Sealants and sealant kits are widely used by both hobbyists and professionals for a broad range of protecting and waterproofing jobs. The best sealant type to use in a given scenario will depend on the surface materials and the location of the seal. There are many varieties of sealants, putties, and sealant remover kits on sale, with leading brands including Dow Corning and Bostik. While most tend to fall within one of a few basic categories - cement sealants, chemical sealants, or silicone sealants - there are also a number of sealants designed for more specialised purposes.

What’s the difference between sealant types?

Silicone sealants - among the most widely available sealant types, and ideal for a wide array of household, DIY and construction tasks.

Acrylic sealants - often a cheaper alternative to silicone for use on wood, aluminium, and UPVC, and can also be painted. They’re less flexible than most silicone versions, and more prone to eroding under certain application conditions.

Polyurethane foam sealants - extremely flexible/elastic and highly waterproof, ideal for sealing most metals and fibreglass.

Why is sealant modulus and cure type important?

High modulus sealants are less elastic but more hardwearing, and better suited to indoor applications as a kitchen or bathroom sealant (around baths, showers, sinks and worktops).

Low modulus sealants offer better flexibility and adhesion where slight movement of the joint may be a factor, but are less hardwearing overall. They’re generally best for outdoor and weather-resistant applications (perimeter seals and exterior UPVC).

Most sealants are available in one of two cure types - acetoxy and neutral.

  • High modulus sealants tend to be acetoxy cure, meaning they’ll cure faster and harder, and will emit a slight vinegar smell while doing so.
  • Low modulus sealants are often sold in natural cure variants, meaning they adhere better to a greater range of surfaces, cure slowly to a more elastic consistency, and give off little odour.

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รายละเอียดสินค้า / Description ราคา / Price Colour Sealant Type Application Package Size Package Type Minimum Operating Temperature Food Processing Safe Maximum Operating Temperature Chemical Type Physical Properties Trade Name Cure Time Product Form Chemical Composition
RS Stock No. 192-1526
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.5313 20MM
Brand :3M
Black Sealant Strip - - - -40°C - +100°C - - Scotch-Weld™ 5313 - - -
RS Stock No. 258-5979
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LOCTITE® SI 5368
Brand :Loctite
Black Silicone Sealant Bonding 310 ml Cartridge -60°C No +250°C Acetoxy - Loctite 5368 5 min Paste Silicone
RS Stock No. 283-426
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.158
Brand :Acc Silicones
Black Silicone Sealant Bonding, Sealing 75 ml Tube -60°C No +300°C Elastomer High Temperature Silcoset 158 7 (25 °C) h Paste -
RS Stock No. 146-3188
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3M 760 black 600ml
Brand :3M
Black Adhesive Sealant - 600 ml Cartridge -40°C - +100°C - - 760 UV 24 (>3.5 mm) h Paste -
RS Stock No. 512-783
Brand :RS PRO
Black Silicone Sealant Jointing 310 ml Cartridge -50°C No +100°C Elastomer Low Modulus, Neutral Cure - 7 (23 °C) days Paste -
RS Stock No. 146-3184
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3M 760 black 295ml
Brand :3M
Black Adhesive Sealant - 295 ml Cartridge -40°C - +100°C - - 760 UV 24 (>3.5 mm) h Paste -
RS Stock No. 901-5682
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.740010655
Brand :Acc Silicones
Black Silicone Sealant Engineering 310 ml Cartridge -60°C No +300°C Elastomer High Temperature, Tack-Free - 7 (3 mm) h Paste Thixotropic
RS Stock No. 208-5012
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.Alpha 007
Black Adhesive Sealant Sealing 300 ml Cartridge +5°C - - - - Ultrabond 007 - Liquid -
RS Stock No. 665-8573
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.1127070
Brand :Henkel
Black Silicone Sealant Sealing 100 ml Tube - No +200°C Acetoxy High Elongation Loctite 5940 - Paste -