RTV Silicone Sealant, 300 mL, Black, Temp Range -75 to 625 Degrees F

LOCTITE — Gasket Sealants & Makers — RTV Silicone Sealant, 300 mL, Black, Temp Range -75 to 625 Degrees F

Designed for professional use, this LOCTITE Gasket Sealants & Makers helps keep parts and tooling consistent across routine service tasks.

Quick specs

• Color: Black
• Application: Differential Covers., Oil Pans, Timing Gear Covers, Valve Covers
• Substrates: Stamped Metal Assemblies
• Size: 300 mL
• Manufacturer Part Number: 135508
• UPC: 079340598751

Product information

• Manufacturer Part Number: 135508
• UPC: 079340598751
• Country of Origin: United States

Dimensions

• Container Size: 10.14 fl oz
• Maximum Gap Fill Size: 0.02 in
• Size: 300 mL

Details

• Maximum Operating Temperature: 500 Degrees F
• Sealant Type: Gasket Sealant
• Hardness: Shore A26 to A40
• Non-Hardening: Yes
• For Fluid Type: Alcohol, Anti-Freeze Solution, Automotive Fluids
• Sensor Safe: Yes
• Application: Differential Covers., Oil Pans, Timing Gear Covers, Valve Covers
• Color: Black
• Substrates: Stamped Metal Assemblies
• Temp. Range: -75 to 625 Degrees F
• Sealant Base: Silicone
• Sealant Container: Cartridge
• Item: RTV Gasket Maker
• Full Cure: 24 hr
• Begins to Harden: Tack Free: 30 min
• Viscosity: paste
• Specific Gravity: 1.3 @ 20 Degrees C
• Standards: California Proposition 65, CEPA DSL/NDSL, CERCLA/SARA Section 302 EHS, CERCLA/SARA Section 311/312, CERCLA/SARA Section 313, OSHA 29 CFR 1910.1200, TSCA
• Flash Point: 199.4 Degrees F
• Characteristics: High Flexibility, Forms A Tough, Flexible Silicone Rubber Gasket, Excellent Oil Resistance. Fills Gaps to 0.25 in
• Container Type: Cartridge
• Tensile Strength: 190 psi
• Chemical Base: Oxime Silicone
• Cure Type: Room Temperature
• Storage Requirements: 8 Degrees to 21 Degrees C
• For Material Type: Metal
• Full Cure Time: 1 day
• Resistance Properties: Oil Resistant
• Specific Sealing Application: Gasket Dressing
• Series: SI 598
• Product Form: Paste
• Working Time: 30 min
• Minimum Operating Temperature: -65 Degrees F

This Gasket Sealants & Makers is a practical option for maintenance teams and procurement.

Recommended for facility operations and routine servicing and well-suited for replacement, upgrade, and stock-room use.

Highlights

• Helps keep specifications consistent across replacements and replenishment cycles.
• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.
• Clear specification formatting helps reduce ordering mistakes.

Notes: Review application constraints and installation requirements to ensure the part meets your needs.