Dow Dowsil 20 Release Coating

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Description for Dow Dowsil 20 Release Coating

Release coating for plastics, adhesives, and elastomeric products, solvent dilutable, provides heat stable, polydimethylsiloxane.

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Brand	Dowsil
Application Type	Release coating
1 Part or 2 Part	1-Part
Material Form	Liquid
Substrate	Methacrylates, Silicone glass laminates, Plastics, Polyesters, Polyurethanes, Porous substrates, Phenolics
Manufacturer	Dow
Chemistry	Non-carbonizing, High molecular weight silicone resin, Xylene, Polydimethylsiloxane, Stoddard
Cure Method	Solvent, Heat cure
Cure Temperature (°C)	93 to 204
Cure Time (min)	5.00 to 10
Viscosity (cPs)	11 (cSt), Non-oily
Color	Colorless/ light straw, Colorless/ light straw
High Temperature Resistance (°C)	Heat stable
Can Be Used In Conjunction With These Materials	Moldmaking materials, Adhesives, Elastomeric products

Best Practices for Dow Dowsil 20 Release Coating

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Technical Data for Dow Dowsil 20 Release Coating

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Overview

Application Type
- Coating - Release coating
1 Part or 2 Part
- 1-Part
Material Form
- Liquid
Substrate
- Porous Substrates
- Glass - Silicone glass laminates
- Plastic - Plastics
- Acrylic (PMMA) - Methacrylates
- Polyurethane - Polyurethanes
- Phenolic - Phenolics
- Polyester - Polyesters
- Other - Epoxies, Melamimes, Silicone glass laminates
Industry
- Industrial - Metal making, Silicone molding compounds, Tubes, Minimum build-up on molds, Minimum build-up on dies
- Furniture / Wood-Working - Wood forming operations
Chemistry
- Solvent-Based - Xylene, Stoddard
- Other - Non-carbonizing
- Silicone - Polydimethylsiloxane, High molecular weight silicone resin
Application Method
- Brush - Brushing, Wiping
- Spray - Spraying
Cure Method
- Solvent
- Heat - Heat cure
Color
- Clear / Transparent - Colorless/ light straw
- Yellow - Colorless/ light straw
Can Be Used In Conjunction With These Materials
- Other - Moldmaking materials, Adhesives, Elastomeric products
Brand
- Dowsil

Specifications

Cure Specs

Cure Temperature (°C)	93 to 204
Cure Time (min)	5.00 to 10
Viscosity (cPs)	11 (cSt), Non-oily	Test Method

Material Resistance

High Temperature Resistance (°C)	Heat stable

Other Properties

Specific Gravity	0.93 (g/ml)	Test Method
Flash Point (°F)	89.6	Test Method

Business Information

Shelf Life Details	When stored at or below 30°C (86°F) in the original unopened containers, this product has a usable life of 24 months from the date of production. This product is classed as a flammable, with a flash point of 32°C (89.6°F). Handle and store with appropriate precautions.
Shelf Life Temperature (°F)	<86
Shelf Life Type	from the date of production
Shelf Life (mon)	24

Best Practices for Dow Dowsil 20 Release Coating

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1. Surface Preparation
  
  After application, allow the mold surface to dry until completely free of diluent. Because the solvents used to dilute DOWSIL™ 20 Release Coating may be flammable, special care must be taken when applying the dilution to hot surfaces.
2. Application
  
  Easy to use
  
  After dilution, DOWSIL™ 20 Release Coating can be applied by spraying, brushing, or wiping. Mold surfaces should be cleaned prior to application. Best parting characteristics are obtained when this product is applied in a very thin film.
3. Curing
  
  Although not essential, a heat cure produces better release and increased durability of the parting film. Heating the molds for 5–10 minutes at 93–204°C (200–400°F) is suggested.
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