Silicone Resin

Basic Product Information

• Product Name: Silicone Resin
• Chemical Name: Polysiloxane
• Appearance: Colorless Transparent Liquid

Typical Physicochemical Properties

Key Performance & Advantages

Applications

• Coatings Industry
• Architectural Coatings: Used in exterior wall paints to enhance weather resistance, water resistance, and anti-pollution properties, maintaining long-term aesthetic appeal. Also applicable for roof waterproofing coatings to effectively prevent rainwater penetration and extend roof service life.
• Industrial Coatings: Serves as high-temperature and corrosion-resistant coatings in automotive, marine, and machinery sectors, protecting metal components from environmental erosion. For instance, incorporating silicone resin in ship hull coatings improves seawater corrosion resistance and anti-fouling performance.
• Specialty Coatings: Including fire-retardant and insulating coatings. Silicone resin’s excellent insulation properties make it ideal for electrical equipment coatings, while its high-temperature thermal barrier capability provides fire resistance.
• Electronics & Electrical
• Electronic Component Encapsulation: Protects chips and integrated circuits from environmental factors while offering superior electrical insulation and thermal dissipation for stable operation.
• Wire & Cable Insulation: As insulation layer material, delivers outstanding dielectric properties and aging resistance, effectively preventing leakage and short circuits.
• Electrical Equipment Coatings: Enhances insulation, moisture-proofing, and corrosion resistance for extended equipment lifespan.
• Aerospace
• Aircraft Component Manufacturing: Used in wings and fuselages as lightweight, high-strength structural materials with heat resistance, reducing weight while improving performance and fuel efficiency.
• Engine Component Protection: Coatings on high-temperature engine parts provide thermal insulation, oxidation resistance, and corrosion protection for enhanced reliability.
• Spacecraft Surface Treatment: Shields satellites and rockets from UV, cosmic radiation, and micrometeoroid erosion in space environments.
• Mold Manufacturing
• Plastic Molds: Functions as a release agent in injection molds to enable easy demolding, enhance productivity, and deliver superior surface finish.
• Rubber Molds: Prevents rubber adhesion to molds, simplifying maintenance and ensuring molding quality.
• Automotive
• Components: Engine seals and gaskets utilize its high-temperature and oil resistance for reliable performance. Also used in electrical system insulation.
• Exterior Protection: As paint additive, enhances gloss, hardness, scratch resistance, and weather/chemical resistance for lasting appearance.
• Photovoltaics
• Solar Cell Encapsulation: Combines high light transmittance, weather resistance, and insulation to protect cells and improve conversion efficiency.
• PV Module Frame Sealing: Prevents water/dust ingress at borders for enhanced reliability.
• Leather
• Finishing: Imparts softness while improving water/stain resistance and abrasion performance.
• Surface Treatment: Creates uniform waterproof film without compromising breathability.

• 3D Printing
• Printing Materials: Enhances high-temperature resistance, flexibility, or insulation when blended with other materials.
• Mold Surface Treatment: Reduces friction coefficient for easier demolding and improved durability.
• Cosmetics
• Skincare: Forms breathable protective film in lotions/creams for smooth texture.
• Makeup: Improves shine, spreadability, and water/sweat resistance in color cosmetics.
• Crafts
• Imitation Jewelry: Replicates gemstone luster with fade-resistant durability.
• Surface Protection: Preserves artwork from environmental damage while enhancing visual appeal.
• Packaging
• Food Packaging: Enhances moisture/barrier properties without reacting with food contents.
• Pharmaceutical Packaging: Improves chemical resistance and barrier performance for drug protection.
• Marine Engineering
• Ship Anticorrosion: Protects decks and cabins from seawater/salt spray corrosion.
• Offshore Structure Protection: Resists seawater erosion and biofouling on marine installations.

Experimental Data and Case Studies

Experimental Data

Case Studies

• Case 1: PV Encapsulant – Boosting Energy Yield

Issue: Traditional EVA films yellowed in humid heat, causing >2%/year efficiency loss.

Solution: 0.5mm optical silicone encapsulant.

Results:

90% light transmittance after 5 years (vs. 2.1%/year decay with EVA)

Certified by TÜV Rheinland for 25-year outdoor use

• Case 2: EV Battery Fire Protection

Challenge: Thermal runaway risk in lithium battery packs.

Innovation: Flame-retardant silicone (OI≥30%) between modules.

Performance:

15-minute fire resistance (vs. 5-minute industry standard)

<0.1mA leakage current at 1000V DC

• Case 3: Skyscraper Structural Sealant

Requirements: -30°C to 80°C cycling + typhoon-force winds.

Custom Formula: Elastic silicone adhesive (≥200% elongation).

Validation:

1.2 MPa tensile strength

<5% property loss after 50 freeze-thaw cycles

• Case 4: Medical Device Lubrication

Problem: High-friction PVC catheters caused patient discomfort.

Breakthrough: Biocompatible silicone coating.

Outcomes:

Friction coefficient reduced from 0.45 to 0.08

Passed USP Class VI cytotoxicity tests

Usage Guidelines & Precautions

Usage Instructions

• Surface Preparation

Substrate Cleaning:

Critical step! Remove oil/grease using isopropanol or acetone.

Surface Roughening:

Glass/Metal: Sandblasting (Ra 2.5-3.5μm)

Plastics: Recommended plasma treatment

• Mixing & Preparation

Two-Component Resin:

Ratio: A:B = 10:1 by weight (refer to product manual)

Mixing: 3-5 minutes at moderate speed (avoid bubble formation)

One-Component Resin:

Ready-to-use (note post-opening shelf life)

• Application Methods

• Curing Conditions

Room Temperature Cure:

Touch dry: 30-60min (25°C, 50% RH)

Full cure: 24-48h (≤2mm thickness)

Heat Cure:

80°C: 1-2h (accelerated, production line suitable)

150°C: 20-30min (most efficient – verify substrate heat tolerance)

Safety & Handling

Storage Requirements

Unopened:

Store at 5-25°C in dark, dry place (12-month shelf life; Component B requires light protection)

Opened:

Single-component: Nitrogen-purged sealing, use within 7 days (prevent skinning)

Operational Precautions

PPE Mandatory:

N95 respirator

Safety goggles

Nitrile gloves

Solvent-based types: Additional gas mask required

Ventilation:

Maintain VOC concentration <50ppm (explosion-proof exhaust system required)

Packaging & Ordering

Packaging: 200kg/1000kg plastic drums (customizable).