CART

Casting shoeprints

 

Foot- and tireprint casting kit


This Footprint Investigation kit has been especially composed for the fixing and casting of tire- and footprints found in sand and mud. Apart from the usual tools and plaster, the kit is provided with a special fixative in aerosol form for fixing the surface of the impresssions. A release agent is included to facilitate loosening of the casted imprint. A photo ruler, clearly readable against all surfaces, is an important aid in photographing the impression
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E-1000
Foot- and tireprint casting kit
 
C - 6000    1 SLM, aerosol with silicone-based releasing agent
C - 12000 1   Plastic spatula
C - 25000 1   Forceps, rounded, length 25 cm
E - 11000 1   Unifix, aerosol, fixative for shoe- and tireprints
E - 15000 1 Universal sprayer, complete with propellant
E - 26000 2 kg plaster of Paris
E - 40100 1 Casting frame, metal
E - 47000 1 Photo ruler
E - 50000 1 Brass sieve for plaster, 16 cm diameter, 6 cm high
E - 55000 1 Rubber mixing bowl, 2 liter capacity
E - 59000 2 Plastic containers for 1 kg plaster each
E - 60000 2 Plastic bottles for water, 1 liter capacity
E - 62000 10 Plastic footprint markers
E - 63000 1 Reinforcement gauze
E - 65000 1 Spoon, stainless steel
E - 67000 1 Large model plaster dispenser, plastic
E - 68000 1 Wire-cutter
E - 70000 10
Tongue spatulas (wood, 15 cm)
 

Plaster of Paris

Plaster of Paris for shoe impressions, white, extra hard. Package of 800 g and 1000 g in a pouch made of laminate material, for prolonged storage.

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E-26000
Plaster of Paris 800 g in pouch
 
E-26010
Plaster of Paris 1000 g in pouch
 
 

SLM release agent

Silicone-based release agent.
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C-6000
SLM, aerosol with silicone-based releasing agent
 
 

Unifix 16

Unifix will penetrate the porous structure of soil and sand to fix them, moist or not. The surface of the impression will be sealed and impenetrable for the plaster after preparation with Unifix.
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E-11000
Unifix-16, aerosol, fixative for shoe- and tireprints, 400 ml
 
E-11100
Unifix-6, aerosol, fixative for shoe- and tireprints, 150 ml
 
Unifix is used for preparing shoe impressions in loose soil before casting with plaster of Paris.
Unifix will penetrate the porous structure of soil and sand to fix them, moist or not. The surface of the impression will be sealed and impenetrable for the plaster after preparation with Unifix. The result will be a cast with better details and less adhering soil.
 
If the soil with the impression is very loose like pure sand (on the beach or in the dunes for example) it is best to first make the impression slightly humid by spraying a fine mist of water over it (spraying horizontally) so that the water droplets drift to the surface by gravity. Then proceed with spraying with Unifix.
 
To not disturb the impression the aerosol can should be kept at a distance of 25 to 30 cm and moved in a zigzag pattern while going from one end of the impression to the other. To prevent caving in of the impression it is best to start fixing with the outside of the shoe impression.
 
It is best to spray "wet on wet" when fixing with Unifix - so not let the layers dry in between subsquent sprayings. Drying of the Unifix will be faster when the temperature is higher and airflow (wind) stronger.
 
As a last step before the pouring of the plaster a treatment with silicone spray (SLM) can be done. This will further prevent soil particles from adhering to the cast.
 

Universal sprayer

Universal sprayer, consists of a glass reservoir (180 ml) and a replaceable pressure unit with a non-CFC propellant.
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E-15000
Preval Sprayer with glass jar
 
E-15100
Preval power pack only
 
E-15200
Glass jar for Preval sprayer
 
 

Casting frame metal

Metal casting frame, extendable from 21 to 40 cm. The width is 14 cm. White, powder coated aluminium.
 
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E-40100
Metal casting frame, extendable from 21 to 40 cm, 14 cm wide
 

 

Mixing bowl/sieve

To mix plaster with water a plaster-mixing bowl is useful. When the bowl cannot be cleaned immediatly, the plaster can be broken loose from the bowl once the plaster has hardened, by kneading/deforming the rubber bowl (1.9 liter when filled to the rim).
To avoid lumps in the plaster a sieve can be used when the plaster powder is transfered to the mixing bowl.
Also used when underwater-casting a shoe impression in very shallow water (like puddles.)
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E-55000
Plaster-mixing bowl, thick-walled rubber, 1.9 liter capacity. Height: 9 cm, diameter 19 cm.
 
E-50000
Sieve for plaster. Stainless steel gauze and rim.
 

 

Contrast powder for impressions in snow

Latent Black and Latent Silver were originally developed for developing fingerprints. The powder is applied to the surface from an aerosol spray can. The same powder can also be applied to a shoe or tire impression in snow. The powder helps to improve the contrast of the impression.
 
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B-48000
Latent Silver, fingerprint and contrast powder, aerosol can of 6 fl.oz.
 
B-49000
Latent Black, fingerprint and contrast powder, aerosol can of 6 fl.oz.