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Tung oil or China wood oil is a drying oil obtained by pressing the seed from the nut of the tung tree (Vernicia fordii). Tung oil hardens upon exposure to air (through polymerization), and the resulting coating is transparent and has a deep, almost wet look. Used mostly for finishing and protecting wood, after numerous coats, the finish can even look plastic-like.
Related drying oils include linseed, safflower, poppy, and soybean oilsRaw tung oil tends to dry to a fine, wrinkled finish (the English name for this is gas checking); this property was used to make wrinkle finishes, usually by adding excess cobalt drier. To prevent wrinkling, the oil is heated to gas-proof it (also known as "boiled").
Inspection items
Specification
Inspection Result
Color
Yellow 35 Red ≤3.0
Qualified
Transparency
Clear and transparent
Qualified
RI (refractive index) 20ºC
1.508~1.510
Qualified
Water
≤0.1%
Qualified
Water tolerance
48h
Qualified
Gelling time
9.5min
Qualified
Acid
≤3 mgKOH/g
Qualified
Specific gravity
0.9380
Qualified
Impurity
≤0.1%
Qualified
1.Wood finishing
Showing the golden effect of polymerized tung oil versus bare woodTung oil is very popular today because of two properties: first, it is a naturally derived substance. Second, after it cures (5 to 30 days, weather/temperature related), the result is a very hard and easily repaired finish, so it is used on boat decks and now on floors. The oil is often diluted with hydrocarbon thinner so its viscosity is very low and enables the oil to penetrate the finest grain woods. This thinning vehicle evaporates within 15 to 20 minutes. When applied in many fine/ thinner coats over wood, tung oil slowly cures to a matte/light satin look with slight golden tint.Tung oil resists water better than any other pure oil finish and does not darken noticeably with age. It is claimed to be less susceptible to mould than linseed oil. It is considered safe to be used on sculptures made near waterways.
Heating tung oil to about 500°F (260°C) in an oxygen-free environment will substantially increase the viscosity and film-forming quality of the product. Most polymerized tung oils are sold mixed with mineral spirits to make them easier to work with. Limonene and D-limonene are less toxic alternatives for mineral spirits.
2.Oil-paper umbrella
The oil-paper umbrella is the traditional umbrella used in China, Japan, and other countries in the sinosphere, and was brought to Western countries through the Silk Road. Tung oil is the "oil" mentioned in the oil-paper umbrella,which is used to protect the paper from getting wet, and to make the umbrella waterproof.
Packed in 200 Litre HDPE drum or 1000 Litre IBC (Tote tank).
Store in dry, well-ventilated area. Keep container closed. Keep away from heat, sparks and flames. Store away from incompatibles.
In general, we use international express, DHL, UPS, FEDEX, EMS, TNT, etc.
Large order: by air or sea, you could choose it.
If you have your own forwarder, please tell us the detailed information.
Tianjin Dongfang Import & Export Co., LTD. is located in Tianjin China. We mainly Medical Intermediate, Cosmetics raw materials, Food Additive. Products are exported to North America, Europe, Australia, Middle East and other regions. At the same time, we can also provide customers with product customization services.
Our factory covers an area of approximately 3,800 square meters. The first-class R&D team, professional production team, and strict quality inspection department make us a leader in the domestic chemical industry.
Our factory has been developing vigorously, and the production capacity has been rising constantly, which can meet the demands of customers more and faster. Even for large orders, we can complete production in 2-3 weeks. We have professional sales staff, experienced logistics team and patient and meticulous after-sales service to help you solve problems in the order process.
Choosing us, you will have a reliable partner, high-quality products, fast and safe transportation, and worry-free after-sales experience. Sincerely hope that we can establish long-term cooperative relations with our customers and achieve a win-win situation.
FREQUENTLY - ASKED - QUESTIONS
What is your terms of packing? Generally, we pack our goods in brown boxes. If you have legally registered patent, Or you have special packing request, we can pack the goods based on your request.
What is your terms of payment? TT Transfer, WU, Bitcoin,Tether(USDT), All is available.
What is your shipping method of delivery? We usually ship via DHL, UPS, FedEx or EMS for small package.
How about your delivery time? For the stocked products, we can ship after 1-2 days after receiving your advance payment. For the specific products, the delivery time depends on the items and the quantity of your order.
Do you have MOQ ? Free samples available ? Yes, but low MOQ, 10-100g for sample checking is available. We are Available to provide test samples for most of our products, but customer please pay for the shipping cost.
How to proceed an order ? Firstly let us know your requirements or application. Secondly We quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places deposit for formal order. Fourthly We arrange the production. We can offer discounts for large orders.
How about your product quality? First of all, Our product quality is good and stable. We have 100% test before delivery, So, we have Good quality control before delivery. If there is really have a quality problem caused by us, we will send you free goods for replacement or refund your loss.
How do you make our business long-term and good relationship? 1. We keep good quality and competitive price to ensure our customers benefit; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
