17RU480-G_TDS.pdf

Liquid Rubber Urethane RTV
RU-480 A/B 80 A Shore is a liquid, two-component, Urethane Elastomer RTV that is easily processed. This
system provides a firm, semi-flexible, durable and abrasion resistant rubber compound. Used for a variety of
applications including molds, concrete texture stamps and form liners, and rubber parts. Molds are used to cast
concrete, wax, and plaster parts. Also makes molds that are compatible for casting Silicone Platinum RTV.
Features
Easy to Process with 2 to 1 Mix Ratio Dimensionally Stable Minimal Shrinkage
Excellent Strength Properties Abrasion resistant for long mold life
Applications
Molds are used to cast concrete, wax, and plaster parts. Also makes molds that are compatible for casting Silicone
Platinum RTV. Use for making molds or rubber parts. Molds are used to cast:
e Making Molds e Concrete Texture stamps and form liners
Rubber parts
Physical and Handling Properties
Property Typical Value
Cured Color Yellow/Translucent
Mix Ratio, by weight 2A1B
Initial Mixed Viscosity, at 77 F, cP 5,000
Shore Harness A80
Pour Time 20 min.
Demold Time at 73 F 16 hrs.
Specific Volume (in?/Ib) 26
Specific Gravity 1.07
Tensile Strength, psi 800
Elongation, % 550
Die C Tear Strength (pli) 175
Values listed above are typical and not intended for use in specifications.
Proper Use and Safety
Read all instructions and safety data sheets prior to use. Consult safety data sheets for all recommended safety
precautions.
Silpak is a division of Polytek Development Corp. – www.silpak.com – 800.858.5990 – 55 Hilton Street, Easton, PA 18042