Phenolic resin is a sort of artificial plastics, colorless or brown clear reliable, is widely used for electrical products, also commonly known as bakelite warmth-resistant flame resistance h2o resistance and excellent insulation, excellent resistance to acid, alkali resistance is bad, mechanical and electrical performance is good, simple to cut, divided into two types, thermosetting plastics and thermoplastic artificial with various factors, different operate of modified phenolic resin can be acquired, it has qualities of distinct, this kind of as alkali resistance wear resistance oil resistance corrosion resistance, and many others
|Item||softening level||Collect speed||movement duration||cost-free phenolic|
|P2901||90-94||forty five-sixty five||eighty-a hundred||le1|
|P2901G||ninety four-ninety eight||45-sixty five||70-ninety||le1|
|P2903||83-88||70-90||one hundred twenty-one hundred fifty||le1|
|P2903K||eighty four-89||50-sixty five||ninety-120||le1|
|P2904||81-86||70-ninety||a hundred twenty five-one hundred fifty five||le1|
|P2501||ninety one-95||25-35||45-sixty five||le1|
|P2301||ninety-ninety five||60-80||90-one hundred ten||le1|
|P2302||ninety-ninety five||fifty five-seventy five||ninety-a hundred and ten||le1|
gt gt Soap industry
The rosin is cooked collectively with soda ash or caustic soda to sort a rosin cleaning soap. Rosin soap has excellent detergency, is soluble in h2o, dissolves oil and is easy to foam. The rosin is sticky and can make the cleaning soap considerably less vulnerable to cracking and rXiHu (West Lake) Dis.Hu (West Lake) Dis.dity.
gt gt Paper industry
Rosin is utilized as a papermaking compound in the paper industry. Rosin and caustic soda are manufactured into rosin sodium cleaning soap, which is a rubber compound. The rubber compound is blended with the pulp and included to the alum, so that the rosin turns into water-insoluble cost-free resin acid particles attached to the small fibers, and the pulp is heated on the drying cylinder. When the rosin is softened and crammed in between the fibers, this effect is named quotsizing quot or quotsizing quot. After the paper is quotsliced quot, it can improve h2o resistance, stop ink penetration, enhance energy and smoothness, and decrease stretch.
gt gt Paint industry
Rosin is effortlessly soluble in various organic and natural solvents, and is simple to type a movie and has a luster. It is one of the simple uncooked materials for paints and coatings. The function of rosin in the paint is to make the paint brigEPT and vibrant, dry swiftly, and the paint film is clean and not straightforward to slide off.
gt gt Ink sector
Rosin is largely used as a coloration provider in printing inks and improves the adhesion of ink to paper. If the rosin is not utilised in the ink, the printed ink will be dull and unclear.
gt gt Adhesive sector
A binEPTbased on rosin ester and hydrogenated rosin ester, which is frequently utilised as a scorching melt adhesive, a strain delicate adhesive, and a rubber tackifier.
gt gt Rubber industry
Rosin is utilised as a softener in the rubber business to boost its elasticity. Disproportionated rosin potassium cleaning soap can be employed as a artificial rubber.
gt gtFood industry
The hydrogenated rosin glyceride is heated and melted jointly with all-natural gum gum, wax, vinyl acetate, and so forth., and then extra with spices, suXiHu (West Lake) Dis.Hu (West Lake) Dis. and pigment to sort a chewing gum. When slaughtering pigs, cattle and sheep in a slaughterhouse, the hair remaining in the animal human body and head can be depilated with 88-94% molten rosin and six-twelve% cottonseed oil following getting dealt with with a depilatory EPT. To remove.
gt gtElectrical business
The insulating oil is manufactured of 35% rosin and 65% brigEPT oil. It is utilised as a protective film on the cable to provide insulation and warmth resistance. Rosin is mixed with bakelite and other artificial resins for use as an insulating varnish.
gt gtBuilding materials industry
Rosin is largely employed as a concrete foaming agent and flooring tile binEPTin the building supplies market. Rosin is also used as a binEPTfor vinyl chloride asbestos tiles. Rosin and linseed oil, calcium carbonate, charcoal, pigments and the like could be combined together to manufacture carpet tiles.
gt gtMaking a finishing answer
Thanks to the solubility, volaEPTty, and volcanism of rosin, it can be quickly condensed into a quotsturdy and clear movie quot basic principle. The painter shields the image and stops the quotsketching quot from currently being smashed. : A rosin powder, nine parts of alcohol, or xylene solvent ratio, initial place the rosin into a effectively-sealed glassware, then pour the liquor, or xylene, protect the lid, and dissolve it two daEPTlater. When utilizing, shake it into the watering can, 20 cm away from the display screen, spray evenly onto the monitor, spray at any time, volaEPTze at any time, dry out after a number of minutes, and then do not be scared to be smashed.
Be aware: There can be no far more rosin, and a lot more will quotyellow, darken quot!
Since the metallic floor is in get in touch with with air, an oXiHu (West Lake) Dis.de film is formed. The higher the temperature, the thicker the oXiHu (West Lake) Dis.de layer. This oXiHu (West Lake) Dis.de film prevents the liquid solEPTfrom infiltrating the steel, just as if the glass is oiled, the drinking water will not soaked the glass. Flux is a EPT substance for removing oXiHu (West Lake) Dis.de movie, also known as flux.
Flux has three key effects:
- In addition to the oXiHu (West Lake) Dis.de movie: in essence, the substance in the flux undergoes a reduction reaction, thereby removing the oXiHu (West Lake) Dis.de film, and the reaction product gets to be suspended slag and floats on the floor of the solder.
- Avoidance of oXiHu (West Lake) Dis.dation: Soon after it melts, it floats on the surface of the solEPTto kind an isolation layer, thus preventing oXiHu (West Lake) Dis.dation of the soldered floor.
- Reduce floor tension: increase solEPTfluidity and assist solEPTwet weldments.
gt gtMusical EPT
Rosin is used to the bow of erhu, violin and other EPTs to boost the friction of the bow and the strings. The refined transparent shade block rosin is the very best, and the normal crystalline pine is secreted and solidified on the pine.
Lipids can also be substituted
The popular strategy of taking part in rosin is to crack a piece of bamboo in advance and then place the rosin in it. Then use a hearth to ignite the bamboo pieces, so that the rosin is burned and dripped on to the drum. This technique is referred to as quothot quot. Though the aromatic incense is more practical and practical for the taking part in, it hinders the efficiency of some of the bowing methods, and the piano skin is not thoroughly clean enough.
Nowadays, the a lot more well-known one particular is quotwiping quot, which is rubbed with rosin right on the bow hair. This will pull at the very least an hour soon after rubbing a rosin. Apply has proved that the audio of the piano played right after the quotwiping quot is not quite excellent. Following two or 3 minutes of actively playing, the piano seem steadily turns into the standard point out. When rubbing the incense, the drive ought to not be too weighty, so as not to crack the bow hair.
The previous rosin will have an impact a handful of hrs following utilizing the new rosin.
With out rosin, the bow will slip and not make a sound when it is played on the strings. With a small rosin, the bow hair will have some stickiness, and when it is played, it will quotcatch quot the string and permit it vibrate to make a seem. When rosin is purchased, it is wrapped in a cloth or a tiny box. It is not only sticky but also extremely challenging. EPTly, it can be utilized for a EPT time. The harEPTthe rosin, the far more easily it is damaged.
Many brands of rosin come in two colors, but at the very same value, ligEPT like honey, deep like licorice. When actively playing, the rosin turns into a powder, and its color is the same white.
Rosin is really hard, and a model of rosin could be harEPTthan an additional brand of rosin. When the rosin is pressed with a bow, the hardness can be recognized. Comfortable rosin will make the strings vibrate better, but because they are too sticky, they are inclined to noise, eEPTly on the gut strings.
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For tiny get,you can pay out by T/T,Western Union or Paypal,nomal orEPTby T/T to our company account
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Absolutely,It rely on your qty
Q3:How can i get a sample?
free samples is accessible,but freigEPT charges will be at your account and the expenses will be return to you or deduct from your orEPTin the future.
This autumn: How to confirm the Merchandise Top quality just before inserting orders?
A:You can get free samples for some items,you only require to spend the shipping and delivery value or organize a courier to us and get the samples. You can send us your solution technical specs and requests,we will manufacture the items in accordance to your requests.
Q5:How do you take care of good quality criticism?
A:First of all, our good quality management will decrease the high quality dilemma to near zero. If there is a genuine quality problem induced by us, we will send you free of charge items for substitute or refund your reduction.
Q6: What is actually the delivery way?
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Q7: How about the EPT?
A: Factory stXiHu (West Lake) Dis.Hu (West Lake) Dis.rd EPT. Particular EPT can be accept for every your request.
Q8:How do you treat good quality complaint?
A:1st of all, our quality management will minimize the good quality problem to around zero. If there is a true good quality problem triggered by us, we will deliver you totally free products for replacement or refund your reduction.