Name: Dow DOWSIL 4-8012 Sealant and Adhesive
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Dow DOWSIL 4-8012 Sealant and Adhesive

High-performance, one-component, moisture-curing silicone elastomer offering excellent adhesion to glass, aluminum, anodized metals, and many plastics without primer.
Outstanding resistance to UV radiation, thermal cycling, and weathering—maintains elasticity and integrity over extended service life.
Low modulus formulation provides superior joint movement capability (±50% joint movement per ASTM C719) and stress relief in dynamic substrates.
Non-corrosive to sensitive substrates including copper, brass, and galvanized steel—suitable for electronics and architectural metal assemblies.
Meets UL 94 HB flammability rating and complies with RoHS and REACH directives for restricted substances.

Typical Applications Of Dow DOWSIL 4-8012 Sealant and Adhesive

Sealing and bonding of insulating glass (IG) units in commercial and residential fenestration systems.
Structural glazing secondary sealant for spandrel and vision panels in curtain wall construction.
Adhesive-sealant for LED lighting housings, display enclosures, and electronic control boxes requiring environmental protection.
Bonding of solar panel frames, junction box gaskets, and PV module edge seals in photovoltaic assemblies.
General-purpose sealing of HVAC ductwork, cleanroom partitions, and pharmaceutical process equipment where low VOC and non-staining performance are critical.

Chemical Type	Acetoxy-cure silicone elastomer
Product Form	Paste, thixotropic, single-component
Appearance	Opaque white or translucent beige paste
Primary Applications	Secondary sealant for insulating glass; general-purpose adhesive-sealant for architectural, electronics, and solar applications
Key Features	Primerless adhesion, low modulus, UV stable, non-corrosive, room-temperature curing
Benefits	Reduces assembly time, eliminates primer application, accommodates thermal expansion, ensures long-term durability in outdoor exposure
VOC Content	<10 g/L (as supplied)
Shelf Life	12 months from date of manufacture when stored unopened at ≤25°C in dry conditions

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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China