This Safety Information Sheet provides essential health, safety, and environmental information for Kanthal® Super HT, an electrical heating element specifically developed for extended service life and high reliability in demanding high-temperature applications. Known for its exceptional oxidation resistance and stability, Kanthal® Super HT is suitable for use in aggressive atmospheres, including oxidizing, inert, carburizing, nitriding, and reducing environments. The information herein is intended to assist users in the safe handling, installation, operation, and disposal of Kanthal® Super HT in various industrial and manufacturing applications. While Kanthal® Super HT is considered stable under normal conditions, appropriate precautions should always be taken to minimize risks during its use. This document is not a substitute for regulatory compliance or a Material Datasheet, but complements it by offering additional safety guidance specific to this material.
Identification of the substance/preparation and the company undertaking
Trade name: Kanthal® Super HT
Product type: Electrical heating element
Manufacturer/Supplier:
Kanthal AB
Box 502
734 27 Hallstahammar
+46 220-210 00
E-mail: ehs@kanthal.com
Emergency telephone: Use your local emergency number
Hazards identification
Symbol: -
R-value: -
Injurious to health: -
Composition/information on ingredients
| Compounds | EINECS-no. | CAS-no. | Content % | H-value |
| Molybdenum tungsten disilicide, MoWSi2 | - | - | 95-100 | |
| Boron | 231-151-2 | 7440-42-8 | Max 5 | Xn. R22 |
First aid measures
Inhalation: Move to fresh air.
Skin contact: Wash with soap and water.
Eye contact: Rinse immediately with water for several minutes, with eyelids held open.
Ingestion: Not a normal route of exposure.
Fire-fighting measures
Suitable extinguishing media: Use suitable extinguishing media for surrounding materials and type of fire.
Extinguishing media which shall not be used for safety reasons: None known.
Special exposure hazards arising from the substance or preparation itself, combustion products, resulting gases: None known.
Special protective equipment for firefighters: Wear fully protective impervious suit.
Accidental release measures
Personal precautions: Use protective clothing and gloves. Also see p.8
Environmental precautions: -
Methods for cleaning up: Collect and sweep up. Avoid creating dust.
Handling and storage
Handling: Handle as glass.
Storage: Keep dry.
Exposure controls/personal protection
Exposure limit values
Hygiene standards and exposure limits may differ from country to country. Check those currently applying in your country and comply with regulations. Examples of exposure limit applying Sweden are given below:
| Compound | Exposure limit | Type of value |
| Molybdate | 5 mg/m3 10 mg/m3 |
NGV (Respirable) NGV (Total) |
| Tungsten | 5 mg/m3 | NGV (Total) |
NGV = Level Limit Value, sanitary limit value for exposure during one working day.
Exposure controls
Preventive action: Good general ventilation is recommended.
Respiratory protection: Use when necessary.
Hand protection: Protective gloves.
Eye protection: Wear safety glasses when tooling.
Skin protection: Wear suitable protective clothing and protective shoes.
Physical and chemical properties
Form: Staff, tube
Colour: Metallic
Odour: Odourless
Density: ≈ 7 g/cm3
Melting point (approx): 1,830°C (≈3,330°F)
Water solubility: Insoluble
Stability and reactivity
Conditions to avoid: -
Materials to avoid: -
Hazardous decomposition products: As evaporated species MoO3, SiO2 and SiO appear.
Toxicological information
Inhalation: Danger of serious damage to health by prolonged exposure through inhalation of MoO3, SiO2 and SiO.
Skin contact: -
Eye contact: Product dust may cause temporary mechanical eye irritation.
Ingestion: Not a normal route of exposure.
Ecological information
No data available.
Disposal considerations
Disposal in accordance with all applicable local and national regulations.
Transport information
Road transport (ADR): Not classified as dangerous in the meaning of transport regulations.
Regulatory information
Symbol: -
H-value: -
P-value: -
Other information
Information in this Safety Information Sheet is based on the form the product is released on the market.
List of relevant H- phrases: -
Declaration
The information given in this safety information sheet is based on the present level of our knowledge and experience. The data sheet describes the products with respect to safety requirements. The data given is not intended as a confirmation of product properties and does not constitute a legal contractual relationship, nor should it be used as the basis for ordering these products.
Revision:
Revised in accordance with CLP regulation. EC 1272/2008.