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Clear Casting Resin

Clear Casting Resin a non-yellowing, UV resistant, optically clear casting resin. Clear casting resin has a working life of 16 minutes and a demold time of 24 hours. Makes beautiful lifecastings. Try a 2-quart kit. See details here .
Brand

Availability: In stock

Product Name Price Qty
Clear Casting Resin 1-Pint Kt
Price: $27.95
Clear Casting Resin 2-Qrt Kit
Price: $79.95
Clear Casting Resin 2-Gal Kt
Price: $279.95
Clear Casting Resin 10-Gal Kt
Price: $599.95
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Clear Casting ResinClear Casting Resin
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     Applications

    Clear Casting Resin is an optically clear polyurethane casting resin used where a hard, UV resistant, non-yellowing product is required. Clear Casting Resin is often used to encapsulate objects. Some of the most common uses of Clear Casting Resin are point-of-purchase displays, rapid prototypes, special effects, sculpture reproductions, giftware, etc.

    Characteristics

    Clear Casting Resin is a two-part polyurethane casting system. Clear Casting Resin is mixed one-to-one by volume and cures at room temperature. Cured Clear Casting Resin is UV resistant and non-yellowing. To preserve the surface clarity of Clear Casting Resin, we recommend that you use a platinum-cure or condensation-cure silicone mold material such as LifeRite.

    Clear Casting Resin provides a combination of performance properties including optical clarity, mechanical strength, hydrolysis resistance, gloss retention, and yellowing resistance. Each user must individually determine the suitability of this product for the process intended; furthermore, the conditions under which parts are made must also be taken into consideration.

    Applications

    Clear Casting Resin is an optically clear polyurethane casting resin used where a hard, UV resistant, non-yellowing product is required. Clear Casting Resin is often used to encapsulate objects. Some of the most common uses of Clear Casting Resin are point-of-purchase displays, rapid prototypes, special effects, sculpture reproductions, giftware, etc.

     Characteristics

    Clear Casting Resin is a two-part polyurethane casting system. Clear Casting Resin is mixed one-to-one by volume and cures at room temperature. Cured Clear Casting Resin is UV resistant and non-yellowing. To preserve the surface clarity of Clear Casting Resin, we recommend that you use a platinum-cure or condensation-cure silicone mold material such as LifeRite.

    Clear Casting Resin provides a combination of performance properties including optical clarity, mechanical strength, hydrolysis resistance, gloss retention, and yellowing resistance. Each user must individually determine the suitability of this product for the process intended; furthermore, the conditions under which parts are made must also be taken into consideration.

    Instructions for Use

    Measure Curative and Pre-polymer

    Note: Clear Casting Resin provides approximately 15 minutes for you to mix and pour the casting before it begins to gel.

    Using two clean, dry, plastic containers of equal size, measure equal amounts of the curative (part A) and the pre-polymer (part B). Do not measure more Clear Casting Resin than you can pour within its 15 minute pot life.

    Mix Curative and Pre-polymer

    Note: Once you mix the curative and pr-epolymer, you have approximately 15 minutes to pour the casting.

    After you prepare the mold and measure the curative and pre-polymer, you are ready to pour the curative and pre-polymer into another clean, dry, plastic container. Combine the two ingredients for approximately 45 seconds, being careful to prevent air bubbles from forming. Use a plastic or metal utensil to mix Clear Casting Resin. You can use a vacuum chamber to help remove any air bubbles that form during mixing.

    Pour Casting

    You should take your time to carefully pour it into the mold. The best way to pour a casting with Clear Casting Resin is to tilt your mold slightly and pour into one spot of the mold. Pour slowly so that any air bubbles that may have formed during mixing can break over the lip of the container as it pours out. When you have finished pouring your casting, you may tap the sides of the mold or vibrate the mold to help release additional air bubbles.

    Demold and Cure Casting

    Once you have poured your casting, do not disturb the mold or demold the casting for 24 hours. Although you may work with your cast immediately after demolding, for best results we strongly recommend that you post cure your cast for 6 hours at 160°F (72°C).  The post cure improves the heat distortion temperature as well as numerous other properties of the material.

     Properties

    Curative (Part A) and Pre-polymer (Part B )

    The following table explains the properties of the curative and pre-polymer of 
    Clear Casting Resin before they have been mixed.

    Property

    Curative (Part A)

    Pre-polymer (Part B)

    Color

    Clear

    Clear

    Mix Ratio by Weight

    1

    1.04

    Mix Ratio by Volume

    1

    1

    Shelf Life

    6 Months

    6 Months

    Specific Gravity @ 75° F (24° C)

    1.03

    1.07

    Viscosity @ 75° F (24° C), CPS

    600

    100

      Mixed Curative (Part A) and Pre-polymer (Part B)

    The following is a summary of the properties of Clear Casting Resin after the 
    curative and pre-polymer have been mixed.

    Property

    Time

    Temperature

    Mix Time

    45 Seconds

    75° F (24° C)

    Pot Life

    15 Minutes

    75° F (24° C)

    Gel Time

     20 Minutes

    75° F (24° C)

    Demold Time

    24 Hours

    75° F (24° C)

    *Pot life, gel time, and demold time vary depending on mass, mold temperature, 
    and component temperature.

    Cured Clear Casting Resin

    The following table explains the properties of Clear Casting Resin after it has cured.

    Property

    Cured Product

    Color

    Clear

    Elongation, ASTM D412-80, %

    <10

    Heat Distortion Temperature, ASTM D648*

    137° F (58° C)

    Rebound, Bashore, ASTM D2632-74, %

    18

    Reversion Temperature

    270° F (132° C)

    Shore Hardness, ASTM D2240-75

    D84±2

    Linear Shrinkage, ASTM D2566, in/in

    .0015

    Specific Gravity, ASTM D792-66

    1.05

    Tear, Die C, ASTM D624-73, PLI

    836

    Tear, Split, ASTM D470-71, PLI

    81

    Ultimate Tensile, D412-80, PSI

    6456

    *Post curing at 160°F (72°C) for 6 hours increases the heat distortion 
    temperature up to 30%.

    Storage and Handling

    Keep the Clear Casting Resin containers tightly closed when not in use and store in a cool, dry place. Do not expose the Clear Casting Resin curative or pre-polymer to moisture! If moisture contaminates Clear Casting Resin, it will not cure. If these storage requirements are met, Clear Casting Resin carries a shelf life warranty of six months. Be sure to read the Material Safety Data Sheet that comes with Clear Casting Resin before using it. As with any polyurethane, observe the following safety precautions.

    ·     Use only in well-ventilated areas.

    ·     Wear chemically resistant rubber gloves, safety glasses, and an apron.

    ·     Avoid prolonged or repeated contact with skin.

    ·     In case of skin contact, wipe affected area with isopropyl alcohol, 
    followed by soap and water.

    ·     In case of eye contact, flush eyes with water for 15 minutes and 
    consult a physician.

    ·     If swallowed or comes into contact with eyes, seek medical attention immediately

     

Additional Information

SDS SHEET SDS-CLEAR_CASTING_RESIN-PART_A_B.pdf
TECHNICAL BULLETIN N/A
Free Shipping N/A

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