Silicone Sealants

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Loctite

RTV-5140™ Silicone Sealant, 85 g (3 oz) Tube, Clear 10/CA

Part #135264-34899

MFG #135264

Availability: 68 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 69 days

Our Price: $41.41 Tube-TB

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SI 5900® Flange Sealant, Heavy Body RTV Silicone , 300 ml Cartridge redirect to product page

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Loctite

SI 5900® Flange Sealant, Heavy Body RTV Silicone , 300 ml Cartridge

Part #212184-30769

MFG #212184

Availability: 24 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 13 days

Our Price: $77.29 Each-EA

List Price: ~~88.36 EA~~

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598™ Black, High Performance RTV Silicone Gasket Maker, 70 ml Tube, Carded redirect to product page

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Loctite

598™ Black, High Performance RTV Silicone Gasket Maker, 70 ml Tube, Carded

Part #234609-30769

MFG #234609

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 13 days

Our Price: $21.25 EA

List Price: ~~26.28 EA~~

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Loctite

RTV-5140™ Silicone Sealant, 300 mL/10.8 oz Cartridge, Clear

Part #135263-34899

MFG #135263

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 50 days

Our Price: $66.06 EA

List Price: ~~80.94 EA~~

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Loctite

LOCTITE® 5045™ Neutral Cure Alkoxy RTV, Paste

Part #735891-30769

MFG #735891

Availability: 2 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 16 days

Our Price: $195.13 EA

List Price: ~~195.14 EA~~

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5039™ Nuva-Sil® Silicone Adhesive, 300mL redirect to product page

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Loctite

5039™ Nuva-Sil® Silicone Adhesive, 300mL

Part #742348-30769

MFG #742348

Availability: 52 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 14 days

Our Price: $188.53 CQ

List Price: ~~188.54 CQ~~

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Loctite

LOCTITE® 5910™ RTV Silicone, Flange Sealant, Superior Flexibility Adhesion, 300mL tube

Part #231232-30769

MFG #231232

Availability: 9 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 22 days

Our Price: $69.43 Cartridge-CQ

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Loctite

LOCTITE® 59530™ Superflex™ RTV Silicone, Adhesive Sealant, 80mL Tube

Part #160809-30769

MFG #160809

Availability: 1 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 7 days

Our Price: $8.76 EA

List Price: ~~11.61 EA~~

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Loctite

LOCTITE® SI 5015™ Superflex® RTV Silicone, Blue, 80mL Tube

Part #270642-30769

MFG #270642

Available to Order - 0 on Hand

24 Arriving From Manufacturer On: 12/19/2025
Manufacturer Estimated Lead Time When Not In Stock: 13 days

Our Price: $10.98 Each-EA

List Price: ~~12.48 EA~~

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Loctite

RTV5900 One Component Non-Corrosive RTV Silicone Flange Sealant, 50 lb Pail, Black

Part #230153-30769

MFG #230153

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 7 days

Our Price: $10,701.25 PA

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Loctite

LOCTITE® RTV-5421™ Electrically Adhesive Silicone Sealant, 50 mL Cartridge, Tan

This item has a required storage/handling temperature range outside of ambient. Please review the TDS for more information.

This item must be shipped with dry ice. Your order will be subject to an additional fee which will appear on your invoice.

Part #236637-34899

MFG #236637

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 38 days

Our Price: $982.74 EA

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598™ Black, High Performance RTV Silicone Gasket Maker, 300 ml Cartridge redirect to product page

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Loctite

598™ Black, High Performance RTV Silicone Gasket Maker, 300 ml Cartridge

Part #135508-30769

MFG #135508

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 47 days

Our Price: $49.62 EA

List Price: ~~58.87 EA~~

QTY

5056™ Silicone Light Cure Adhesive Sealant, 25mL Syringe redirect to product page

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Loctite

5056™ Silicone Light Cure Adhesive Sealant, 25mL Syringe

This item is a hazardous material and MAY be subjected to extra shipping charges/fees. If the product requires extra charges, ground hazmat items will be charged a $30.00 fee per carton and air hazmat items will be charged a $60 fee per carton.

This product is often used for medical device manufacturing/assembly. Please refer to the product description for more detail.

Part #1214249-30769

MFG #1214249

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 45 days

Our Price: $72.74 EA

List Price: ~~79.54 EA~~

QTY

5056™ Medical Device UV Light Cure Silicone Adhesive Sealant, 1 Liter Bottle redirect to product page

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Loctite

5056™ Medical Device UV Light Cure Silicone Adhesive Sealant, 1 Liter Bottle

Part #1214250-30769

MFG #1214250

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 27 days

Our Price: $583.57 EA

List Price: ~~638.10 EA~~

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5620™ Silicone Potting Compound, Ultra Clear, 400mL Dual Cartridge redirect to product page

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Loctite

5620™ Silicone Potting Compound, Ultra Clear, 400mL Dual Cartridge

Part #1257478-30769

MFG #1257478

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 22 days

Our Price: $193.76 Each-EA

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Loctite

LOCTITE® 5145 RTV Silicone Sealant 3 Ounces Tube CR Translucent

Part #135311-34899

MFG #135311

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 70 days

Our Price: $49.14 EA

List Price: ~~55.70 EA~~

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Loctite

RTV-5140™ Silicone Sealant, 85 g (3 oz) Tube, Clear 10/CA

Part #135264-34899

MFG #135264

Availability: 68 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 69 days

Our Price: $41.41 Tube-TB

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Loctite

SI 5900® Flange Sealant, Heavy Body RTV Silicone , 300 ml Cartridge

Part #212184-30769

MFG #212184

Availability: 24 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 13 days

Our Price: $77.29 Each-EA

List Price: ~~88.36 EA~~

QTY

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Loctite

598™ Black, High Performance RTV Silicone Gasket Maker, 70 ml Tube, Carded

Part #234609-30769

MFG #234609

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 13 days

Our Price: $21.25 EA

List Price: ~~26.28 EA~~

QTY

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Loctite

RTV-5140™ Silicone Sealant, 300 mL/10.8 oz Cartridge, Clear

Part #135263-34899

MFG #135263

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 50 days

Our Price: $66.06 EA

List Price: ~~80.94 EA~~

QTY

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Loctite

LOCTITE® 5045™ Neutral Cure Alkoxy RTV, Paste

Part #735891-30769

MFG #735891

Availability: 2 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 16 days

Our Price: $195.13 EA

List Price: ~~195.14 EA~~

QTY

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Loctite

5039™ Nuva-Sil® Silicone Adhesive, 300mL

Part #742348-30769

MFG #742348

Availability: 52 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 14 days

Our Price: $188.53 CQ

List Price: ~~188.54 CQ~~

QTY

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Loctite

LOCTITE® 5910™ RTV Silicone, Flange Sealant, Superior Flexibility Adhesion, 300mL tube

Part #231232-30769

MFG #231232

Availability: 9 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 22 days

Our Price: $69.43 Cartridge-CQ

QTY

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Loctite

LOCTITE® 59530™ Superflex™ RTV Silicone, Adhesive Sealant, 80mL Tube

Part #160809-30769

MFG #160809

Availability: 1 In Stock

Manufacturer Estimated Lead Time When Not In Stock: 7 days

Our Price: $8.76 EA

List Price: ~~11.61 EA~~

QTY

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Loctite

LOCTITE® SI 5015™ Superflex® RTV Silicone, Blue, 80mL Tube

Part #270642-30769

MFG #270642

Available to Order - 0 on Hand

24 Arriving From Manufacturer On: 12/19/2025
Manufacturer Estimated Lead Time When Not In Stock: 13 days

Our Price: $10.98 Each-EA

List Price: ~~12.48 EA~~

QTY

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Loctite

RTV5900 One Component Non-Corrosive RTV Silicone Flange Sealant, 50 lb Pail, Black

Part #230153-30769

MFG #230153

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 7 days

Our Price: $10,701.25 PA

QTY

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Loctite

LOCTITE® RTV-5421™ Electrically Adhesive Silicone Sealant, 50 mL Cartridge, Tan

Part #236637-34899

MFG #236637

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 38 days

Our Price: $982.74 EA

QTY

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Loctite

598™ Black, High Performance RTV Silicone Gasket Maker, 300 ml Cartridge

Part #135508-30769

MFG #135508

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 47 days

Our Price: $49.62 EA

List Price: ~~58.87 EA~~

QTY

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Loctite

5056™ Silicone Light Cure Adhesive Sealant, 25mL Syringe

Part #1214249-30769

MFG #1214249

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 45 days

Our Price: $72.74 EA

List Price: ~~79.54 EA~~

QTY

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Loctite

5056™ Medical Device UV Light Cure Silicone Adhesive Sealant, 1 Liter Bottle

Part #1214250-30769

MFG #1214250

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 27 days

Our Price: $583.57 EA

List Price: ~~638.10 EA~~

QTY

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Loctite

5620™ Silicone Potting Compound, Ultra Clear, 400mL Dual Cartridge

Part #1257478-30769

MFG #1257478

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 22 days

Our Price: $193.76 Each-EA

QTY

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Loctite

LOCTITE® 5145 RTV Silicone Sealant 3 Ounces Tube CR Translucent

Part #135311-34899

MFG #135311

Available to Order - 0 on Hand

Manufacturer Estimated Lead Time When Not In Stock: 70 days

Our Price: $49.14 EA

List Price: ~~55.70 EA~~

QTY

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