Casting polyurethane clear gradual cure urethane transparent soft resin/MU 650
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- Supplier: PELNOX LTD.
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Product Overview
Description
Products Description
Transparent non-yellowing flexible two-component urethane resin
MU-650A / MU-650B
MU-650 is a two-component (Part A, Part B) polyurethane casting resin product.
This product is highly transparent, elastic, and excellent resistance to yellowing. As the product is transparent, it can be mixed with pigment to be made to your own design.
It is very fluid and can be poured in various designed components or cases very quickly.
In addition, MU-650 can be cured at room temperature, so it is suitable to be used with heat-sensitive materials.
Plastic food models, handmade models, waterproof/fixing LED, Embedding or fixing modules needed visual inspection.
Polyurethane is, due to its low halogen, environment friendly. This product contains NO mercury and fully complaint for RoHS regulation. In addition, it has no plasticizer, so it can reduce bleeding which may affect to surrounding components.
(4) Product information
As supplied （Typical Value）
Item | Condition | Unit | MU-650A | MU-650B | ||
Base | － | － | Polyol | Isocyanate | ||
Appearance | visual | － | Colorless transparent | Colorless transparent | ||
Specific Gravity | 25℃ | － | 1.05 | 1.12 | ||
Viscosity | 25℃ | mPa・s | 900 | 200 | ||
Mixing Ratio | parts by weight | 100/30 | ||||
Mixed Viscosity | 25℃ | mPa・s | 750 | |||
Pot Life | 25℃, cup, 100g | minute | 30 | |||
Gel Time | room temp., cup, 100g | minute | 40 | |||
Tackfree Time | room temp., cup, 100g | minute | 360 | |||
Time to Reach Full Cure | 25℃ | hours | 8 | |||
Item | Condition | Unit | Typical Value |
Appearance | visual | ー | Colorless transparent |
Hardness | 25℃ | Shore A | 45 |
Refractive Index | 22℃ | ー | 1.496 |
*Curing conditions : 25℃ - 8hrs
This product is made in Japan.
Please contact us for details.According to some country and regional regulation regarding chemical substances, this product may not be exported.
･Please keep in mind that if moisture was included in the mixing process, it will cause foaming and uncured.
・When color a resin, please add pigment into part A at first, after that stir evenly before use.
・If resin was crystallized, heat the resin at 60~80℃ for 30~60 minutes, and use it after the crystallized part melt. Please stop using the resin when you see crystalized part left even after the heating.
1. Calculate part A and part B quantity with product combination (mixing) ratio.
2. At first, put part B into a plastic cup and measure, then put part A into a plastic cup. Please use plastic cup because paper cup often has the moisture on the surface which may cause foaming.
3. Stir well part A with part B in the plastic cup. Please use a stirring bar or mixer. We recommend use a metal or plastic flat bar.
4. Stir well at the bottom and corner of the cup.
5. After stirring, defoam mixed resin immediately.
6. After defoaming, pour the resin into a case and cure it by standard curing schedule. Please note that poured resin may cause bubbles if there is water or moisture on the surface of a case.
1. Calculate part A and part B quantity with product combination (mixing) ratio.
2. At first, put part B into a plastic cup and measure, then put part A into a plastic cup. Please use plastic cup because paper cup often has the moisture on the surface which may cause foaming.
3. Stir well part A with part B in the plastic cup. Please use a stirring bar or mixer. We recommend use a metal or plastic flat bar.
4. Stir well at the bottom and corner of the cup.
5. After stirring, defoam mixed resin immediately.
6. After defoaming, pour the resin into a case and cure it by standard curing schedule. Please note that poured resin may cause bubbles if there is water or moisture on the surface of a case.
Company Profile
PELNOX, LTD.
We are a formulator of resin compounds and adhesives manufacturing company, offering more than 900 products to more than 1,000 companies around the world.We can assist the customers where needed, from the small quantity prototype stage, up to the development of resin products. That is a wide range of materials including epoxy liquids and powders, urethane, silicone, and conductive paste materials.
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