SONEPA manufactures a full line of plastic blasting media ideal for a vast range of uses including paint removal, surface preparation, deflashing, and contamination stripping.
 

No. Photo Description UF-401 Urea Formaldehyde Mouldings scrap and chipped mouldings  from  electrical accessories, dinnerware etc, white and pastel colours Barcol Hardness Range 54-62 Without dominos, metals, foils, black/brown components. M-402 Thermoset Melamine Formaldehyde scrap: Melamine mouldings and chiped mouldings scrap, white and pastel colours. Barcol Hardness Range 64-72. Without dominos, metals, foils, black/brouwn components. The Plastic Media Blast we offer: Standard and specialized mesh sizes Our PLASTIC MEDIA is manufactured in 2 major hardness types and 5 standard mesh sizes with specialty sizes available on request. The diversified PLASTIC MEDIA family of dry stripping abrasives meets the requirements of MIL-P-85891 - approved for use by the U.S. Army, Navy, Air Force and several armed services outside the US. Type II - Thermoset Urea Formaldehyde. 3.5 Moh Hardness; most heavily used type; significantly aggressive but forgiving. Selected applications: Fastest practical media for stripping aircraft, trucks, trailers, tractors, rail cars, vans, motor homes, marine vessels, cars, buses. Approved by U.S. Air Force for stripping airframes. TYPE V: Acrylic 3.2-3.5 Moh Hardness, longest lasting type.  Selected applications: For stripping aircraft structures, trucks, trailers, tractors, rail cars, vans, motor homes, marine vessels, cars, buses.  Considerably "more forgiving" in the hands of an operator. Grinding line PHYSICAL PROPERTIES      Barcol Hardness MOH Hardness Specific Gravity Apparent Density Type-II Urea  54-62 3.5 1.5 0.7-0.8 Type-III Melamine   64-72 4.0 1.52 0.7-0.8 Type-V Acrylic 46-54 3.2 - 3.5 1.2 0.6-0.7 Used for a variety of applications i.e. mould tool cleaning, any delicate application where no surface alteration is permitted, paint removal from aircraft, deposits from glass fibre/plastic boats.   CHEMICAL ANALYSIS Type II - Thermoset Urea Formaldehyde  PHYSICAL a. Bulk Density Untamped 0.7 g/cm3 PROPERTIES b. Shape Angular for Type II c. Colour Multi-coloured d. Specific Gravity 1.5 g/cm3 e. Hardness (54-62 Barcol) 3.5 Mohs STANDARD MESH TYPES SIZE RANGE AVAILABLE: Blended Sizes Available: - Higher number is finer 12/20 12/16 16/20 20/30 20/40 30/40 40/60 40/100  Key Benefits Most popular plastic stripping type Manufactured to MIL-P-85891A specifications Full range of sizes and packing options available Type III - Thermoset Melamine Formaldehyde  Melamine is engineered for stripping the most difficult surfaces while providing an effective stripping rate. Melamine is the most aggressive plastic abrasive, offering an excellent range of stripping capabilities. Melamine can be used as a replacement for glass beads and other harsh abrasives. CHEMICAL DESCRIPTION PHYSICAL a. Bulk Density Untamped 0.7 kg/m3 PROPERTIES b. Shape Angular - Cubical for Type III c. Colour Multi-coloured   d. Specific Gravity 1.5 g/cm3   e. Hardness (64-72 Barcol) 4.0 Mohs Key Benefits Highest aggression plastic blast media c. x6 aggression of Urea. Manufactured to MIL-P-85891A specifications. Full range of grades and packing variants available   UF-403 UF blast media spent scrap