooden doors, resisting moisture, UV rays, and impacts to preserve door structure and appearance.

Benefits

✧Enhances visual value: Diverse finishes and wood grain highlighting make wood products more attractive, increasing their market value.
✧Extends wood service life: The protective layer from polyester resins shields wood from moisture, UV rays, and physical damage, slowing aging and decay.
✧Reduces maintenance costs: Durable polyester resin coatings need less frequent cleaning and upkeep, saving time and money.
✧Resists yellowing: Polyester resins maintain the original color of wood coatings even under UV exposure, eliminating frequent repainting.
✧ Improves work efficiency: Fast-curing polyester resins shorten wood product production cycles, boosting manufacturer productivity.
✧Ensures environmental friendliness: VOC levels of polyester resins can be minimized, meeting environmental standards and reducing harm to health.
✧Adapts to production needs: Suitable for both large-scale industrial wood production and small-scale custom projects, thanks to versatile application methods.
✧Cost-effective: Polyester resins balance performance and cost, providing high-quality protection and decoration without excessive expense.
✧Moisture protection: Prevents moisture penetration, avoiding wood warping, swelling, or rotting—critical for humid environments like bathrooms.
✧Enhances surface smoothness: Fills small wood defects, creating smooth coatings that improve the tactile experience of wood products.


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