Polytek Polyurethane Rubbers and Rubbers

Poly 74-30 -Polyurethane rubber for molds-

Poly 74-30 -Polyurethane rubber for molds-
  • Polyurethane rubber for molds.
  • Perfect for reproductions in concrete or cement.
  • Easy mixing and casting.
  • Shore Hardness 30A

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Kit of 900 gr.
Gallon Kit - (7.20Kgs)

19,00 €

No VAT
22,99 € (tax incl.)

The urethane rubber series Poly 74 and Poly 75 are urethane rubbers that offer higher than normal performance .

Poly 74-45 cures at room temperature without appreciable shrinkage. The mixture is very comfortable and is done in equal parts in volume.

It is not necessary to extract the air by vacuum hood and the resulting molds have a very high production.

Poly 74-45 works especially well with pigmented or colored concrete (concrete), in molds made with Poly 74-45 reproductions will have precise and uniform colors.


These rubbers are commonly used in the following applications:  concrete casting, sculpture and castingarchitectural reproduction and restoration, carpentry and ornamentation, candle making, industrial applications, craft and hobby applications , theming, and much more.

Gypsum and wax can usually be molded into polyurethane molds without any release agent, but most concrete mixtures and polyurethane resins require a suitable release agent (e.g., Pol-Ease  ® 2300 Release Agent). 

Product Mix Ratio Shore Hardness Working time Release time Colour
Poly 74-30 1A:1B A30 25-30 min. 16 hr. Amber
Poly 74-45 1A:1B A45 30 min. 16 hr. Yellow
Poly 75-65 1A:1B A65 35 min. 16 hr. Amber
TECHNICAL DATA SHEET
SAFETY DATA SHEET PART A
SAFETY DATA SHEET PART B

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Poly 74-30 -Polyurethane rubber for molds-

Poly 74-30 -Polyurethane rubber for molds-

  • Polyurethane rubber for molds.
  • Perfect for reproductions in concrete or cement.
  • Easy mixing and casting.
  • Shore Hardness 30A

Write your review

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