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Magpow Silicone Sealant
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Magpow Silicone Sealant is a one-component, moisture-curing silicone-based sealant formulated for high-performance sealing, bonding, and insulating applications. It cures at room temperature when exposed to air moisture, forming a durable, flexible rubber-like elastomer. It adheres well to glass, metal, ceramic, plastic, and many construction materials. Commonly used in general construction, glazing, automotive, and household repair applications, Magpow Silicone Sealant offers excellent resistance to weathering, UV radiation, moisture, and temperature extremes.
Description
Magpow Silicone Sealant
Primary Uses
- Construction & Building Industry
- Glass & Window Sealing: Used for sealing glass panels, windows, skylights, and curtain walls.
- Joint Sealing: Seals expansion joints, movement joints, and control joints in concrete and masonry structures.
- Weatherproofing: Applied around door frames, window perimeters, and building exteriors to prevent air and water infiltration.
- Roofing Applications: Seals roof penetrations and flashings to prevent leaks.
- Automotive Industry
- Windshield & Body Sealing: Used for sealing vehicle windshields, lights, and body seams.
- Gasket Forming: Acts as a flexible, heat-resistant gasket in engine and mechanical parts.
- Vibration Dampening: Absorbs vibrations and provides cushioning in vehicle interiors.
- Household & DIY Applications
- Bathroom & Kitchen Sealing: Used to seal sinks, bathtubs, showers, countertops, and backsplashes against water intrusion.
- Appliance Repair: Seals gaps or cracks in household appliances.
- Glass Repairs: Bonds and seals glass surfaces in home décor or fixtures.
- Electrical & Electronics Industry
- Insulating Compound: Provides electrical insulation and protects components from moisture and dust.
- Potting Material: Used for potting electronic assemblies to shield from vibration and contaminants.
Secondary Uses
- Marine & RV Industry
- Used to seal boat hatches, portholes, and vehicle joints in marine and recreational vehicles to prevent water intrusion.
- HVAC Industry
- Seals ductwork, joints, and pipe penetrations for thermal insulation and air-tightness.
- Art & Craft / Model Making
- Employed as a mold-making material or adhesive in DIY and crafting applications due to its flexibility and adhesion.
PRODUCT KEY FEATURES
- Basic Identification Attributes
- Chemical Name (IUPAC): Polydimethylsiloxane (main component)
- Common/Trade Name: Magpow Silicone Sealant
- CAS Number: Mixture (main component CAS: 63148-62-9)
- HS Code: 3214.10.10
- Synonyms: Silicone caulk; Silicone adhesive sealant; RTV silicone sealant
- Physical & Chemical Properties
- Physical State: Paste (semi-solid)
- Color & Odor: Commonly clear, white, black, or grey; slight vinegar or alcohol-like odor (depending on type)
- Curing Mechanism: Moisture-cure; forms elastomeric solid upon curing
- Skin Formation Time: 5–20 minutes (varies by humidity and temperature)
- Full Cure Time: 24–72 hours (depending on thickness and environment)
- Temperature Resistance: Typically −50 °C to +180 °C (higher for specialized variants)
- Shore A Hardness: ~20–30 (varies by grade)
- Elongation at Break: ≥ 400%
- Tensile Strength: Approx. 1.5 MPa
- Safety & Hazard Attributes
- GHS Classification: May cause mild skin or eye irritation (depends on formulation: acetic acid or neutral cure types)
- Toxicity: Low toxicity under recommended use conditions
- Exposure Limits: No specific occupational limits; avoid prolonged inhalation of fumes
- Flammability: Not flammable in cured form; uncured product is combustible
- Storage & Handling Attributes
- Storage Conditions: Store in cool, dry place below 30 °C; protect from direct sunlight and frost
- Container Type: Aluminum tubes, plastic cartridges, or sausage packs
- Shelf Life: Typically 12–18 months from manufacturing date (in unopened packaging)
- Handling Precautions: Avoid skin and eye contact before curing; use in well-ventilated area
- Regulatory & Compliance Attributes
- Complies with construction and building material standards (e.g., ASTM C920)
- RoHS compliant; free from heavy metals in most consumer-grade products
- REACH registered raw materials
- Labeling includes curing type (acidic or neutral) and appropriate safety instructions
- Environmental & Health Impact
- Biodegradability: Not readily biodegradable; remains inert in the environment after curing
- Ecotoxicity: Low, but uncured product should not enter waterways
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic
SAFETY HANDLING PRECAUTIONS
- Safety Handling Precautions
- PPE Required: Gloves and safety goggles recommended during application
- Handling Guidelines: Use in a well-ventilated area; avoid prolonged skin contact with uncured material
- Storage Measures: Keep containers tightly closed; store away from food or incompatible materials (strong oxidizers)
- First Aid Measures
- Inhalation: Move to fresh air if vapor causes discomfort
- Skin Contact: Wash with soap and water; cured silicone is non-irritating
- Eye Contact: Rinse thoroughly with water for several minutes; seek medical attention if irritation persists
- Ingestion: Not intended for ingestion; seek medical help if swallowed
- Firefighting Measures
- Fire Hazards: Uncured sealant is combustible
- Extinguishing Media: Use dry chemical, foam, or COâ‚‚ for surrounding fire
- Special Precautions: Firefighters should wear self-contained breathing apparatus
- Hazardous Combustion Products: May release carbon oxides and small amounts of formaldehyde during combustion
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