Deuteron SF 707
Halogen-free surface additive with PTFE-like properties, at a 4.0 micron median particle size. The finer of the two SF grades, for thin films and the smoothest surface.
Halogen-free surface additive with PTFE-like properties, at a 4.0 micron median particle size. The finer of the two SF grades, for thin films and the smoothest surface.
Deuteron SF 707 is a micronized duromeric plastic powder based on polymethylurea. The synthesis gives compact particle structures with high hardness and a low coefficient of friction, and that combination is what lets an organic powder do the job a fluoropolymer usually does.
Deuteron states that the SF products can be used as a 1:1 offset to replace PTFE-based surface protection additives and waxes. For a formulator working through a fluorine-free reformulation, that is the practical starting point: match the loading and trial it.
SF 707 is the finer of the two SF grades, at 4.0 microns dv50, 8.0 dv90 and 12.0 dv99. That is the grade to specify in thin films and wherever a coarser particle would be visible or felt on the surface. SF 505 is the coarser option at 7.0 microns dv50.
It contains no halogens and no fluorine, and the polymer is biodegradable.
| Property | Typical value |
|---|---|
| Appearance | Fine white powder |
| Density | approx. 1.47 g/cm³ |
| Particle size dv50 | approx. 4.0 µm |
| Particle size dv90 | approx. 8.0 µm |
| Particle size dv99 | approx. 12.0 µm |
| OH content | approx. 0.27 percent |
| Temperature resistance | Over 200 °C, short-term over 300 °C |
Dosage: A typical addition range of 0.5 to 4.0 percent. The level depends on the binder type, other additives, solvent content and the application parameters, so determine it with a ladder study.
Typical values from the manufacturer's technical data sheet. They describe the product, they are not a specification. We will send the current TDS and the batch documentation your qualification needs.
Tell us the binder system, the property you are targeting, and the volume you expect. We will confirm the grade, send the documentation, and ship a sample from North American stock.
Compatible without specific wetting agents or dispersing aids.
Usable as a stand-alone additive or alongside others.
Including UV curable coatings.
The particle size distribution suits both.
A pleasant surface feel without a fluoropolymer.
It is specified where the formulation needs a reduced coefficient of friction, scratch and polishing resistance, low impact on gloss level at low dosages, a pleasant surface feel, recoatability, and less haze and settling than ptfe.
PMU chemistry is highly compatible across a wide range of systems, so SF 707 can be incorporated with a high-speed stirrer without specific wetting agents or dispersing aids.
It is shear stable in high shear processes. Do not grind it in a bead mill: the particle size distribution is what produces the surface effect.
Package sizes: Paper bag, 25 kg net.
Storage: 24 months at room temperature in dry conditions.
Under Regulation (EC) No. 1272/2008 Deuteron SF 707 is not classified as a dangerous product and does not require hazard labelling. It is halogen free and the polymer is biodegradable. The safety data sheet and the regulatory information sheet carry the detail your review will want.
Deuteron states the SF grades can be used as a 1:1 offset to replace PTFE-based surface protection additives and waxes, so that is where to start the trial. Every formulation behaves differently, so run a ladder study around the offset rather than assuming it. Ask us for the Alternatives to PTFE technical information and a sample.
No. It is polymethylurea, an organic urea-based thermoset that is halogen free, with no fluorine in it. That is the reason the chemistry is used as a route away from PTFE in coatings.
By how fine the surface needs to be. SF 707 is 4.0 microns dv50 with a dv99 of 12.0, so it stays smooth in a thin film. SF 505 is 7.0 microns dv50 with a dv99 of 18.0. Both cover thin and thick applications and both dose at 0.5 to 4.0 percent.
Not much at the loadings it works at. Deuteron lists a low impact on gloss level at low dosages as one of its properties, which is what separates a surface additive from a matting agent. If you want gloss down as well, the MK matting grades are the ones to look at.
It improves it. Recoatability is a common problem with PTFE and wax surface additives, because a low-energy surface resists the next coat. Deuteron lists recoatability as one of the properties the SF grades improve.
Yes. We send the Technical Data Sheet (TDS), Safety Data Sheet (SDS), Regulatory Information Sheet, and Alternatives to PTFE technical information on request, in the manufacturer's current revision. Use Request TDS or SDS above and tell us what your qualification review needs.
The coarser grade at 7.0 microns dv50.
The PTFE-modified wax, where fluorine is not a constraint.
PMU matting agent where gloss reduction is the objective.