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  • Organopolysilazane IOTA-OPSZ-9150

    Organic Polysilazane IOTA 9150


    Description

    IOTA 9150 is a liquid polysilazane with a Si-N structure, the main functional bonds are Me. It is developed for room temperature cured and adjustable curing time coating systems. The product has a unique Si-NH-Si bond, can be cured at room temperature, curing mainly involved in the reaction of Si-NH-Si hydrolysis and oxidation. While the Si-NH-Si bond and the substrate surface-OH easily react, and bring the substrate and good adhesion. Addition the appropriate catalyst in the resin can promote Si-H and Si-NH-Si reaction, after curing resin to form three-dimensional cross-linked structure, giving the material good mechanical properties.

    IOTA 9150 has low viscosity and good adhesion, can be applied to various types of substrates by smearing, dipping, spraying, brushing and other methods, the main substrates are metals, alloys, glass, paint films and plastics (such as PP, PC, PVC, PMMA), etc.


    Product Features

    Low viscosity

    Adjustable curing time

    Various curing methods

    Non-flammable after curing

    Anti-oxidation, anti-corrosion

    Easy to clean

    Good adhesion on the metal ceramic graphite materials


    Applications

    Coatings

    Adhesives

    Non-flammable composites

    Polymer matrix composites

    Glass and Abrasives

    Applications with low surface tension and easy cleaning clean field


    Technical index

    Appearance: Colorless to light yellow transparent liquid

    Molecular weight (Mn): 800-900

    Solid content: ≥99% (other contents could be customized)

    Liquid Density: 0.98g/cm3-0.99g/cm3

    Cured coating density: 1.3 g/ml

    Viscosity: 10cp-40cp

    Cracking threshold: 100µm+(coating thickness)

    Curing conditions: cured in room temperature without catalyst

    Surface dry time in room temp.: 20min-120min(could be customized)

    Fully cured time:  a. more than 24hours in room temp.

                       b. Heating could promote the curing process, heat in 120℃-  180℃ for 2-5hours after surface dry.

    The hardness after cured:  Room temp. cured for 12hours:  5H

                             Room temp. cured for 24hours:  7H

    Hydrophobic angle: 100°-105°

    Recommended temperature of varnish coating: <300℃

    Recommended operating temperature with main coating: <1000℃

    Chemical masking: perform good with O2,H2O and other gas

    Linear shrinkage: <1%

    Transmittance (visible light): >95%

    Metal Adhesion (Cross-Hatch): 0 grade

    Shelf life: 12months in unopened condition

    Hazard description: highly flammable liquid and vapour; harmful if swallowed; eye damage


    Notes

    ①   Surface curing time of IOTA 9150 could be customized as customers’ requirements. The surface dry time are confirmed for the same items. For example:

    a.    IOTA 9150-8545 in 20℃-40℃, the thickness is 10μm-100μm, surface dry time is 15min-30min.

    b.    IOTA 9150-8525 in 20℃-40℃, the thickness is 10μm-100μm, surface dry time is 30min-45min.

    c.    IOTA 9150-8545 in 25℃, humidity is 60%, thickness is 25μm, surface dry time is 20min.

    d.    IOTA 9150-8545 in 25℃, humidity is 60%, thickness is 100μm, surface dry time is 28min.

    ②   The heating curing process of IOTA 9150 is operated after surface dried, curing temp. is 60℃-200℃. The totally cured time will be shorten as the temp. increasing.

    ③   The operating temp. of IOTA 9150 is related to the coating thickness, the higher thickness, the better protection, but the coating is easy to be crack in high temperature.


    Application details

    Case 1: car coating

    Coating thickness

    Application

    Coating methods

    3-8µm

    Car coatings

    Rubbing/Brushing

    Effect: Car surface brightening, anti-corrosion, anti-graffiti, anti-scratch

    Recommend solid content: 10%-20%

    Dilution (for example IOTA 9150-8545):

    1.    Solvent: adjustable according to customers’ requirements.

    2.    Ratio: i.e: IOTA 9150-8545: Solvent=1:3-8, prepare the proper solvent, add into IOTA 9150-8545.

    3.    Sealed with High purity argon/nitrogen in metal container.


    How to use?

    1.    Take the prepared polysilazane solvent, dip with clean non-woven fabric, and then wipe evenly on the surface of the car that has been treated.

    2.    After operated, place in room temp. for 30-60min, heat in 60-80°C for more than 3hours to totally cured.


    Case 2: Anti-corrosion coating

    Coating thickness

    Application

    Coating methods

    10-15µm

    Surface protection of radar and other equipment

    Spraying/Brushing

    Effect: The transparent coating does not affect the surface camouflage texture effect of radar and other equipment, and provides anti-corrosion, anti-graffiti, anti-scratch and certain hydrophobic and high-temperature resistance effects.

    Recommend solid content: 15%-25%

    Dilution (for example IOTA 9150-8545):

    4.    Solvent: adjustable according to customers’ requirements).

    5.    Ratio:

    IOTA i.e:9150-8545: Solvent=1:2-5, prepare the proper solvent, add into IOTA 9150-8545.

    6.    Sealed with High purity argon/nitrogen in metal container.

    How to use?

    1. Take the prepared polysilazane solvent, evenly sprayed on the surface of the substrate of radar and other equipment.

    2.    After operated, place in room temp. for 60min, heat in 45°C for 2hour, 125°C for 1hour.


    Compatibility

    The product could be miscible with most non-polar solvents, such as alkanes, ethers, ketones, esters. Insoluble in alcohol and ether solvents, such as diethylene glycol dimethyl ether, diethylene glycol dibutyl ether, tetraethyl ether Butyl glycol ether.

    It’s also miscible with a variety of resins, such as epoxy silicone resin, silicone resin, it will shorten the curing time and improve resin hardness when mixed with silicone resins.


    Storage

    Operating and storing in a dry, cool and well-ventilated environment, away from heat and fire sources, the recommended temperature is 0-20℃.

    The gloves, masks, etc. is necessary when taking the product.

    Uncured product should not be placed close to fire sources, humid air, or water.

    The container must be replace the air with nitrogen/argon and completely sealed in time after use.

    Unused product that has been formulated cannot be recycled and should be disposed of in accordance with local regulations.

    Products beyond the shelf life can be used only after the retesting complied.


    Clean

    Proper cleaning methods are important, quickly wipe down the surface with acetone or mineral spirits after use.

    Once IOTA 9150 is cured, the coating cannot be washed away by solvent. It can be treated with strong alkali such as sodium hydroxide 10% aqueous solution for more than 5 hours.


    Package

    Packed with metal container in 100ml, 1L and 5L.


    Precautions:

    The storage environment should be dry, cool and well ventilated, away from heat and fire sources. The packaging container must be kept tightly closed and handled with care. The storage temperature should be kept between 0°C and 20°C, and the storage period is 12 months.





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