Competitive Price Low Viscosity Polyvinyl Butyral (PVB) Resin Coating Varnish Used

Product Description

Product Description
Polyvinyl butyral (or PVB) is a resin which a member of the polyvinyl acetal family. Produced through the reaction of polyvinyl alcohol with butyraldehyde. Polyvinyl butyral (PVB) properties including high tensile strength, strong binding, impact resistance, transparency and optical clarity. PVB resins are used in general industrial and wood coatings, wash primers, ceramic substrates, composites and structural adhesives, and gravure or flexographic inks. Aslo it is particularly suitable as an adhesive film interlayer in laminated safety glass in automotive windshields and architectural safety glass.

Product Application - For Automotive and architectural glass
Laminated glass, commonly used in the automotive and architectural fields, comprises a protective interlayer, usually polyvinyl butyral, bonded between two panels of glass. The bonding process takes place under heat and pressure. When laminated under these conditions, the PVB interlayer becomes optically clear and binds the two panes of glass together. Once sealed together, the glass "sandwich" (i.e., laminate) behaves as a single unit and looks like normal glass. The polymer interlayer of PVB is tough and ductile, so brittle cracks will not pass from one side of the laminate to the other.
- Colors PVB for tinted glass
Band Colors PVB interlayer can be used for the blue or green "shade band" at the top edge of many automobile windshields. Full Colors PVB interlayer can also be used in different colors for architectural laminated glass manufacture ranging from Bronze, Gray, Green, Brown, White and many more.
- Solar modules
PVB has gained acceptance among manufacturers of photovoltaic thin film solar modules. PVB and a second sheet of glass (called back glass) are then placed directly on the circuit. The lamination of this sandwich encapsulates the circuit, protecting it from the environment. Current is extracted from the module at a sealed terminal box that is attached to the circuit through a hole in the back glass.

- Non-Film Applications
PVB resins (provided by the manufacturer in powdered or granulated form) are also utilized in a range of applications including technical ceramic (temporary) binders, inks, dye transfer ribbon inks, paints & coatings (including wash primers), binders for reflective sheet and binders for magnetic media. PVB resin is particularly useful at bonding to metals, ceramics and other inorganic substances.

Product Parameters

Grade	Butyral wt%	Acetyl wt%	Viscosity Mpa.s*	Volatiles wt%
SD-1-*	70-80	3Max	30-280	3Max
SD-2-*	70-80	3Max	240-450	3Max
SD-3-*	73-85	3Max	320-600	3Max
*: 10wt% by solution in Ethanol 94% solution at 20 degree

Company Profile
Qingdao Haocheng Industrial Co., ltd. is a professional manufacturer and engaged in the research & production, sale and service of PVB resin, PVB film interlayer, PVB plasticizer (3GO) and Float laminated glass sheets. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. Going with company development, we are looking for new team of partner with strong integrity to join us to enjoy our business together.
Packaging & Shipping
Net Weight: Net weight 12.5kgs per PP bag or 500kgs per PP bag
FAQ
1. Q: Can I have a sample order?
A: Yes, Sample is free if you agree to share the international express charges Contact Us and tell me your requirement of the product you want.
2. Q: What is the lead time for sample?
A: Existing sample is free and customized sample needs about 1 weeks;
3. Q: What express do you often use to send the samples?
A: Any express is available,it depends on your requirement;
4. Q: Do you have any MOQ limit?
A: It depends on your trial order;
5. Q: What's your acceptable payment term?
A: T/T or L/C. It due with T/T, that we will request 30% T/T deposit and 70% T/T against the B/L copy.

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