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NSP (Sulfur Free)
NSP is a sulfur-free, somewhat tougher, waxier, sculpting Plasteline, used widely in Fine Arts and Special Effects.
Can be melted and poured at approximately 185º F.
Block 2 pound weight.
Hardness : Hard
Red/Brown colour.
NSP was introduced in 1993. The intention was to eliminate the sulphur filler in a professional grade sculpting clay, which often caused inhibition problems with various liquid rubber mold-making materials. This NSP product line consists of
clays that contain higher percentage of wax components making the clays somewhat 'tuffer'. Available in Soft, Medium or Hard (terms only relevant to the NSP product line) these clays have good adhesive qualities, flexibility and length.
NSP is commonly used by artists for the creation of sculpture and is often used to fill cracks in industrial patterns or to build dams when making splash molds. Product designers who freehand sculpt also use NSP. NSP can be warmed to soften
but as it softens it also becomes sticky. Using small amounts of water, citrus-based solvents, lighter fluid, latex paint removers, turpentine or mineral spirits as a lubricant on the survace of the clay will help to attain a smooth survace.
NSP can actually be melted and poured as a casting, brushed or sprayed. The melting point is approximately 175°F (80°C).
Hardness Grade: 4 (soft), 7 (medium) and 8 (hard)
Density: 1,52 g/cm³ (soft), 1,59 g/cm³ (medium) and 1,76 g/cm³ (hard)
Volume/block: ~ 0,52 l
Working Temperature: Room Temperature up to 105°F (40°C)
NSP-Soft is generally used at room temperature. NSP-Medium and Hard are most often warmed to a temperature of 110°F - 120°F to soften it. When it returns to room temperature it also returns to the initial firmness.
Due to potential oxidation, if a model is expected to sit for months at a time, it may be best to keep it out of direct sunlight and to cover it with a plastic bag to prevent direct contact with air.
Wash hands with soap and water after use.
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