Pc plastic refers to a class of polymers containing carbonate groups in the molecular chain, because of its low mechanical properties, which also limits its application in some engineering plastics. In the current production of plastics a development level, only some aromatic plastics used in industrial production, but it is still the fastest growing a plastic material, which also led to the high price of pc plastic. Next let us come together to understand some of the characteristics of pc plastic and its price quotations.
Characteristics of Pc plastic
1, mechanical properties: high strength, fatigue resistance, dimensional stability, creep is also small (high temperature conditions are also rarely change);
2, heat aging resistance: enhanced UL temperature index of 120 ~ 140 ℃ (outdoor long-term aging is also very good) ;
3, solvent resistance: no stress cracking;
4, stability to water: easy to decompose in the presence of water at high temperatures (high temperature and high humidity environments need to be used with caution);
5, electrical properties:
a, insulating properties: b, dielectric coefficient: 3.0-3.2;
c, arc resistance: 120s;
6, molding processability: Ordinary equipment injection molding or extrusion.
PC plastic bonding, according to different needs, you can choose the following adhesives:
1.G-933: one-component room temperature curing soft elastic shockproof adhesive, high and low temperature resistance, different viscosity bonding speed of a few seconds to a few hours of curing completed.
2.KD-833 instant adhesive, can be a few seconds or tens of seconds to quickly bond PC plastic, but the adhesive layer is hard and brittle, does not tolerate more than 60 degrees hot water immersion.
3.?QN-505, two-component adhesive, the adhesive layer is soft, suitable for PC plastic bonding or composite large areas. But the performance of high temperature resistance is poor.
4. QN-906: two-component adhesive, high temperature resistance.
5.G-988: one-component room temperature vulcanizing adhesive, cured elastomer with excellent waterproof, shockproof adhesive, high and low temperature resistance, 1-2mm thickness, then, 10 minutes or so of the initial solidification, 5-6 hours of basic curing, there is a certain strength. It takes at least 24 hours for complete curing. Single-component, no mixing, extruded and coated static can be, no need to add temperature.
6.KD-5606: UV UV curing adhesive, bonding transparent PS sheet and plate, up to the effect of no trace, the need for UV light curing. After sticking the effect is beautiful. But the performance of high temperature resistance is poor.
pc plastic prices (prices from the network, for reference only)
Price of PC buckets in the Hebei region of 7900-8700 PC yuan, unfaded plating waste discs 5700-6700 yuan, PC faded discs 10200-10700 yuan PC / ABS shell material 4000-4400 yuan;
Guangdong area PC buckets 7400-7900 yuan, PC unfaded plating waste discs 5800-6600 yuan, PC fading plating discs 10100-10600 yuan, PC/ABS shell material 4000-4500 yuan;
Zhejiang area PC buckets 7900-8400 yuan, PC unfaded plating scrap discs 5500-6500 yuan, PC fading plating disc 10000-10500 yuan, PC/ABS shell material 4000-4400 yuan.
The main application areas of PC engineering plastics for the glass assembly industry, automotive industry and electronics, electrical industry, in addition to these will be used in some packaging, medical and health care, film, protective equipment, industrial machinery parts, CD-ROMs, recreation and computers and other office equipment. Excluding the wider application of plastic, in some banks or public **** production will also be used as a protective material and is applied. Understanding some of the prices of pc plastic can help you effectively grasp some of its market situation.
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