VALOX? PBT VC108 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT VC108 resin SABIC Innovative Plastics Asia Pacific
本公司承诺所售原料均为原厂原包假一赔十
东莞永大塑胶原料有限公司
主营产品:
塑胶原料 工程塑胶 聚酰胺 PA66耐磨损 PA66超韧耐寒级 PA66食品级 PA66加玻纤 PA66增韧级 PA66阻燃防火 POM聚甲醛 高粘度POM 坚韧级POM 耐磨损POM 高韧性POM 抗紫外线POM 加玻纤POM 低翘曲POM
工程塑胶:EVA、PC、POM、PA6、PA66、PEEK、COC、PBT、PET PC/ABS、PPS、PPO、LCP;PC
热弹性体:K胶、TPE、TPR、PVC、TPU、TPV、TPX、SBS;
通用塑胶:ABS、PMMA、PP、PE、AS、HDPE、LDPE。
特种料: PEI、PTFE、PVDF
本公司所销售之塑胶原料均可提供原厂的物性表,UL MSDS SGS COC 欢迎来电咨询!
备注:公司长期销售塑胶原料/原厂原包,25千克/包,符合ROHS认证标准,25千克起。质量有保证
VALOX? PBT IQ325HP resin SABIC Innovative Plastics Asia Pacific
VALOX? PC+PBT IQ357 resin SABIC Innovative Plastics
VALOX? PC+PBT IQ357M resin SABIC Innovative Plastics
VALOX? PC+PBT IQ357U resin SABIC Innovative Plastics
VALOX? PBT IQ420 resin SABIC Innovative Plastics
VALOX? PBT IQ420HP resin SABIC Innovative Plastics
VALOX? PBT IQ4860HR resin SABIC Innovative Plastics
VALOX? PC+PBT IQ507 resin SABIC Innovative Plastics
VALOX? PBT+PET IQ8280SF resin SABIC Innovative Plastics
VALOX? PBT IQNH4550 resin SABIC Innovative Plastics
VALOX? PBT IQNH4560 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT IQNH4565 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT K3501 resin SABIC Innovative Plastics
VALOX? PBT K4530 resin SABIC Innovative Plastics
VALOX? PBT K4560 resin SABIC Innovative Plastics
VALOX? PBT PDR4922 resin SABIC Innovative Plastics Asia Pacific
VALOX? ABS+PBT SHF4330 resin SABIC Innovative Plastics Europe
VALOX? PBT SHF4340 resin SABIC Innovative Plastics Europe
VALOX? PBT SHF434HR resin SABIC Innovative Plastics
VALOX? PBT SHF436HR resin SABIC Innovative Plastics
VALOX? PBT SHF4910 resin SABIC Innovative Plastics Europe
VALOX? PBT SHF4930 resin SABIC Innovative Plastics Europe
VALOX? PBT SHF4960 resin SABIC Innovative Plastics Europe
VALOX? PBT V2000DM resin SABIC Innovative Plastics
VALOX? PBT V2105U resin SABIC Innovative Plastics
VALOX? PBT V3004 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT V3105HR resin SABIC Innovative Plastics Europe
VALOX? PBT V3500EX resin SABIC Innovative Plastics Europe
VALOX? PBT V3504 resin SABIC Innovative Plastics Asia Pacific
VALOX? PC+PBT V3900WX resin SABIC Innovative Plastics Asia Pacific
VALOX? PC+PBT V3903WX resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT V4860HR resin SABIC Innovative Plastics
VALOX? PBT+PET V8090 resin SABIC Innovative Plastics Europe
VALOX? PBT+PET V8280 resin SABIC Innovative Plastics
VALOX? PBT+PET V8280SF resin SABIC Innovative Plastics
VALOX? ABS+PBT+PET VAC7041 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT VC108 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT VC112 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT VC120 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT VC130 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT VIC4311 resin SABIC Innovative Plastics
VALOX? PBT VIC4350 resin SABIC Innovative Plastics Asia Pacific
VALOX? PBT VX3101N resin SABIC Innovative Plastics Europe
VALOX? PBT VX4510 resin SABIC Innovative Plastics Europe
VALOX? ABS+PBT VX4910 resin SABIC Innovative Plastics Europe
VALOX? PBT VX4920 resin SABIC Innovative Plastics Europe
VALOX? PBT VX4930 resin SABIC Innovative Plastics Europe
VALOX? PBT VX5011 resin SABIC Innovative Plastics Europe
VALOX? PBT VX5022 resin SABIC Innovative Plastics Europe
PBT注塑工艺:
PBT的聚合工艺成熟、成本较低,成型加工容易。未改性PBT性能不佳,实际应用要对PBT进行改性,其中,玻璃纤维增强改性牌号占PBT的70%以上。
1、PBT的工艺特性
PBT具有明显的熔点,熔点为225~235℃,是结晶型材料,结晶度可达40%。PBT熔体的粘度受温度的影响不如剪切应力那么大,因此,在注塑中,注射压力对PBT熔体流动性影响是明显。PBT在熔融状态下流动性好,粘度低,仅次于尼龙,在成型易发生“流延”现象。PBT成型制品各向异性。PBT在高温下遇水易降解。
2、原料准备
注塑前要进行干燥、要将水分含量控制在0.02%以下。采用热风循环干燥时,当温度为105℃、120℃或140℃时,所对应的时间不超过6h、4h、2h。料层厚度低于30mm。
3、注塑工艺参数
①注射温度 PBT的分解温度为280℃,所以实际生产中一般控制在240-260℃之间。②注射压力注射压力一般为50~100MPa。③注射速率 PBT冷却速度快,因此要采用较快的注射速率。④螺杆转速和背压 成型PBT的螺杆转速不宜超过80r/min,一般在25~60r/min之间。背压一般为注射压力的10%~15%。⑤模具温度 一般控制在70~80℃,各部位的温度差不超过10℃。⑥成型周期 一般情况下为15~60 s。