TPX是日本三井化学株式会社所生产的4-甲基戊烯(4-methylpentene-1)的聚合物，TPX是其商品名，化学名称为Methyl pentene copolymer，简称PMP，三井化学株式会社是全球唯一的TPX生产制造商;密度吸水率熔点:240℃; 维卡软化点160℃~170℃; 收缩率:1.5%~3.0%; 透光率:90%~92%(目前已商业化的高透明度树脂中唯一的结晶性聚合体);
捷益塑胶供应TPX塑料以下型号
TPX DX231
TPX DX310
TPX DX350
TPX DX560M
TPX DX570M(EW)
TPX DX820
TPX DX820M
Mitsui Chemicals Europe GmbH
TPX DX845
TPX MBZ230(A)
TPX MLL0238 (Masterbatch grade)
TPX MLL411
TPX MX001
TPX MX002
TPX MX002
Mitsui Chemicals Europe GmbH
TPX MX0020
TPX MX004
TPX MX004XB
TPX RT18
TPX RT18XB
Mitsui Chemicals Europe GmbH
TPX RT31
TPX RT31
TPX RT31
TPX RT31XB
TPX RT31XB
Westlake TPX Film
HiFill TPX-PMP-03032
Honeywell PMP R100
Honeywell PMP R1180
Honeywell PMP R1500
Honeywell PMP R2000
RTP 3000 Z
PMP
RTP 3000
PMP
RTP 3001
PMP
RTP
PMP
RTP 3003
PMP
RTP
PMP
RTP
PMP
RTP 3049 Z
PMP
RTP
PMP
RTP 3099 Xnbsp;
PMP
RTP 3099 X 9
PMP
