| Customization: | Available |
|---|---|
| CAS No.: | 129288-65-9 |
| Formula: | N/a |
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Epoxidation of hydroxyl-terminated polybutadiene liquid rubber is to introduce epoxy groups into the main chain of hydroxyl-terminated polybutadiene (HTPB), which can effectively improve the molecular polarity and reactive functional groups. minute
The epoxy group in the polymer can cross-link with various curing agents to form a polymer with a three-dimensional network structure, and the cured epoxy polymer has good physical properties.
Chemical properties, excellent adhesion to metals and various nonmetallic materials, good dielectric properties, small shrinkage, high hardness, stability to alkali and most solvents,Can greatly improve the mechanical properties, bonding strength and heat resistance of polyurethane materials.
| Project name | Index requirements |
| Hydroxyl value, mmol/g | 0.3-0.4 |
| Epoxy value, mmol/g | 1.0-5.0 |
| Epoxy equivalent, g/eq | 200-1000 |
| Water mass fraction,% | ≤0.05 |
| Mass fraction of peroxide, calculated as H 2O2,% | ≤0.05 |
| Viscosity (40C), Pa.s | 8.0-35.0 |
| Number average molecular weight (x103)(VPO) | 3.3-4.0 |
| Mass fraction of volatile matter,% | ≤0.05 |
| Exterior | Colorless or yellowish viscous transparent liquid with no visible impurities. |
Packaging: 10 literor 20 liter closed galvanized iron drum packaging
Q1: Are you a manufacturer or trading company?
Re: We are one company integrated industry and trade. No matter the products we manufacture or trade, high quality products and competitive price always will be provided for you.
Q2: May I get one sample before placing order?
Re: Yes, we'd like to provide sample for you. free samples(max 1Kg) are available, but freight cost will be born by customers.
Q3: Which payment is available for your company?
Re: In order to prompt our cooperation, there are some payment methods for your choice. T/T(USD), Western union, Paypal, Credit card, Alipay trade insurance all is ok. You can choose the one which is convenient for you.
Q4: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, T/T, EMS, etc.) or by air. Usually it will cost 2-5 days that you can get the goods after delivery.
For large quantity products, shipment is better. It will cost days to weeks to come to your destination port, which depends on where the port is.
Q5: Is there any possible to use my appointed label or package?
Re: Sure. If needed, we'd like to use label or package according to your requirement.
Q6: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are high qualified. If the goods can't come to the quality we promise, you can ask for refund.
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