In our daily life,especially the construction fields,petroleum resin is widely used. It has many applications in many areas that different conditions should be considered. Besides,it can be available in almost everywhere,no matter it is in the markets or online stores. The latest technology gives its unique performance that we can use to achieve our objective. Now,this article elaborates the softening point scope in different application and the testing methods.

Firstly,petroleum resin can be painted with the softening point ranging from 110℃ to 130℃. Varnish can be made by petroleum resin with various drying oil and different coating can be formed by adding various resin and pigments. It also improves hardness of film,waterproofing resistance to acid and alkali and reduces the cost that makes important role.

Secondly,petroleum resin can rubber with the softening point ranging from 90℃ to 100℃. Petroleum resin is suitable as an additive to natural and synthetic rubber making easily the molding operations and increasing hardness and elasticity. Owing to the hardness,strength and anti-aging,it is specially used as softening agent of SBR rubber and for the production of hose,ape and tire and so forth. Then,the petroleum resin is adhesive with the softening point ranging from 100℃ to 120℃. Petroleum resin has moderate adhesive property, being able to be used as compound agent of adhesive tape. In order to improve waterproofing of the water soluble adhesive, it also can be used as compound agent for plywood, wall paper and leather adhesive. Owning to solidification shrinking percentage is small, it can be used in casing industry.

The printing ink with the softening point ranging from 120℃ to 140℃. With the characteristics of waterproof,wearability and weather fastness,petroleum resin can be used for making ink. Usually,it can be stored in dry and ventilated room. When it come to the testing methods,several points are used in the construction. Such as the softening point,color method,indicator titration method and ash content determination method.

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