Tung oil is a kind of excellent dry vegetable oil, with thecharacteristics of fast drying, light specific gravity, goodgloss, strong adhesion, heat resistance, acid resistance,alkali resistance, corrosion resistance, rust resistance,non-conductive, etc., widely used.Itis the main raw material that makes paint, ink, used inbuilding, machinery, weapon, car boat, fishing gear, electricappliance in great quantities waterproof, anticorrosive,antirust coating, and can make oilcloth, oilpaper, soap,pesticide and medicine use vomit agent, insecticide.

classification

Tung oil is dividedinto two kinds of raw tung oil and cooked tung oil, raw tungoil used in medicine and chemical industry;Cooked tung oil by raw tung oilprocessing, can replace varnish and paint paint, directly usedfor machine maintenance, indoor wood floors, wooden ceiling,sauna board, wooden balcony handrails;Outdoor wooden floor, flower frame,wooden house, pavilion, fence, wooden bridge, boat, chair,wooden agricultural tools, etc.

Judging intuitively,cooked tung oil is thicker than raw tung oil, and its color isdark brown.

Ripe tung oil divides twokinds one kind is ripe pure tung oil, another kind is mixedripe tung oil.

Tung oil

Tung oil (2sheets)

The method of extractingtung oil is to fry tung seeds and extract tung oil. It is notartificial to add any chemical components. It is suitable forenvironmental protection and pollution-free decoration,especially for indoor decoration.

Mixed cooked tungoil belongs to a kind of paint, according to the method of2:2:6 blending, 20% varnish +20% rosin +60% tung oil, heat boilto 260 degrees of temperature.This method of cooking tung oil afterthe need to filter before the use of wood.

Mixed cooked tung oil hasa strong taste, with a strong smell ofpaint.This kind oftung oil pressing method is traditional andancient.Thisapproach was gradually phased out.This kind of mixed oil is easy toidentify, can be drawn, the viscosity is larger, and the coloris darker, after the construction of the general 3-6 months tostimulate the chemical odor can be dispersed.

As people's pursuit ofenvironmental protection life is getting higher and higher,therefore, the original oldest old process of mixing andboiling tung oil has been gradually abandoned bypeople.Tung oil ismore and more popular.

Operation:

Before cooking tung oilcan be filtered with gauze, so filtering tung oil out of theeffect is better.

Tung oil to build

Tung oil to build

Tung oil of course alsoapplicable to other wood, especially outdoor wood, rub tung oilis not easy to decay, the surface of a protective film,airtight, thus producing waterproof, anticorrosiveeffect.

In addition, the tung oilusually can use a soft brush painting with high density,instead of using brown brush, nor is it a brush with cottoncloth, cotton cloth in the process of rubbing will happenbecause of friction and wood after the ball or residual debris,the effect will be a big discount, and the oil quantity is verydifficult to control, easy to mix reaction (e.g., produce denselayer thickness).

The differencebetween

A: cooked tung oil:dry naturally after rubbing, polish and rub again, repeatseveral times;Varnish: brush a layer of varnishafter natural air dry, after burnish brush varnish, repeatseveral times.

Tung oil to build

Tung oil to build

B: cooked tung oil: thewood will completely eat the oil after rubbing, so that thewood has a higher oil content. Even if the appearance isdamaged, it will not affect the wood, nor affect the use, sothat it is more durable.Varnish: only brush on the surface,surface bright, feel good.

C: cooked tung oil: purenatural, green environmental protection!Never add any chemicalpreparation;Varnish: all know ~~

The qualityofAs for the problem of without dopant, tell everybody amethod: look for a piece of clean white paper first, thinnerhad better, such effect is more apparent.

Tung oil to build

Tung oil to build

Touch a little cookedtung oil with your fingers, wipe the white paper, evenly wipe,let the paper eat tung oil, the two sides of the white paperare wiped, the area as wide as possible.Let dry in theshade.After beingdried completely, the paper coated with cooked tung oil withoutdopant has a soft touch and strongtoughness.On thecontrary, it is more brittle, easy to crack.This white paper can also be ignited,burning up, if only tung oil flavor, then there is nodoping;If haveother pungent taste, ha ha ~~~ please use withcaution!!Theproblem with color, to be specific, there is no fundamentalchange in color (including wood products), but after using tungoil, it will appear oil-soaked color (take a piece of dry woodinto water to soak the color).Usage: before tung oil is rubbed, thewood should be dried. After each wipe, tung oil should be wipedfor the second time after it is completelydried.After thecotton cloth is used every time, soak it in tung oil,convenient next time use, the word that is exposed to air isdone away with very quickly, very hard, there is no way to usenext time, wasted.Tung oil smell is no harm to thehuman body, the key is to see whether you adapt to the smell,if you do not like to smell, but also can wear a mask after theoperation.(tungacids and tung nuts are toxic, so use tung oil to ventilate andavoid direct contact with skin.)