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Three Component Polyurethane Prepolymer For Skate Wheel

Categories Polyurethane Prepolymer
Brand Name: JOYWAY
Model Number: JY-P+JY-I+JY-C
Certification: ISO9001
Place of Origin: China
MOQ: 1 pallet
Price: USD2.0 per kg
Payment Terms: T/T
Supply Ability: 10000T per year
Delivery Time: 10-14 days
Packaging Details: 20kg per drum or 200kg per drum with pallets
Color: A is light yellow liquid, B is transparent liquid
Flash Point: High
Odor: Less
Product Name: Polyurethane Prepolymer for PU mould
Shelf Life: 1 year in the original drum
Process temperature: 30-40 degree C
Specific Gravity: 1.1
Stability: stable
Storage Conditions: cool and dry place
Appearance: liquid
Application: To make pu skate wheel
Physical performation: Excellent
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    Three Component Polyurethane Prepolymer For Skate Wheel


    Three component Polyurethane Pre-polymer Polyurethane Pre-polymer for the skate wheel


    Description

    This system materials is three component. P is polyol component, and I is MDI-terminated pre-polymers, C is cat.


    Application

    This system material is used to produce middle rebound Polyurethane skate wheel.


    Characteristic

    It has excellent processing properties, cured under room temperature, short demould time, and the color can be changed by adding pigment. The final products are transparent which enjoy good abrasion resistance, water resistance, good resilience. The hardness is 80A.


    Characteristics of components & Physical properties


    ItemUnitTest StandardTechnical dataTest result
    JY-P
    Apparenace/50℃Light yellow transparent liquidLight yellow transparent liquid
    Water content%Q/0300HTXS002-2022≤0.50.03
    Viscositympa.sQ/0300HTX002-202250-15090.0
    JY-I
    Apparenace/50℃Colorless to Light yellow transparent liquidColorless liquid
    NCO%Q/0300HTXS002-20226.0-6.46.40
    Viscositympa.sQ/0300HTX002-2022200-400278.0
    JY-P+JY-I+JY-C
    RatiogQ/0300HTX002-2022P/I/C=39.37/100/10.6339.37/100/10.63
    Mixture temperatureoCQ/0300HTX002-202230-4535
    Gel timeminQ/0300HTX002-20221.5-32.0
    Post cure temp.oCQ/0300HTX002-2022100100
    Post cure timehQ/0300HTX002-20228-168-16
    HardnessShore AQ/0300HTX002-202278-8280
    Rebound%Q/0300HTX002-202250-5854

    Storage

    Store in a cool and dry place,If you can’t use it up at one time, Pls fill nitrogen gas and then seal it.

    Shelf life

    The storage time of original packing is 6 month at the above condition from the date of production.

    Packing

    20kg or 200kg per steel drum

    Operation by manual

    1.Take certain A component and C component as A+ to make reserve.

    2. Calculate B component to make reserve.

    3. Pour B component to A+ component and stir evenly.

    4. Cast the mixture of step 3 to the mould.

    6. Open the mould when the product is hard.

    7. Post cure 16 hours at 100℃.

    Note: The mixture in the step 3 can be vacuumized to get rid of bubble.

    Operation by casting machine

    1. Put some A component and C component into A tank, vacuumize to make reserve.

    2. Put some B component into B tank, vacuumize to make reserve.

    3. Cast the two materials according the ratio to the mould.

    4. Open the mould when the product is hard.

    5. Post cure 16 hours at 100℃.


    Safety

    Use in a well ventilated area. Avoid contact with skin using protective gloves and protective clothing. Repeated or prolonged contact on the skin may cause an allergic reaction.

    Eye protection is extremely important. Always use approved safety glasses or goggles when handling this product.

    If Contact Occurs:

    Skin: Immediately wash with soap and water. Remove contaminated clothing and launder before reuse. Seek medical attention if allergic reactions occur.

    Eyes: Immediately flush with water for at least 15 minutes, contact a physician.

    Ingestion: If swallowed, contact a physician immediately. Remove stomach contents by

    gastric suction or induce vomiting only as directed by medical personnel.

    Never give anything by mouth to an unconscious person.

    Note 1

    It generally cures to a demouldable state in 30 to 60 minutes; however, thin sections or certain part configurations may require more in-mould cure time. Sections that are less than 3mm may require more before demould. It depends on different products.

    Note 2

    Both components should be mixed before each use to ensure uniformity of the materials. Opened containers of material should be prevented moisture contamination from humid air.

    Disclaimer

    The data presented in this leaflet are in accordance with the present state of our knowledge, and does not absolve the user from carefully checking all supplies immediately on receipt. We reserve the right to alter product constants within the scope of technical progress or new developments. The recommendations made in this leaflet should be checked by preliminary trials because of conditions during processing over which we have no control, especially where other companies’ raw material are also being used. Recommendations for use do not constitute a warranty,

    Either expressed or implied, of the fitness or suitability of the product for a particular purpose.


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