Product description
Polyol (component A) is a transparent liquid from yellow to brown colors.
Isocyanate component (component B) - polymer diphenylmethanediisocyanate brands: "Lupranat M 20 S", "Millionate-MR 200", "Wannate-PM 200", "Desmodur VKS 20 F", "Suprasec 5005", "Cosmonate M-200", "Ongronate 2100" - transparent non-delaminating brown liquid.
Physical and mechanical parameters
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Parameter
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Value
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Start time
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20-80 seconds
|
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Rise time(time for gelatinization)
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55 -170 seconds
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Apparent density during the free foaming
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50-65 kg/m3
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Product density
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80-120 kg/m3
|
|
Surface hardness
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20-25 Shore D
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Tensile strength
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30-40 kg / cm2
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Elongation at break
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7-8%
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Compressive strength
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0.5-0.8 N/ mm2
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Preparation and processing
- To ensure the reactivity and viscosity of the components, before processing bring the temperature of the component A to (+20) °C- (+25) °C, component B (+20) °C- (+25) °C.
- Mix polyol component (component A) with a paddle for 10-15 minutes or roll the barrels in a horizontal position for 20-30 minutes.
- The isocyanate component (component B) does not require any stirring if it was stored at a temperature not lower than +15°C. If the isocyanate component was stored at a temperature below +15°C, then slowly heat it to a temperature not higher than +50°C. Roll the barrel in a horizontal position to a homogeneous (homogeneous) state.
- Set the temperature on the mold to 20-30°C
- The ambient temperature should be at least 20°C.
Processing requirement
Processing is carried out on high-and low-pressure filling machines, as well as by manual filling.
- Apply a separation compound to the entire working surface of the mold.
- Ratio of the components A to B by weight should be: 100: 110.
- The temperature of the components A and B should be (+23) – (+25) °C.
- Fill the mixture in a continuous stream to fill the volume of the mold evenly, minimizing the appearance of air bubbles.
- Keep the product in the form for about 7-30 minutes at a temperature of (+ 20) - (+30) °C.
- Get the product out of the form and keep it for 48 hours at a temperature of (+ 20) -(+30) °C.
Health effects and precautions
When working with the system, use an insulating gas mask, a BKF or B gas mask, safety glasses with side pads, impermeable synthetic rubber gloves, clothing and shoes. The space where the work is carried out must be equipped with exhaust ventilation, workplaces – local suction and fire extinguishing means.
Storage recommendations
The warranty period is 12 months at a temperature of 20°C without opening the barrels.
Pictures and photos
Parts of a hive manufactured on the SKD-50 system. Read the article: Polyurethane Hives: Advantages and Disadvantages
Rights
Production of polyurethane materials and foamed polymeric materials is protected by patents and patent applications. This publication does not grant the right to carry out patented technological processes. The information and recommendations contained in this publication fully reflect Himtrust’s knowledge of the product to date. All the information is accurate to the best of our knowledge at the time of the publication. Nothing in this publication should be construed as a warranty. In all circumstances, it is the user’s responsibility to determine the applicability of such information or the product itself to the user's specific purpose