保定市模具制造有限公司

護坡塑料模鑒定方法
Identification Method of Plastic Mould for Slope Protection
外觀鑒別
Appearance identification
通過觀察的外觀，可初步護坡塑料模具鑒別出護坡塑料模具制品所屬大類:熱塑性護坡塑料模具，熱固性護坡塑料模具或彈性體護坡塑料模具。一般熱塑性護坡塑料模具有結晶和無定形兩類。結晶性塑料外觀呈半透明，乳濁狀或不透明，只有在薄膜狀態呈透明狀，硬度從柔軟到角質。無定形一般為無色，在不加添加劑時為全透明，硬度從硬于角質橡膠狀。熱固性護坡塑料模具通常含有填且不透料明，如不含填料時為透明。彈性體具橡膠狀手感，有一定的拉伸率。
By observing the appearance, we can identify the main types of plastic moulds for slope protection: thermoplastic moulds for slope protection, thermosetting moulds for slope protection or elastomeric moulds for slope protection. Generally, there are two types of thermoplastic moulds for slope protection: crystalline and amorphous. Crystalline plastics are translucent, opaque or opaque in appearance, only transparent in the film state, with hardness ranging from soft to horny. Amorphous is generally colorless, transparent without additives, harder than keratinous rubber. Thermosetting plastic moulds for slope protection usually contain fillings and are opaque, such as transparent without fillers. The elastomer has a rubber handle and a certain tensile strength.
加熱鑒別
Heating identification
上述三類護坡塑料模具的加熱特征也是各不相同的，通過加熱的方法可以鑒別。熱塑性護坡塑料模具加熱時軟化，易熔融，且熔融時變得透明，常能從熔體拉出絲來，通常易于熱合。熱固性護坡塑料模具加熱至材料化學分解前，保持其原有硬度不軟化，尺寸較穩定，至分解溫度炭化。彈性體加熱時，直到化學分解溫度前，不發生流動，至分解溫度材料分解炭化。
The heating characteristics of the above three types of slope protection plastic moulds are also different, which can be identified by heating method. Thermoplastic moulds for slope protection soften and melt easily when heated, and become transparent when melted. Wires are often drawn from the melt, which is usually easy to heat. Thermosetting slope protection plastic mold is heated until the material is chemically decomposed. Its original hardness is not softened, and its size is stable until the decomposition temperature is carbonized. When the elastomer is heated, no flow occurs until the decomposition temperature, and the material is decomposed and carbonized at the decomposition temperature.