Masking for Grit Blast

Abrasive blasting is often used to etch and prepare surfaces prior to application of thermal spray coatings. In many cases, only selected areas of the target  product require surface preparation so non-target areas must be protected from the abrasive grit spray. PTFE Group offers a wide range of Thermal Spray Masking Materials that effectively meet this need.

The opportunity for cost savings begins with the quality standards that are engineered into all PTFE Group Performance Materials.
Because our Thermal Spray Masking Solutions are designed to withstand the extreme temperatures and abrasion of both Thermal Spray Coating processes, they are also well suited to resist the abrasive forces of the Grit Blasting process. Savings therefore begin when materials can be applied just once and used for both processes, Grit Blasting and Thermal Spray Coating, and with just one or two layers. The result is less time spent, and less material used. Also, our adhesives are engineered to hold fast during the Grit Blast and Thermal Spray Coating processes, while releasing cleanly afterwards, without added clean-up, and without added time. The increased efficiency of PTFE Group Performance Materials leads to a leaner, more profitable operation.

Recommended Materials

Masking For Grit Blast and Thermal Spray Coating
The spectrum of PTFE Group solutions is well suited for the demands of both grit blast and thermal spray coatings so savings can be achieved by masking for both processes just once, in a single step.

Various weights, thickness, resistances and flexibility ensure the best available fit for the application. The following recommendations suggest the best fit for each grit blast and thermal spray coating combination.

37 Grit and Higher/Wire Arc Spray: 170-10s YL, 170-10s Green, 170-10s Red, S/W 35, and/or HVMC/APMC*
36 Grit and Lower/Wire Arc Spray: 170-10s Green,  S/W 35, and/or HVMC/APMC
37 Grit and Higher/Flame Spray:  170-10s YL, 170-10s Green, 170-10s Red, 190-7s, and/or HVMC/APMC
36 Grit and Lower/Flame Spray: 170-10s Green, 170-20s YL,  and/or HVMC/APMC
37 Grit and Higher/Plasma Spray: 170-10s YL, 170-10s Green, 170-10s Red, and/or HVMC/APMC
36 Grit and Lower/Plasma Spray: 170-10s Green, 170-20s YL, and/or HVMC/APMC
37 Grit and Higher/Gas Fueled HVOF:  HVMT Orange, HVMC/APMC
36 Grit and Lower/Gas Fueled HVOF: HVMT Orange, HVMC/APMC
37 Grit and Higher/Liquid fueled HVOF: HVMT Orange, HVMC/APMChttp://hvmt
36 Grit and Lower/Liquid Fuel HVOF:  HVMT Orange, HVMC/APMC