M90 is the only malleable product to become rigid after curing. The final impression has a hardness of 90 Shore A, which means that it is non-flexible and cannot deform when removed from the mold. This plastiform can only be used on simple shapes, without any Extraction Constraint.

The rigidity of the M90 allows it to be measurable with contact. This feature can be useful for repeated indicative checks that do not require micron accuracy. Its rigidity is also highly appreciated to protect fragile parts, it prevents vibration and resonance phenomena.

The M90 is recommended for creating rigid impressions of simple external shapes (threads, grooves, grooves, etc.). It is generally used on medium to large parts.

Product	Initial consistency	Final consistency	Final hardness	Maximum extraction constraint	Working time at 20°c	Setting time at 20°c	Accuracy
M90	Manual Putty	Rigid	90	0%	+/- 45 sec	+/- 4 min	+/- µm	No	Yes

Applications

The M90 is suitable for the following applications:

• Dimensional control of simple external shapes.
• Reinforcement before machining.

These applications do not require any particular technique to be carried out by an operator. To apply the dough, we recommend that you mix the dough properly by hand and work the surface of the dough to obtain a smooth surface. Finally, apply the M90 to the entire surface you are looking for in a completely uniform way before the polymerization is too advanced.

Impression Measurement

The M90 impression is rigid, it is controlled with or without contact using visual measuring systems:

• Profile projector,
• Microscope,
• Optical measuring system.

or with contact:

• Caliper,
• Three-dimensional machine,

However, we recommend that you always use a visual inspection system when it is possible to do so because the results are much more efficient.

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