Basic Information
Certification
ISO, FDA, REACH, RoHS
Shrinkage Rate
Less Than 0.1%
Production Capacity
800 Tons Per Year
Product Description
INI-E640 Mold Making Silicone
Description: Two-component silicone, platinum-curing/addition-cure type, flowable, vulcanizes at room temperature or heated temperature. Maintains soft and elastic properties in range of -65°C to 200°C.
Application Fields
- Large quantity molding: art crafts, furniture, architectural elements, garden ornaments.
- Industrial use: shoe, tire, soap, candle, vacuum bagging, wind turbine blades.
- Materials: resin, PU, PVC, polyester, gypsum/plaster, wax.
Features & Advantages
- Food grade, FDA certified
- Ultra-low shrinkage (≤0.1%)
- Excellent flow leveling
- High temperature resistance
- Durable tear & tensile strength
- Anti-deformation & Not oily
- Easy demolding process
- Acid and alkali resistance
Technical Properties Index
| Category |
Property |
Test Report (INI-E640) |
| Before Curing |
Appearance |
Translucent fluid |
| Viscosity (cps) |
5800±500 |
| Operating |
Mixing Ratio |
1:1 or 10:1 |
| Operating Time (25ºC) |
30~50 Mins |
| Curing Time |
3~5 Hours |
| After Curing |
Hardness (Shore A) |
40±2 |
| Tear Strength (kN/m) |
22±3 |
| Elongation (%) |
460~560 |
| Shrinkage (%) |
≤0.1 |
Operation Instructions
1. Mixing: Mix part A and part B evenly with 1:1 ratio by electronic weight.
2. Vacuuming: (Recommended) De-air for < 10 mins to ensure no bubbles in the finished mold.
3. Casting: Pour onto the original. Suggest setting for 12 hours after demolding before production.
Frequently Asked Questions
What is the shelf life of the silicone rubber?
The shelf life is twelve (12) months when stored in a dry, cool place in its original package under 25ºC.
Is this silicone safe for food-related applications?
Yes, INI-E640 is food grade and FDA certified, making it suitable for chocolate, cake, or candy molds.
How can I avoid bubbles in my mold?
It is strongly recommended to use a vacuum chamber to remove entrapped air for 1-2 minutes until the mixture collapses.
What are the available packaging sizes?
We offer various sizes including 5KG, 20KG, 25KG, and 200KG per drum (metal or plastic options available).
What is the shrinkage rate of this product?
The INI-E640 series features a very low shrinkage rate of less than 0.1%, ensuring high precision for replicas.
Can the curing time be adjusted?
Yes, properties like viscosity, operating time, and curing time are adjustable based on specific production requirements.