NovaWeld Flex 3HT & 6HT are two-part structural methacrylate adhesives formulated for applications intended for the powder coating process. Sharing common chemistry, they differ only in the functional cure-speed, allowing diversity of applications.
Both grades offer a high functional tensile shear strength after the initial cure, that further increases following an additional heat cure process (30 min@180ºC / 20 min@200ºC). This unique chemistry allows these grades to not only maintain a high functional strength through the powder coating process, but actually improve in all aspects of functional strength performance.
NovaWeld Flex 3HT & 6HT are very versatile, and can bond a wide variety of substrates without the need for surface primers or conditioners. Typical examples shown below:
Instructions For Use
Properties of Uncured Material
|Viscosity Brookfield T Bar||200,000- 280,000cps|
|Cure System||Non peroxide|
|Open Time||2 - 4 Minutes @20C ( NovaWeld Flex 3HT)|
|Open Time||4 - 6 Minutes @20C ( NovaWeld Flex 6HT)|
|Fixture Time||6 -10 Minutes @20C ( NovaWeld Flex 3HT)|
|Fixture Time||12 - 15 Minutes @20C ( NovaWeld Flex 6HT)|
Properties of Cured Material (Pre & Post Heat)
|Property||Parameter (Pre-Heat)||Parameter (Post Heat)|
|ASTM D1002 Lapshear (Aluminium)||16.09 Nmm2||18.00 Nmm2|
|ASTM D1002 Lapshear (Galvanised Steel)||15.92 Nmm2||16.40 Nmm2|
|ASTM D1002 Lapshear (Stainless Steel)||15.5 Nmm2||16.20 Nmm2|
|ASTM D1002 Lapshear (Mild Steel)||15.02 Nmm2||19.60 Nmm2|
|ASTM D1002 Lapshear (GRP)||5.80 Nmm2||N/a|
|Temperature Range||-55°C to 125°C|
|Shore Hardness||70 Shore D|
|Tensile Strength at Break (ISO 527 1A)||8.35 Nmm2|
|%age Elongation at Break (ISO 527 1A)||6%|
NovaWeld Flex 3HT & 6HT is available in 415ml Nylon cartridges for use with a twin cartridge dispensing gun.
Storage & Shelflife
NovaWeld Flex 3HT & 6HT should be stored unopened in a cool dry location, out of direct sunlight. Stored correctly this grade can offer a 12 month shelf life from manufacture.
Health and Safety in Use
NovaWeld Flex 3HT & 6HT is a methyl methacrylate and should not be used without consulting the MSDS, which contains full information regarding the use of this product, including Transport, Disposal, Toxicological, Exposure Controls, Accidental Release and First Aid measures essential to the safe use of this product.
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