
設(shè)計(jì)師、工程師和制造商依靠 Crastin ? PBT 的剛度和韌性、卓越的電絕緣性能和卓越的表面光潔度。Crastin ?還因其出色的尺寸特性和抗?jié)穹€(wěn)定性以及耐熱性而受到青睞。
Crastin ?用途廣泛。它有 FDA 和 EU 批準(zhǔn)的食品和化妝品應(yīng)用等級(jí),并且符合最嚴(yán)格的電氣絕緣標(biāo)準(zhǔn)。它使杜邦能夠提供業(yè)界較大的 EIS 產(chǎn)品組合,這些產(chǎn)品組合已獲得美國(guó)保險(xiǎn)商實(shí)驗(yàn)室 (UL) 等級(jí)的預(yù)先批準(zhǔn)并符合 IEC 標(biāo)準(zhǔn)。
杜邦? Crastin ? PBT 為制造商提供了卓越的流動(dòng)質(zhì)量?jī)?yōu)勢(shì)。它很容易在傳統(tǒng)的注塑機(jī)上加工。它有多種等級(jí),專為低翹曲、耐水解以及吹塑和擠出而設(shè)計(jì)。
借助 Crastin ?,杜邦材料科學(xué)專家可幫助客戶在不影響性能的情況下提高成本效率。
機(jī)械性能:強(qiáng)度高、耐疲勞性、尺寸穩(wěn)定、蠕變也?。ǜ邷貤l件下也極少有變化);
耐熱老化性:增強(qiáng)后的UL溫度指數(shù)達(dá)120~140℃(戶外長(zhǎng)期老化性也很好);
耐溶劑性:無應(yīng)力開裂;
對(duì)水穩(wěn)定性:PBT遇水不易分解;
電氣性能:電絕緣性能、耐熱;介電系數(shù):3.0-3.2;耐電弧性:120s
絕緣性能:優(yōu)良(潮濕、高溫也能保持電性能穩(wěn)定,是制造電子、電氣零件的理想材料);
優(yōu)異的尺寸特性和相對(duì)濕度的穩(wěn)定性
易于加工:注塑或擠塑。由于結(jié)晶速度快,流動(dòng)性好,模具溫度也比其他工程塑料低。在加工薄壁制件時(shí),僅需幾秒鐘,對(duì)大部件也只要40-60s即可。
化妝品包裝材料
電氣和電子塑料
電氣封裝材料
電絕緣聚合物
食品接觸材料
創(chuàng)新的家具設(shè)計(jì)
機(jī)械齒輪
醫(yī)療器械材料
光伏板及零部件
體育用品用塑料
電器用聚合物
PBT注塑之前一定要在110~120℃的溫度下干燥3小時(shí)左右,成型加工溫度為250~270℃,模溫控制在50~75℃為宜。因該料從熔融狀態(tài)一經(jīng)冷卻,則會(huì)立即凝固結(jié)晶,故其冷卻時(shí)間較短;若噴嘴溫度控制不當(dāng)(偏低),流道(水口)易冷卻固化,會(huì)出現(xiàn)堵嘴現(xiàn)象。若料筒溫度超過275℃或熔料在料筒中停留時(shí)間超過30分鐘,易引起材料分解變脆。PBT注塑時(shí)需用較大水口進(jìn)膠,不宜使用熱流道系統(tǒng),模具排氣要良好,宜用“高速、中壓、中溫”的條件成型加工,防火料或加玻纖的PBT水口料不宜再回收利用,停機(jī)時(shí)需用PE或PP料及時(shí)清洗料管,以免碳化。
美國(guó)杜邦Crastin@PBT系列牌號(hào):
Crastin? 6129 NC010
Crastin? 6130 NC010
Crastin? 6131 NC010
Crastin? 6134 NC010
Crastin? BM6450XD BK560
Crastin? CE15315 BK010 PBT-GF15 FR(17)
Crastin? CE15315 NC010 PBT-GF15 FR(17)
Crastin? CE15330 BK010 PBT-GF30 FR(17)
Crastin? CE15330 NC010 PBT-GF30 FR(17)
Crastin? CE2055 BK580
Crastin? CE2055 NC010
Crastin? CE3054 BK580
Crastin? FG6130 NC010
Crastin? FG6131 NC010
Crastin? FG6134 NC010
Crastin? FGS600F10 NC010
Crastin? FGS600F40 BK594
Crastin? FGS600F40 NC010
Crastin? FGS621F50 NC010
Crastin? FR1301TC BK350 PBT FR(17)...
Crastin? FR684NH1 BK591 PBT-GF25 FR(40)
Crastin? FR684NH1 NC010 PBT-GF25 FR(40)
Crastin? FR684NH1 OR162 PBT-GF25 FR(40)
Crastin? HR5315HF BK503 PBT-I-GF15
Crastin? HR5315HF NC010 PBT-I-GF15
Crastin? HR5315HFS BK591 PBT-I-GF15
Crastin? HR5315HFS NC010 PBT-I-GF15
Crastin? HR5330HF BK503 PBT-I-GF30
Crastin? HR5330HF NC010 PBT-I-GF30
Crastin? HR5330HFS BK591 PBT-I-GF30
Crastin? HR5330HFS NC010 PBT-I-GF30
Crastin? LW9020 BK580 (PBT+ASA)-GF20
Crastin? LW9020 NC010 (PBT+ASA)-GF20
Crastin? LW9020FR BK851 (PBT+ASA)-GF20 FR(17)
Crastin? LW9020SF NC010 (PBT+ASA)-GF20
Crastin? LW9030 BK851 (PBT+ASA)-GF30
Crastin? LW9030 NC010 (PBT+ASA)-GF30
Crastin? LW9030FR BK851 (PBT+ASA)-GF30 FR(17)
Crastin? LW9030FR NC010 (PBT+ASA)-GF30 FR(17)
Crastin? LW9320 BK851 (PBT+SAN)-I-GF20
Crastin? LW9320 NC010 (PBT+SAN)-I-GF20
Crastin? LW9320LM BK591 (PBT+SAN)-I-GF20
Crastin? LW9330 BK851 (PBT+SAN)-I-GF30
Crastin? LW9330 NC010 (PBT+SAN)-I-GF30
Crastin? PC164 NC010
Crastin? S600F10 BK851
Crastin? S600F10 NC010
Crastin? S600F20 BK851
Crastin? S600F20 NC010
Crastin? S600F40 BK851
Crastin? S600F40 NC010
Crastin? S610SF BK851
Crastin? S610SF NC010
Crastin? S620F20 BK851
Crastin? S620F20 NC010
Crastin? S650FR NC010
Crastin? SC164 NC010
Crastin? SC193 NC010 (PBT+SAN)-GF30
Crastin? SK601 BK851 PBT-GF10
Crastin? SK601 NC010 PBT-GF10
Crastin? SK602 BK851 PBT-GF15
Crastin? SK602 NC010 PBT-GF15
Crastin? SK603 BK851 PBT-GF20
Crastin? SK603 NC010 PBT-GF20
Crastin? SK605 BK851 PBT-GF30
Crastin? SK605 NC010 PBT-GF30
Crastin? SK605LM BK591 PBT-GF30
Crastin? SK608 BK509 PBT-GF45
Crastin? SK609 BK851 PBT-GF50
Crastin? SK609 NC010 PBT-GF50
Crastin? SK612SF NC010 PBT-GF15
Crastin? SK615SF BK591 PBT-GF30
Crastin? SK615SF NC010 PBT-GF30
Crastin? SK641FR NC010 PBT-GF10 FR(17)
Crastin? SK642FR BK851 PBT-GF15 FR(17)
Crastin? SK643FR BK851 PBT-GF20 FR(17)
Crastin? SK643FR NC010 PBT-GF20 FR(17)
Crastin? SK645FR BK851 PBT-GF30 FR(17)
Crastin? SK645FR NC010 PBT-GF30 FR(17)
Crastin? SK692FR BK507 PBT-GF15 FR(17)
Crastin? SK692FR NC010 PBT-GF15 FR(17)
Crastin? SK695FR BK507 PBT-GF30 FR(17)
Crastin? SK695FR NC010 PBT-GF30 FR(17)
Crastin? SO653 NC010 PBT-GB20
Crastin? ST820 BK503
Crastin? ST820 NC010
Crastin? ST830FRUV NC010 PBT-I FR(17)
Crastin? T841FR1 NC010 PBT-GF10 FR(17)
Crastin? T843FR BK851 PBT-GF20 FR(17)...
Crastin? T843FR NC010 PBT-GF20 FR(17)