Enhanced TDS
Knowde-enriched technical product data sheet
Identification & Functionality
- Additives Included
- Chemical Family
- Polymer Name
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
- Materials Features
- Specific Features
- Food-contact
- Fast curing
- High tear-resistant
- Reduced volatile content
Applications & Uses
- Markets
- Applications
- Plastics & Elastomers End Uses
- Plastics & Elastomers Processing Methods
- Applications
- Baby Care
- Dairy Applications
- General Automotive Parts
- Household Applications
- Molded Parts
- Molded Seals (LSR)
- Application Details
These grades are particularly suitable for the economical production of large series of injection-molded articles. Parts made from ELASTOSIL® LR 3040/60 A/B can be used for technical applications. These articles are also suitable for use in conjunction with foodstuffs. Postcured parts can be used for food contact applications and are suitable for use under the Recommendation "XV. Silicones" of the BfR and FDA § 177.2600 under observance of any given limitations on extractable and volatile substances.
Processing
The A and B components are delivered ready to use in 20 kg pail and 200 kg drum kits. With adequate metering equipment, they can be pumped directly from the original containers into the injection molding machine and mixed by a static mixer. The mixing ratio is 1 : 1. At room temperature, mixtures of A and B components have a pot life of at least one day. The vulcanization (t90 value) is 20 to 40% shorter than of products in the ELASTOSIL® LR 3043 series. This consequently leads to a decrease in cycle times and thus to cost savings, depending on the injection-molded articles.
Properties
- Physical Form
- Cured Properties
Value Units Test Method / Conditions Compression Set (at 22 hours, 175°C) 12 % DIN ISO 815-1 type B method A Density 1.14 g/cm³ DIN EN ISO 1183-1 A Elongation (at break) 430 % ISO 37 Type 1 Shore Hardness A 60 - DIN ISO 48-4 Tear Strength 40 N/mm ASTM D 624 B Tear Strength 12 N/mm DIN ISO 34-1 A Tensile Strength 9.7 N/mm² ISO 37 Type 1 - Uncured Properties
Value Units Test Method / Conditions Dynamic Viscosity (Shear rate 1 s⁻¹) 1800000 mPa·s DIN EN ISO 3219 Dynamic Viscosity (Shear rate 10 s⁻¹) 670000 mPa·s DIN EN ISO 3219 - Properties
Narrow Shore hardness range from 57 to 63 Shore A (60 ± 3 Shore A). This product can be used within a temperature range of - 55°C to + 210°C. The addition of heat stabilizers at service temperatures of more than 180°C is recommended.
- Note
Cure conditions : 5 min / 165°C in press, post-cured 4 h / 200°C.
Regulatory & Compliance
- Certifications & Compliance
- Chemical Inventories
Packaging & Availability
- Country Availability
- Packaging Type
- Regional Availability
- Packaging Information
This product is available in 20 kg pail and 200 kg drum kits.
Storage & Handling
- Storage Information
Once opened, containers should always be resealed after use to prevent the platinum catalyst from being poisoned by amines, sulfur or phosphorus compounds.