Overview of Technical Specifications
Kingod provides full technical specifications for all silicone products, including LSR liquid silicone, medical-grade, food-grade, baby-safe, industrial and pet silicone items. Our detailed parameters cover material grade, hardness, temperature resistance, tensile strength, elongation, tear strength, biocompatibility, certification standards and dimensional tolerance. All data is rigorously tested and certified to support your product design, material procurement, and strict quality audit processes.
In today's highly competitive manufacturing landscape, selecting the right elastomer is critical to the success, safety, and longevity of your end product. Whether you are designing intricate surgical instruments, durable industrial keypads, or delicate baby pacifiers, understanding the precise mechanical, thermal, and chemical properties of silicone is paramount. Our engineering team has compiled these comprehensive specifications to ensure you have access to transparent, accurate, and actionable data.
Core Materials & Performance Parameters
Our core materials include medical-grade LSR (Liquid Silicone Rubber), food-grade BPA-free silicone, high-temperature industrial silicone, and waterproof sealed silicone. Hardness ranges from 10 Shore A to 80 Shore A to meet the diverse requirements of soft baby products, flexible sealed gaskets, durable tactile keypads, and rigid structural components. Temperature resistance ranges from -60°C to 250°C for long-term use in extreme environmental conditions.
Mechanical Strength
Our silicone exhibits exceptional tensile strength (up to 10 MPa) and tear resistance (up to 45 kN/m). This ensures that components subjected to repeated mechanical stress, stretching, or compression maintain their structural integrity without catastrophic failure.
Thermal Stability
With a functional temperature range of -60°C to +250°C, our silicone materials resist thermal degradation. They remain flexible in freezing conditions and do not melt or deform under high heat, making them ideal for automotive, aerospace, and kitchenware applications.
Chemical Resistance
Silicone elastomers are highly resistant to ozone, UV radiation, corona discharge, and various chemicals. This inherent inertness prevents premature aging, discoloration, and material breakdown when exposed to harsh environmental factors.
| Property | Test Method | LSR (Liquid Silicone) | HCR (High Consistency) |
|---|---|---|---|
| Hardness (Shore A) | ASTM D2240 | 10 - 70 | 30 - 80 |
| Tensile Strength (MPa) | ASTM D412 | 6.0 - 10.0 | 5.0 - 11.0 |
| Elongation at Break (%) | ASTM D412 | 300 - 800 | 200 - 600 |
| Tear Strength (kN/m) | ASTM D624 | 20 - 45 | 15 - 35 |
| Compression Set (%) | ASTM D395 |
Medical-Grade Silicone Specifications
Medical silicone products comply with ISO 13485, biocompatibility ISO 10993, FDA 21 CFR 177.2600 and LFGB. They feature high transparency, non-toxicity, odorless properties, and exceptionally stable performance for critical healthcare applications such as surgical instruments, drainage tubes, sealing components, and respiratory accessories.
In the medical field, material failure is not an option. Our medical-grade LSR and HCR silicones undergo stringent biocompatibility testing to ensure they do not induce cytotoxicity, sensitization, or skin irritation. Manufactured in ISO Class 7 and Class 8 cleanrooms, these materials are platinum-cured to eliminate volatile by-products, ensuring the highest level of purity.
Key Medical Parameters:
- Biocompatibility: Fully tested under ISO 10993-1, -5, -10, and -11 for systemic toxicity and intracutaneous reactivity.
- Sterilization Compatibility: Withstands repeated sterilization cycles including Autoclave (steam), Ethylene Oxide (EtO), Gamma Radiation, and E-beam without losing mechanical properties.
- Optical Clarity: High light transmittance for applications requiring visual monitoring of fluid flow, such as catheters and IV tubing.
- Low Extractables: Platinum-cured systems guarantee zero peroxide residues and ultra-low extractables, vital for long-term implantable or fluid-contact devices.
Baby-Safe & Food-Grade Silicone Standards
Baby products use 100% food‑grade, BPA‑free, phthalate‑free silicone, meeting stringent EU and US safety standards. Parameters include incredible softness, chew resistance, dishwasher safety, high tensile strength to prevent tearing, and a naturally non‑stick surface that repels bacteria and is easy to clean.
When it comes to infant care and food contact items—such as pacifiers, teething rings, baby feeding spoons, and baking molds—safety is the absolute priority. Our food-grade silicone formulations are completely free from harmful endocrine disruptors like Bisphenol-A (BPA), PVC, lead, and phthalates. They do not leach hazardous chemicals even when subjected to boiling water or microwave heating.
Baby-Safe Technical Highlights
- Chew & Bite Resistance: High tear strength (>35 kN/m) prevents pieces from breaking off and posing a choking hazard.
- Shore Hardness: Typically formulated between 20-40 Shore A to mimic the softness of natural skin for pacifiers and nipples.
- Chemical Purity: Nitrosamine-free and complies with European EN 1400 and EN 14350 standards for child use and care articles.
- Thermal Safety: Microwave, freezer, and dishwasher safe. Maintains structural integrity during daily sterilization.
Food-Grade Compliance
- FDA 21 CFR 177.2600: Approved for repeated use in contact with aqueous and fatty foods.
- LFGB (Germany) & REACH: Passes the strict European migration tests, ensuring no transfer of taste, odor, or color to food.
- Non-Stick Properties: Excellent release properties for bakeware, spatulas, and food processing conveyor belts.
- Oil & Fat Resistance: Formulated to resist swelling or degradation when exposed to cooking oils and animal fats.
Industrial & Pet Silicone Solutions
Industrial silicone parts include custom keypads, waterproof seals, complex overmolding components, and anti‑vibration parts. They feature high electrical insulation, excellent wear resistance, UV resistance, and a significantly long lifecycle even in harsh outdoor environments. Additionally, our pet products use safe, bite‑resistant, and non‑toxic materials to ensure animal safety and product durability.
For industrial applications, the performance criteria shift towards extreme durability, environmental resistance, and electrical properties. Our specialized silicone compounds are engineered to meet the rigorous demands of the automotive, aerospace, electronics, and telecommunications sectors. Whether you need a conductive silicone keypad for a medical device or a weather-resistant O-ring for an outdoor enclosure, our technical parameters provide the assurance of reliability.
Electrical Properties
Silicone is an excellent electrical insulator. With a dielectric strength of up to 25 kV/mm and high volume resistivity, it is widely used for cable jacketing, spark plug boots, and electronic potting to protect sensitive circuits from moisture and short circuits.
Environmental Resistance
Unlike natural rubber, silicone does not crack or harden when exposed to UV light, ozone, or extreme weather conditions. This makes it the premier choice for outdoor architectural seals, solar panel gaskets, and automotive weather stripping.
Pet-Safe Durability
Pet chew toys, feeding mats, and collapsible bowls require a unique balance of high tear strength to withstand aggressive biting, coupled with food-grade non-toxicity. Our specific pet-grade parameters guarantee safety and longevity.
PDF Datasheets & Customization Capabilities
All specifications are readily available in downloadable PDF datasheets. We fully support custom parameters such as special hardness requests, precise color matching (Pantone/RAL), modified tensile strength, specific wall thickness, and enhanced sealing performance. Standardized parameters help you select materials accurately, reduce testing costs, and significantly speed up your product launches.
We understand that off-the-shelf materials do not always meet the innovative demands of modern engineering. That is why Kingod offers extensive customization. Our R&D laboratory works closely with your engineering team to formulate bespoke silicone compounds. Whether you require a fluorosilicone blend for enhanced fuel resistance, a thermally conductive silicone for heat dissipation in EV batteries, or an antimicrobial additive for healthcare devices, we have the technical expertise to deliver.
Customization Options:
- Custom Durometer: Fine-tuning hardness from ultra-soft (Shore 00) to rigid (Shore 80 A) to match ergonomic or structural needs.
- Color Matching: Precise pigmentation without compromising the mechanical or chemical properties of the base material.
- Surface Finishes: From high-gloss optical finishes to matte, textured, or anti-dust coated surfaces for improved tactile feel.
- Overmolding (2K Molding): Seamlessly bonding silicone to plastics (PC, PA, PBT) or metals for integrated, multi-material components.
By leveraging our comprehensive technical data and engineering support, you can mitigate risks during the prototyping phase. Our strict adherence to dimensional tolerances (ISO 3302-1) ensures that every batch produced matches the exact specifications of your initial approved design.