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Polyester Modified Silicone Resin

Polyester Modified Silicone Resin

Chemical Name:Polyester Modified Silicone Resin
Product Category:Silicone Resin Product
Appearance:Colorless transparent to light yellow liquid.
Solid content  %:50±1
Viscosity  s/T-4,25℃:25-75
Drying time:≤2h/200℃
Heat tolerance:>200h/200℃
Loss on heat   3h/250℃,%:≤3

Polyester Modified Silicone Resin Describe

Polyester-modified silicone resin offers excellent high-temperature resistance, water and moisture repellency, and superior electrical insulation. It also provides outstanding corona resistance, weather durability, and chemical stability. Once fully cured, the resin achieves high hardness (≥5H), high gloss, excellent fullness, and exceptional yellowing resistance.

Polyester-Modified Silicone Resin R-3038A

Product Description

R-3038A polyester-modified silicone resin delivers outstanding high-temperature resistance, water repellency, and moisture resistance. It also offers excellent electrical insulation, arc corona resistance, weather durability, and chemical stability. Once fully cured, it achieves high hardness (≥3H), high gloss, superior fullness, and exceptional anti-yellowing performance.

This resin is widely used in high-temperature-resistant coatings, making it ideal for household appliances such as electric rice cookers, ovens, bread makers, irons, range hoods, and gas stoves, as well as for temperature-resistant non-stick coatings and specialty coatings.

Technical Specifications

Index R-3038A
Appearance Light yellow to colorless transparent liquid, slight milkiness allowed, no mechanical impurities
Solid Content 59±1%
Viscosity (25℃) 350~1000 mPa.s
Acid Value ≤9 mgKOH/g
Film Hardness ≥3H

Curing Process

  • High-temperature curing:
    • 250℃ for 20 min
    • 270℃ for 15 min
    • 280℃ for 10 min

Precautions

  • Use only dry, impurity-free solvents. Avoid water, pyridine, and sulfur-containing compounds, as they affect adhesion, drying, and film performance.
  • Ensure proper ventilation. The resin releases volatile, flammable, and toxic solvents such as xylene. Keep away from open flames and enhance workspace ventilation.
  • Maintain cleanliness. Prevent dust, foreign matter, and water contamination during processing.
  • Avoid exposure to acids, alkalis, salts, and amine compounds, as they accelerate curing and impact heat resistance and electrical properties.

Storage & Packaging

  • Storage: Store in a cool, dry, and well-ventilated area, away from direct sunlight, acids, alkalis, and fire sources. Shelf life: 6 months.
  • Packaging: 200kg / 20kg iron drums.

Polyester-Modified Silicone Resin R-3046

Product Description

R-3046 polyester-modified silicone resin offers exceptional high-temperature resistance (250–500°C), water repellency, and moisture resistance. It provides excellent electrical insulation, weather resistance, and chemical stability. This resin can air-dry at room temperature and achieves high hardness (≥1H), good fullness, and high gloss after full curing.

Ideal for use in high-temperature coatings, heat-resistant paints, and weatherproof coatings.

Technical Specifications

Index R-3046
Appearance Light yellow to colorless transparent liquid, slight milkiness allowed, no mechanical impurities
Solid Content 50±1%
Film Hardness ≥1H
Viscosity (No. 4 Cup) 70~150 sec
Acid Value <5 mgKOH/g

Curing Process

  • Air drying at room temperature
  • High-temperature curing:
    • 200℃ for 40 min
    • 250℃ for 20 min (twice)
  • Amino resin can be added to reduce curing time.

Precautions

  • Use only dry, impurity-free solvents. Avoid water, pyridine, and sulfur-containing compounds, as they affect adhesion and drying performance.
  • Ensure proper ventilation. This resin releases volatile, flammable solvents like xylene. Keep away from fire and enhance workspace ventilation.
  • Maintain cleanliness. Prevent contamination by dust, foreign matter, and water during processing.
  • Avoid exposure to acids, alkalis, salts, and amine compounds, as they accelerate curing and may affect heat resistance and electrical properties.

Storage & Packaging

  • Storage: Store in a cool, dry, and ventilated area, away from direct sunlight, acids, alkalis, and fire sources. Shelf life: 6 months.
  • Packaging: 200kg / 20kg iron drums.

Polyester-Modified Silicone Resin R-3072A

Product Description

R-3072A polyester-modified silicone resin offers excellent high and low-temperature resistance, water resistance, and moisture resistance. After full curing, it achieves high hardness (≥5H) and high gloss, making it ideal for durable, heat-resistant coatings.

Technical Specifications

Index R-3072A
Appearance Colorless to light yellow transparent liquid, no mechanical impurities
Viscosity (Closed 4 Cup) 270-500 cst
Solid Content 59±1%
Curing Conditions 250°C for 20 min, 280°C for 10 min
Acid Value 4-8 mgKOH/g
Solvent PMA

Applications

R-3072A is widely used as a base resin for high-temperature-resistant non-stick coatings and decorative coatings in household appliances, including:

  • Frying pans, rice cookers, ovens, toasters
  • Electric irons, range hoods, gas stoves

Storage & Packaging

  • Packaging: 20kg / 200kg iron drums
  • Storage: Store in a cool, ventilated, and dry area, away from direct sunlight, acids, alkalis, fire, and heat sources.
  • Shelf Life: 1 year

olyester-Modified Silicone Resin R-3027

Product Description

R-3027 polyester-modified silicone resin offers outstanding high and low-temperature resistance, water and moisture resistance, and superior anti-yellowing properties. After full curing, it provides high hardness (≥3H), high gloss, and excellent thermal stability, making it ideal for heat-resistant coatings.

Technical Specifications

Index R-3027
Appearance Colorless to light yellow transparent liquid, no mechanical impurities
Viscosity (Closed 4 Cup) 40-80 cst
Solid Content 50±1%
Curing Conditions Surface dry at room temperature, fully cured at 250°C for 20 min
Heat Resistance (Tinplate Sheet, 200°C) ≥200h
Acid Value 4-7 mgKOH/g
Solvent Xylene/CAC

Applications

R-3027 is widely used in high-temperature-resistant coatings (250-550°C), weather-resistant paints, and decorative coatings, offering superior gloss and long-lasting color retention.

Storage & Packaging

  • Packaging: 20kg / 200kg iron drums
  • Storage: Store in a cool, dry, and ventilated area, away from direct sunlight, acids, alkalis, fire, and heat sources.
  • Shelf Life: 1 year

For more information on Class A Polyester Modified Silicone Resin, feel free to contact us online or leave a message. If you require customized Class A Polyester Modified Silicone Resin, Silico Organsilicon can provide tailored solutions to meet your specific needs.

Packaging Specifications

Packaging Specifications

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Polyester Modified Silicone Resin : Guide

Polyester Modified Silicone Resin is widely used in high-temperature coatings, anti-fouling coatings, non-stick coatings, kitchen appliances, and more. It serves as a base resin for various special coatings.

Curing Method:
Self-dries at room temperature. For better hardness, cure at:

  • 220°C for 30 minutes
  • 250°C for 15 minutes
  • 280°C for 10 minutes

Adding 10-15% amino resin improves performance but may cause slight yellowing at high temperatures.