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.

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Category: Sealants and Adhesives Tags: Construction Sealant, Magpow, Multipurpose sealant, Silicone adhesive, Silicone sealant, Waterproof sealant, Weatherproof

Description

Table of Contents

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.

KEY PRODUCT FEATURES

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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 CO₂ 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