产品描述
SH-7033/7034有机硅树脂
一、性能及用途
本产品是一种高二氧化硅含量的甲基固体硅树脂，耐热性能良好，高温分解时产生的烟雾较少，反应活性高，粘合性能强，硬度高，抗刮伤性能好。
7034是7033树脂以环保溶剂稀释后的液体硅树脂。
二、主要技术指标
|
项 目 |
指 标 |
试验方法 |
|
外 观 |
无色至淡黄色透明固体 |
GB1721 |
|
挥发分，% |
≤3 |
|
|
软化点，℃ |
60～85 |
GB/T12007.6-1989 |
|
甲苯中的溶解性（1:1） |
清澈透明 |
|
三、推荐应用
1、应用于层压板的绝缘粘结；
2、应用于电阻绝缘涂料，提供较好耐温性能的同时，赋予其稳定性(不冒烟、不开裂)和抗刮损伤性能等；
四、包装及贮运
一般为50KG塑料内衬纸桶包装，为防止结块，在25℃以下阴凉干燥环境下密封储存，相应保质期为自生产之日起6个月。
五、施工参考
1、如采用溶剂法制备涂层或粘结剂，建议优选甲苯或二甲苯作为溶剂，充分溶解树脂后配漆，溶解过程中可以适度升温（≤60℃），使用前有必要以200目滤布进行过滤并观察滤液是否清澈；
2、如使用粉末涂料的方法制备电阻绝缘涂料，需确保树脂与颜填料的充分混合与包裹。
Organic Silicone Resin SH-7033/7034
Ⅰ Properties & Uses
This product is a methyl solid silicone resin with high silica content. It has good heat resistance and very less smoke when decomposed under high temperature, high reactivity, strong adhesion, high hardness, good scratch resistance.
7034 is a liquid silicone resin diluting 7033 with an environmental-friendly solvent.
II Technical index
|
Items |
Index |
Test method |
|
Appearance |
Colorless to light yellow transparent solid |
GB1721 |
|
Volatile matter % |
≤ 3 % |
|
|
Softening point (℃) |
60-85 |
GB/T12007.6-1989 |
|
Solubility in toluene(1:1) |
Clear and transparent |
|
Ⅲ Recommended applications
1.It is used in laminate insulation bond.
2.It is used in resistance and insulation coatings, providing good temperature resistance, at the same time, giving it the performance of stability (no smoke, no cracking) and scratch resistance etc.
Ⅳ Packaging and storage
Generally be packed in 50kg plastic inner lining paper drums, sealed stored in a cool and dry environment under 25℃. The shelf life is generally 6 months from the date of production.
Ⅴ Construction reference
1. If the coating or binder is prepared by solvent method, it is recommended to select toluene or xylene as the solvent to throughly dissolve the resin and prepare the paint. The dissolution process can be moderately heated (≤60℃). It is necessary to filter with 200-mesh press cloth before using and observe whether the filtrate is clear.
2. If powder coatings are used to prepare resistive insulating coatings, it is necessary to ensure that the resin and pigment filler are completely mixed.
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