4.9 Based on 1149 reviews 
Description
Fast-Curing, Self-Extinguishing Rubber Compound for Electrical Insulation & Fireproofing
Ideal for Cable Gland Sealing, Joint Finishing & Flexible Protection
Raytech Sky Plast 250 Insulating Rubber is a compact 250g two-component rubber paste designed for flexible, fire-resistant insulation. This mouldable insulating rubber is applied by hand and quickly transforms into a durable dielectric rubber coating with self-extinguishing properties. It’s perfect for replacing traditional taping, heat-shrink, or resin finishes.
In less than 5 minutes at room temperature, it bonds into a flexible and elastic rubber shield ideal for sealing cable glands, insulating electrical joints, or protecting non-electrical components. Low in smoke and toxic emissions, Sky Plast 250 delivers fast, safe protection in demanding conditions.
📦 What’s Included
- 2 × 125g component cans (250g total)
- Mixing instructions
🔑 Key Features of Raytech Sky Plast 250
- High-dielectric rubber insulation with self-extinguishing properties
- Cures in under 5 minutes at room temperature
- Mouldable and elastic – applies easily by hand
- Low smoke, low toxicity, and corrosion-free gas emissions
- Replaces traditional taping, heat-shrink, and resins
- Suitable for electrical and non-electrical component protection
💡 Why Choose Sky Plast 250?
- Quick and clean cable sealing alternative
- Ideal for compact spaces or irregular components
- Provides fire-retardant protection without bulky sleeves or wraps
- Remains flexible after curing – excellent vibration resistance
- Developed by Raytech – specialists in dielectric sealing technologies
📊 Technical Highlights of the Raytech Sky Plast 250 Insulating Rubber
- SKU: SKYPLAST250
- Size: 250g (2-component kit)
- Application Time: Mix for up to 2 minutes
- Cure Time: Less than 5 minutes
- Mix Ratio: 1:1
- Properties: Dielectric, mouldable, elastic, fire-retardant
- Smoke/Gas: Low smoke and toxic emissions
🏷️ About the Brand – Raytech
- Known for re-enterable gels, rubbers, and high-performance sealing compounds
- Industry leader in cable insulation and fireproofing materials
- Trusted by electricians and engineers worldwide
📌 Summary of Raytech Sky Plast 250 Insulating Rubber
Raytech Sky Plast 250 is a fast-curing, mouldable insulating rubber paste for sealing, insulating, and fireproofing electrical and non-electrical components. Self-extinguishing, dielectric, and easy to apply, it’s the modern alternative to taping, heat-shrink, or resin sleeves.
