Description
Polyelasto Rubber Binder 9317 is a 100% solids, aromatic isocyanate, single component, moisture cure binder manufactured for the production of molded product using granulated SBR, TPV, and/or EPDM rubber.
Material Use:
Polyelasto Rubber Binder 9317 is a 100% solids, aromatic isocyanate, single-component, moisture-cure binder specifically designed for producing molded products using granulated SBR, TPV, and/or EPDM rubber. It is ideal for binding rubber particles in applications such as playground surfacing, athletic tracks, and other elastomeric surface systems.
System Components:
This binder is used in conjunction with granulated rubber components (SBR, TPV, or EPDM). It does not reference a primer or topcoat in this data sheet, as it is typically used within a bound rubber matrix, not as a standalone surface coating.
Applications:
Suitable for a wide range of rubber surface installations, including sports flooring, impact-absorbing surfaces, and molded rubber components. The binder activates upon exposure to moisture, making it versatile for different curing setups.
Application Details:
· Mixing & Curing: The binder cures via moisture, either from ambient humidity or through added water or steam. Curing can be accelerated with an appropriate catalyst.
· Pot Life: Long pot life, though the exact working time is not specified.
· Curing Time: Not explicitly stated, but can be managed based on moisture exposure and catalysts.
· Application Temperature Range: Optimal storage and likely application temperatures are 25–35°C (77–95°F). Elevated temperatures or moisture contamination can lead to increased viscosity.
· Equipment Cleanup: Use an environmentally safe solvent immediately after use, adhering to local regulations.
· Storage Considerations: Store in moisture-free conditions to prevent viscosity increase. Once opened, containers should be sealed tightly to avoid moisture ingress.
Special Notes:
· UV Stability: No mention of UV resistance or stability; intended use suggests it is typically encapsulated or not exposed to direct sunlight.
· Chemical Composition: MDI-based (does not contain TDI), making it more user-friendly in terms of toxicity concerns.
· Physical Properties:
o Specific Gravity: 1.18 ± 0.2
o Viscosity: 2000 ± 500 cps
o Total Solids: 100% by weight and volume
o Tensile Strength: 2200 ± 200 psi
o Ultimate Elongation: 20 ± 5%
o Tear Resistance: 200 ± 25 pli (Die C)
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