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Toolmark aids

 

Mixing pads

Mixing pad containing 100 sheets coated paper sized 15 x 24 cm (C-10100) and 8 x 15 cm (C-10000). The cardboard bottom sheet has an anti-slip layer.
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C-10000
Mixing pad containing 100 sheets coated paper sized 8 x 15 cm.
 
C-10100
Mixing pad containing 100 sheets coated paper sized 15 x 24 cm.
 

 

Mixing dish

Polypropylene mixing dish. The cross-section of the mixing dish is 10 cm (about 4 inch).
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C-11000
Polypropylene mixing dish.
 
 

Svedia spatula

Svedia (white plastic) mixing spatula. The length of the spatula is 19.5 cm.
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C-12000
Svedia (white plastic) mixing spatula.
 
 

Photo ruler

Photo ruler, especially for the photographing of bite marks (ABFO No. 2).
 

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E-48500
Photo scale in the style of the ABFO No. 2, PVC (vinyl)
 
 

Testmarks

For making test marks (for example, striation marks made by a screw driver) sheet-lead is often used. In most cases, a good alternative is a wax sheet. The sheets have a dimension of 190 x 90 mm and a thickness of 1.5 mm. Depending on personal preference and the ambient temperature the soft, normal, or hard variant is used.
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C-13000
Wax sheets for striation marks, box of 23, normal/regular
 
C-13100
Wax sheets for striation marks, box of 23, soft
 
C-13200
Wax sheets for striation marks, box of 23, hard
 
 

Preparation of replica

The polyether casting compound Permadyne is an excellent material for use in preparing a replica of an object. Once the object (for example a tool) that needs to be examined has been cast with Permadyne, and a mold created this way, one or more high quality replicas can be made with (gray) Silmark silicone casting compound.

The Silmark replica is of such high fidelity that it can be used in microscopic comparison examinations. A replica is particularly convenient in comparative examinations between a tool and its impression when, for example, the tool is relatively large. The replica can be compared with the cast made at the actual crime scene instead of a cast made from a comparison mark. Positioning a large tool under the microscope can thus be avoided.

A replica has the added advantage that it can be kept at hand when the tool is returned to its place of origin.

Permadyne is available in two viscosities: high (pink-colored) and low (blue-colored) consistency. When the material must be pourable, as in casting the outsole of an athletic shoe, the low-consistency Permadyne can be used.

A package contains two tubes of base paste (120 ml each), two tubes of catalyst paste (15 ml each) and a mixing pad (18 x 2.5 cm siliconized paper, about 12 sheets).


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C-16000
Permadyne, high consistency. A package contains 2 tubes base paste, 2 tubes catalyst paste, and 1 mixing pad.
 
C-16100
Permadyne, low consistency. A package contains 2 tubes base paste, 2 tubes catalyst paste, and 1 mixing pad.