Name:Mixsilicone Rubber CAS No.:63394-02-5 Appearance: Milky white slightly transparent colloid Hardness/Shore A: 20~90 Tensile strength/Mpa: ≥ 3 Tear strength/(kN/m): ≥ 10 Elongation/%: ≥ 100 Tensile set/%: ≤ 10 rebound/%: 35~80

Name:Mixsilicone Rubber CAS No.:63394-02-5 Appearance: Milky white slightly transparent colloid Hardness/Shore A: 20~90 Tensile strength/Mpa: ≥ 3 Tear strength/(kN/m): ≥ 10 Elongation/%: ≥ 100 Tensile set/%: ≤ 10 rebound/%: 35~80

Name:Spiramycin CAS No.:8025-81-8 Appearance: White to yellowish powder Molecular formula: C43H74N2O14 EINECS No.: 232-429-6 Molecular Weight: 843.0527 Density: 1.21g/cm3 Boiling point: 913.7 ° C at 760 mmHg Flash point: 506.4 ° C Steam pressure: 0mmHg at 25 ° C Shelf life: 24 months

Name:Propiconazole CAS No.:60207-90-1 Appearance: Light yellow to light brown viscous liquid Molecular formula: C15H17Cl2N3O2 EINECS No.: 262-104-4 Molecular Weight: 342.2204 Density: 1.39g/cm3 Boiling point: 479.9 ° C at 760 mmHg Flash point: 244.1 ° C Steam pressure: 2.26E-09mmHg at 25 ° C Water solubility: water solubility is 110mg/L

nature Hydroxypropyl methacrylate (HPMA) is a commonly used polymer material. 1. Appearance: The appearance of hydroxypropyl methacrylate is a colorless transparent liquid 2. Solubility: Soluble in water and also in most organic solvents, such as alcohols, ethers, esters, and aromatics. 4. Density: The density of hydroxypropyl methacrylate is 1.11-1.18 g/cm3. 6. Chemical stability: It has good chemical stability, is not easy to decompose, and will not react with most chemical substances. 7. Thermal stability: Hydroxypropyl methacrylate has good thermal stability, and its thermal stability is relatively high at high temperatures. 8. Oxidation stability: It has a certain resistance to oxidation and is not prone to oxidation and deterioration. Preparation 1. Add initiators such as hydroxypropyl methacrylate (HPMA) and hydrogen peroxide to the reactor, as well as an appropriate amount of solvents (such as methanol, ethanol, etc.). 2. Seal and shake the reaction kettle or heat it to react, causing the initiator to crack at an appropriate temperature, resulting in free radical polymerization of HPMA. After the reaction is completed, precipitate or precipitate the product with acidic water or organic solvents. 4. Filter and collect the product, wash and dry to obtain the pure product. The above is a simple preparation process for hydroxypropyl methacrylate, and the specific operating parameters and process flow may vary depending on different preparation methods and requirements. application 1. Paint and ink industry: it can be added to paint and ink as lotion and diluent to improve its viscosity, rheology and adhesion. 2. Cosmetics: Can be used in cosmetic products, such as hair gel, curling agents, sunscreen, etc., to thicken, moisturize, and prevent sun damage. 3. Daily necessities: It can be added as a thickener to daily necessities, such as detergents, facial cleansers, toothpaste, etc. 4. Pharmaceutical field: It can be used in drug sustained-release systems, such as artificial joint lubricants or eye drops for injection. In the future, with the continuous development of technology, the application prospects of hydroxypropyl methacrylate will become increasingly broad. For example, in the fields of biomedicine and drug delivery, cell delivery, and the preparation of nanomaterials, polymer materials such as hydroxypropyl methacrylate are also useful

Name: Silicon(IV) Chloride CAS No.: 10026-04-7 Appearance: Colorless transparent liquid Molecular weight: 169.9 Relative density: 1.483 Purity: ≥ 99.0% Flash point: No data available Boiling point: 57 ℃ Melting point: -70 ℃ Refractive index nD20:1.412

Properties of trimethyliodosilane Melting point<0 ° C Boiling point 106 ° C (lit.) Density 1.406 g/mL at 25 ° C (lit.) Refractive index n20/D 1.471 (lit.) Flash point − 25 ° F Storage conditions -20 ° C Solubility Reacts Form Liquid Specific gravity 1.47 Clear colors to reddish Water solubility reactions Sensitivity: Moisture&Light Sensitivity Hydrolysis sensitivity 8: Reacts quickly with moisture, water, protoc solvents BRN 1731136 Stability Sensitivity (Reactive) InchiKey CSRZQMIRAZTJOY-UHFFFFAOYSA-N CAS Database 16029-98-4 (CAS DataBase Reference) NIST Chemical Information Iodotrimethylsilane (16029-98-4) EPA Chemical Information Silane, iodotrimethyl - (16029-98-4)

Name: 1,1,3,3-TETRAMETHYL-1,3-DIVINYLDISILAZANE CAS number: 7691-02-3 Molecular formula: C8H19NSi2 Molecular weight: 185.41 EINECS number: 231-701-1 Mol file: 7691-02-3.mol

Name: N-Acetyl-Thiazolidine -4-carboxylic acid CAS No.: 5025-82-1 Appearance: White crystalline powder Molecular formula: C6H9NO3S Molecular Weight: 175.21 Melting point：142℃~149℃ PACKAGE:25KG/BAG

Name: Flucytosine  CAS No.: 2022-85-7 Appearance: White crystal powder  Molecular formula: C4H4FN3O Molecular Weight: 129.092 Melting point:298-300 °C(lit.) PACKAGE:25KG/BAG