Mega Black™ Silicone

US Item #: 99839
Tech Docs
Tech Docs
Product Details:
Mega Black Silicone is a high-flex, moisture curing gasketing material that cures into a strong silicone rubber that maintains long lasting durability and performance to make formed-in-place gaskets. This tough, flexible silicone rubber gasket resists aging and weathering. Will not harden, shrink, or crack. Non-corrosive to steel, iron, and aluminum.

Size: 3 oz

Units per case: 12

1Sensor Safe-Use On All Engines
2Temperature Range -100°F to 650°F(-73°C to 343°C)
3Low Odor
5Resists Oil, Water and Antifreeze Mixtures
Timing covers, oil pans, transmission pans, differential covers and more

1. For best results, surfaces should be clean and dry.
2. Cut nozzle and apply a continuous 1/16″ to 1/4″ (2 to 6mm) bead of silicone to one surface, surrounding all bolt holes. Assemble parts immediately while silicone is still wet. Finger tighten until material begins to squeeze out around flange.
3. Let dry for one hour then tighten to torque specifications. 4. Allow 24 hours to fully cure before filling with fluids or returning to service.
5. Replace cap after use. NOTE: Not recommended for use on head gaskets or parts in contact with gasoline

Causes serious eye irritation. May cause allergic skin reaction. Suspected of causing cancer.

Precautionary Statements – Prevention: Contains: Calcium carbonate, Limestone, Stearic acid,2-butanone oxime, Carbon black. Obtain special instructions before use. Do not handle until all safetyprecautions have been read and understood. Use personal protective equipment as required. Wash face,hands and any exposed skin thoroughly after handling. Wear protective gloves/protective clothing/eyeprotection/face protection. Avoid breathing dust/fume/gas/mist/vapors/spray. Contaminated work clothingshould not be allowed out of the workplace.

Precautionary Statements – Response: IF IN EYES: Rinsecautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. If eye irritation persists: Get medical advice/attention.

IF ON SKIN: Wash with plenty of soap andwater. If skin irritation or rash occurs: Get medical advice/attention. Take off contaminated clothing andwash before reuse.

Precautionary Statements – Storage: Store in a well-ventilated place. Keep containertightly closed. Store locked up.

Precautionary Statements – Disposal: Dispose of contents/container to anapproved waste disposal plant.

Keep out of the reach of children.

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