• Polymer Industry: It is mainly used to produce unsaturated polyester resins by reacting with diols. These resins are widely used in the manufacture of fiberglass - reinforced plastics, coatings, and adhesives. It can also be used as a monomer to synthesize some polymers and copolymers, such as maleic anhydride - styrene copolymers, which have applications in areas such as water - treatment agents and dispersants.
• Chemical Industry: It serves as a key intermediate for the synthesis of numerous organic chemicals. For example, it can be used to produce maleic acid, fumaric acid, and succinic acid through hydrolysis, hydration, and hydrogenation reactions. These acids are further used in the production of pharmaceuticals, pesticides, and food additives. It can also react with amines to form maleimide derivatives, which have applications in the electronics and aerospace industries.
• Coating Industry: In the coating industry, maleic anhydride - modified resins are often used to improve the performance of coatings, such as enhancing adhesion, water resistance, and weather resistance. It can also be used as a curing agent for some epoxy resins, improving the cross - linking density and mechanical properties of the cured coatings.
• Lubricant Industry: Maleic anhydride is used to produce lubricant additives. By reacting with alcohols and amines, it forms compounds that can improve the anti - wear, antioxidant, and detergent properties of lubricants, thereby prolonging the service life of lubricants and protecting mechanical equipment.
• Other Industries: In the paper - making industry, it can be used to modify paper - making chemicals to improve the strength and water resistance of paper. In the textile industry, it is used for fabric finishing to enhance the dye - ability and wrinkle - resistance of fabrics. Additionally, it has applications in the production of photoactive materials, surfactants, and ion - exchange resins.

Q1: Can I get some samples?
A: Yes, sure. Usually, we can provide free samples for less than 5 kg, but the customer needs to pay for the shipping.

Q2: What is your MOQ?
A: The minimum order quantity varies for different products, with most requiring a minimum of 1 ton. However, we can accommodate smaller quantities, such as 100kg, with a 100% sample charge.

Q3: How to confirm product quality before placing an order?
A: You can obtain free samples of the products, but you need to cover the shipping fee or arrange for the samples to be sent to us by express. Additionally, you can provide us with your product specifications and requirements, and we will manufacture the products accordingly.

Q4: Is there a discount for bulk purchases? How much is the discount?
A: Yes, we offer discounts for bulk purchases. The discount is determined by evaluating factors such as purchase volume, product type, and cooperation period. Generally, the larger the purchase volume, the greater the discount.

Q5: How do I start paying?
A: Payment can be made by wire transfer, Western Union, PayPal, Visa, Mastercard, T/T, Apple Pay, Google Pay, etc.

Q6: What is the shipping time?
A: We ship the products out within 1-3 days and provide a tracking number. Shipping time varies by country.

Q7: What qualifications and certifications does the company have? Such as ISO certification, etc.
 A: Our supply manufacturers hold several authoritative certifications to ensure our products and services meet international standards and industry regulations. This includes the ISO 9001 Quality Management System certification, which indicates we have reached internationally recognized levels in product quality control, production process management, and continuous improvement, providing stable and reliable quality assurance for customers.

Q8: How about the after-sale service of products?
A: After purchasing products from our company, you will be supported by our professional technical team and after-sales team, who will help solve any problems you may encounter.

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