Our 5300 series primers boast a true direct to metal resin (same as in our clears) which means it can be used on the entire vehicle. Many others claim to be direct to metal but tell you not to apply on anything larger than the size of a quarter. Another unique attribute of this series is that has a really high build much like a polyester filler primer. However, while our build is the same, it has flexibility and won’t crack like a polyester. It also uses an actual ISO hardener that allows it to crosslink to the substrate. The cheaper polyester primers only use MEKP which does nothing than offer a chemical reaction which is a weak point in refinishing. If that wasn’t enough the 5311 has rust encapsulation properties. What that means is that if you have blasted a car and it sat overnight and has flash rust can simply scuff and clean the panel and apply directly over the rust. We have actually taken this to the extreme to see how well this primer will encapsulate. Over 10 years ago we took a rusty panel and applied 5311 over it. Since that time it has been out in elements and the rust has not come back through. As said this is an extreme case and we don’t recommend going over heavy rust like this but the product has proven to withstand the torture. Another nice feature of the 5300 series primers is that they can be reduced and used as a silky-smooth sealer which allows you to use one product instead of having to buy a dedicated primer and a dedicated sealer. It is available in white, black and grey. These products were not designed to provide protection on vehicles left outside in the elements and we recommend first applying our DTA epoxy first if using on a long-term restoration.
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Q: I thought just Black was DTR? What colors are DTM vs DTR???
A: All of Tamco's primers are not only DTM, but also DTR now. We moved forward making all the colors with the DTR (Direct To Rust) additive! So White, Grey & Black. Dont forget you can Tint the White and Grey!
Q: Can DTM/DTR also be a sealer? I've seen where people talk about a sealer at Tamco??
A: YES!!! Mix our primer mixed at a 4:1:2 will make HP53XX Series into a sealer!!
Tamco Tip, USE OUR REDUCER!! Moisture in reducer is NOT your friend. HR Urethane Reducers HERE:
Q: What does DTR really mean? What is direct to rust? Can I just paint this primer over rusted parts?
A: Always treat the rust. It cant be scaly. You must wire brush the rust. Rust cannot be in the "falling off state". DTR means Direct To Rust. It is DTR as we add an additive.
Q: What type of cleaner is acceptable before painting over rust?
A: Only our HR397 Wax & Grease Remover is acceptable. It is so aggressive (wear respirators everyone its strong). HR397 Wax & Grease Remover HERE:
Q: Will this 100% stop rust? What are the changes of rust popping through later??
A: If you put it on over 3.5 mils thick it will stop rust. Before you paint, take the time to prepare your surface properly.
Q: I normally spray primers in the 50 degree temps. Why can't I use your primer in the 50's??
A: You may not realize it, but most likely you are using whats called alkyd, or polyester urethane. A code name for "enamel paint". Enamel based primers will cure without a hardener (although adding hardener improves their durability). There is metal dryers in those "other brands."
Hardener stops working at about 60 degrees. So when you buy our DTM primer and using our hardener, Your primer will not dry as its designed to.
Heat up your area.
Feel free to email suggestions (or photos) to Info@TamcoPaint.com
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