Flex 310 M Classic Universal Sealant Black 310ml

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  • High bond strength and permanently elastic
  • Universal adhesive with exceptional versatility
  • Silicone free and suitable for indoor and outdoor use

Weicon Flex 310 M Classic Universal Sealant is a high quality, German engineered and manufactured, grade of elastic adhesive that remains permanently elastic after curing. It creates strong bonds and has outstanding resistance to ageing and UV. This MS polymer based adhesive is also completely free of silicones, solvents, halogens and isocyanate.

Flex 310 M Classic Universal Adhesive is ISEGA certified for use as an adhesive in food technologies and is both fresh water and salt water resistant. This high quality, 1-part sealant bonds well to a wide range of materials including stone, glass, wood, ceramic, metals and many plastics. 

Applications for Flex 310 M Classic Universal Sealant

  • Tank sealing, construction and repairs
  • Electrical repairs
  • Sealing around light fittings
  • Shop fitting and displays
  • Plastic processing
  • Automotive, aerospace and marine interior work
  • Boat and yacht construction
  • Heating, air conditioning and ventilation work
  • Metal construction
  • Anywhere silicone adhesives are not suitable or permitted



Do I need any special equipment to use this?

No. Weicon Flex 310 M Classic Universal Adhesive Sealant can be applied using standard caulking guns.  

How long does it take to cure?

Elastic adhesives cure by reacting with the humidity in the surrounding environment so cure time is impacted by both the room temperature and humidity. Assuming 50% relative humidity and a temperature of about 23°C, you can expect curing to occur at a rate of 2-3mm per 24 hours. This is measured from the sealants surface working in.

In higher temperatures and/or humidity, curing will be accelerated. Skin over time is 10 minutes (approximately).

How long have I got to work with it?

Skin over time is 25 minutes. This is based on an assumed working environment of approximately 23°C and 50% relative humidity. Higher temperatures and/or humidity will shorten this time a little while the inverse is also true.

Colour: White, Grey, Black

Continuous Temperature Resistance: -40°C to +90°C

Short-Term Temperature Resistance: 130°C (2 Hour Maximum)

Skin-Over Time: 25 Minutes

Cure Speed: 2-3mm in the first 24 hours

Shore Hardness: 42 Shore A

Food Grade: Yes (ISEGA Approved)

Potable Water: No

Elongation at Break: 650%

Maximum Depth: 5mm

Maximum Width: 25mm

Building Material Category: B 2

IMPA: 81 52 71 (White), 81 52 72 (Black), 81 52 73 (Grey)

ISSA: 75.634.30 (White), 85.634.31 (Black), 75.634.32 (Grey)

SKU SWP000040
Brand Weicon

Weicon Flex 310 M Classic Universal Adhesive Sealant Technical Data Sheet

Weicon Flex 310 M Classic Universal Adhesive Sealant TDS

Weicon Flex 310 M Classic Universal Adhesive Sealant Safety Data Sheet

Weicon Flex 310 M Classic Universal Adhesive Sealant SDS


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