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Flame Retardant UV-Resistant APG Epoxy Resin for High Dielectric Strength Electrical Insulation

Flame Retardant UV-Resistant APG Epoxy Resin for High Dielectric Strength Electrical Insulation

Flame retardant epoxy resin for electrical insulation

UV-resistant APG epoxy resin

High dielectric strength electrical epoxy resin

원래 장소:

중국

브랜드 이름:

WENYOU

인증:

ISO/REACH/RoHS/SGS/UL

모델 번호:

LE-184/LH-8504

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제품 상세정보
충격 강도:
10-18kJ/m²
인장강도:
60-85MPa
굴곡강도:
100-140MPa
유리 전환:
65-105°C
파괴 강도:
25-30kV/mm
수분 흡수:
0.10-0.20%
지불과 운송 용어
최소 주문 수량
샘플로 20kg/통
가격
협상 가능
포장 세부 사항
20kg/통, 220kg/배럴, 1200kg/탱크
배달 시간
7 -10 근무일
지불 조건
L/C,T/T,웨스턴 유니온,머니그램
공급 능력
재고가 많은 원자재
제품 설명
Outdoor Epoxy Resin | UV-Resistant | APG/Vacuum Casting | High-Voltage Insulation
Product Specifications
Attribute Value
Process APG & Vacuum Casting
Impact Strength 10-18kJ/ M2
Temperature Resistance High
Apply high voltage transformer
Application Electrical Insulation
Product Description

The LE-184/LH-8504 epoxy system is a weather-resistant, multi-component formulation engineered for outdoor high-voltage electrical insulation. Featuring modified BPA epoxy (LE-184), anhydride hardener (LH-8504), flexibilizer (LF-660), and accelerator (LZ-622), it delivers exceptional UV/erosion resistance, thermal shock stability, and superior dielectric performance. Ideal for APG or vacuum casting processes in harsh environments.

Key Features & Advantages
Feature Advantage
UV & Weather Resistance Withstands outdoor exposure, prevents erosion & yellowing
Flexibilizer LF-660 (0-20 pbw) Enhances crack resistance under thermal cycling
Accelerator LZ-622 (0-0.4 pbw) Speeds curing for high-volume production
APG & Vacuum Casting Compatible Adapts to existing manufacturing setups
High Dielectric Strength 25-35 kV/mm (IEC 60243-1) for outdoor insulators
Low Water Absorption 0.10-0.20% (23°C/10d) ensures long-term integrity
Solvent-Free Eco-friendly, low-VOC processing
Applications

Built for outdoor electrical components:

  • HV bushings, insulators & surge arresters
  • Transformer encapsulation
  • Outdoor switchgear (12-40.5 kV)
  • Solar/Wind energy infrastructure
  • Railway electrification components
Key Performance Data

Cured system: LE-184/LH-8504/Silica=100:90:350 | Cure: 140°C*2h + 130°C*10h

Mechanical & Thermal Properties
Property Value Standard
Tensile Strength 60-85 MPa ISO 527
Flexural Strength 100-140 MPa ISO 178
Impact Strength 8-16 kJ/m² ISO 179
Glass Transition (Tg) 65-105°C ISO 11357-2
Thermal Conductivity 0.7-0.9 W/m*K ISO 8894-1
Decomposition Temp >320°C ASTM E2402
Electrical & Safety Properties
Property Value Standard
Breakdown Strength (3mm) 25-30 kV/mm IEC 60243-1
HV Arc Resistance 185-195 sec IEC 61621
Tracking Resistance CTI>600 (Solution A/B) IEC 60112
Electrolytic Corrosion Grade A-1 IEC 60426
Flammability HB Rating UL94
Frequently Asked Questions (FAQ)
Q1: What's the role of LF-660 and LZ-622?
A: LF-660 (0-20 pbw) improves flexibility & crack resistance. LZ-622 (0-0.4 pbw) accelerates curing - critical for APG production.
Q2: How should I store components?
A: Store in sealed containers at 18-25°C. Shelf life: 24 months. Avoid moisture - hardener is humidity-sensitive.
Q3: What processing methods are supported?
A: Optimized for:
APG: Mold temp 130-150°C | Gel time 10-50 min
Vacuum Casting: Cure 80-100°C | Gel time 3-6h
Post-cure: 130-140°C*6-10h for all methods
Q4: How is filler pre-treated for HV applications?
A: Silica filler must be pre-dried (moisture ≤0.2%). Use thin-film degassing mixers for consistent dispersion.
Q5: Is this system suitable for coastal environments?
A: Yes! UV resistance + low water absorption (0.10-0.20%) prevents salt corrosion & tracking.

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