It's great for flat surfaces that don't have ridges where conformity of the vinyl is less of a concern. I had Oracal 651 on my garage doors through cold, snowy winters, rainy springs, and excessively hot and humid summers with no issues. Oracal 651 is perfect as an adhesive vinyl for applications that will not be exposed to harsh, hot, or severe temperatures or conditions - even when used outside. There is definitely a place for 631, 651, and 751. Now with all this being said should crafters run out and replace their 651 vinyl stash with 751? No.

Sheets of 12 x 12' Oracal 651 are, on average, about 30% less expensive than the same size sheets of Oracal 751. One big disadvantage of Oracal 751 vinyl is the price is slightly higher than Oracal 651 or 631. More color options ( 78 glossy colors, plus transparent, matte black and matte white).The UV resistance also helps prevent bubbling, fading, and peeling caused by direct exposure to the sun. 'If they want decals for their cars or anything really long term outdoors (or in extreme environments like south FL and the desert SW), then 751 is a much better option,' according to Oracal. The manufacturer lists the life expectancy of 751 as 5-8 years vs 3-6 years on 651. It has a longer minimum life expectancy - Oracal 751 has a longer life expectancy than 651.That means both 651 and 751 should beįine temperature wise - but 751 has the advantage because it's thinner, more durable, and can't be lifted as easily. It is a better bet than 651 and it's definitely considered a high performance vinyl. While the manufacturer won't guarantee that Oracal 751c is dishwasher safe, That's 54 degrees hotter than Oracal 651 which is temperature resistant to 176 degree. It can withstand higher temperatures - Oracal 751 can withstand temperatures up to 230 degrees Fahrenheit.This means you can peel it up and re-position (before pressure has been applied) if you get a bubble, for example, without the vinyl stretching out of shape. 'T here is less chance of an edge getting nicked and lifted prematurely (especially from high pressure washings),' Oracal tells me.īecause 751 is more flexible, it's considered repositionable when lightly applied. It's Thinner - 751 is 0.5 mm thinner (2mm) than 651 (2.5mm) which means it's more flexible, conforms better, and flatter (is that a word) to the hard surface where it's applied.What does that mean to us as crafters? It means a lot! There are several advantages to cast (751) over cal (651 and 631): And that is true.but it's not always all about the adhesive strength when it comes to vinyl - it's how they're made.Īdvantages of Oracal 751c vs 651 and 631 Without getting too geeked up on vinyl, Oracal 751 vinyl is a cast vinyl while 651 and 631 are calendar vinyls. One thing that a lot of crafters and hobbyists get hung up on is the fact that Oracal 751 and 651 share the same adhesive strength.

Oracal 651 color options