HN-E Addition Cured Silicone Rubber – FDA Compliant, Low Shrinkage, High Performance

 Product Overview

HN-E Addition Cured Silicone Rubber is a premium two-component liquid silicone material designed for high-precision molding and casting applications. With a simple 1:1 mixing ratio, it cures at room temperature or under heat, offering excellent flexibility, durability, and clarity. Ideal for food-safe molds, composite tooling, medical devices, and industrial prototypes.

 Key Features & Benefits

• Low Shrinkage (0.1%) – Ensures dimensional accuracy in molds and castings.

• Wide Temperature Range – Stable from -55°C to 220°C.

• High Tear & Tensile Strength – Long-lasting mold life even under repeated use.

• Platinum Catalyst System – Non-toxic, odorless, and safe for skin contact.

• Easy to Use – Low viscosity for easy pouring and vacuum deaeration.

Technical Parameters

All models use a 1:1 mix ratio, with 0.5h operation time and 4h curing time at room temperature.

Applications

• Food Industry: Chocolate, candy, and baking molds

• Jewelry & Crafts: Detailed silicone molds for gold, silver, and resin art

• Industrial Molding: Composite parts for automotive, aerospace, and marine

• Medical & Prosthetics: Skin-safe applications for artificial limbs

• Construction & Art: Cement, gypsum, cultural stone replicas

How to Use

1.   Stir Thoroughly – Mix for 2–3 minutes until uniform.

2.   Vacuum Degas (Recommended) – Remove bubbles for a flawless finish.

3.   Pour & Cure – Let sit for 4 hours at room temperature, or heat at 80–100°C for 20 minutes.

Packaging & Storage

• Packaging: 50kg set (25kg A + 25kg B) in sealed iron pails.

• Shelf Life: 12 months in a dry, cool place at ≤25°C.

• Handling: Keep away from acids, alkalis, and moisture.

 Frequently Asked Questions

Q1: Is HN-E silicone safe for food contact?
Yes, it is FDA compliant and non-toxic, making it ideal for food molds.

Q2: Can I speed up the curing process?
Yes, heating at 80–100°C reduces curing time to just 20 minutes.

Q3: What is the shelf life?
12 months when stored properly in sealed containers.

Q4: Can I color the silicone?
Yes, use less than 0.2% of recommended color paste mixed into Part B.

Q5: Is it suitable for high-temperature applications?
Absolutely. It performs reliably from -55°C to 220°C.