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      一般輕型輸送帶/ light conveyor belt
      網站首頁> 產品分類> 一般輕型輸送帶

      塑料輕型輸送帶-PU輸送帶

      PU輸送帶

       

      輸送帶聚氨酯涂層

      熱塑性聚氨酯彈性體(TPU)是指大分子二醇(聚酯或聚醚)、二異氰酸酯(MDI、HDI、PPDI)和小分子擴鏈劑(二醇或二胺)加成聚合而成的嵌段共聚物。TPU大分子主鏈中長鏈多元醇(聚醚或聚酯) 構成軟段,主要控制其低溫性能、耐溶劑性和耐候性,而擴鏈劑和多異氰酸酯構成硬段決定彈性體的硬度、耐熱性以及力學性能等。采用不同品種和結構的原料多元醇、二異氰酸酯和擴鏈劑可合成出品種多樣、性能各異、用途廣泛的TPU,加之硬、軟段的配比可以在很大范圍內調整, 還可借助于不同的助劑和不同的共混改性途徑而賦予其更加寬廣的性能。

      TPU 硬段的內聚力強度和結構的多樣化,決定著其具有下列性能:

         優異的耐磨性能
         拉伸強度高、伸長率大
         耐油性能
         耐低溫性、耐候性、耐臭氧性能突出
         硬度范圍廣



       PU輸送帶的加工工藝

       擠出壓延工藝

       刮涂壓延工藝

         
       TPU原料狀態為透明顆粒狀,經干燥初始后按照固定配方工藝喂入擠出機進行擠出薄膜,薄膜與涂膠基布壓延貼合,后續可進行多層復合壓延、壓花工藝,生產出所需輸送帶。  TPU原料狀態為染色粉末狀,經干燥除濕后通過刮刀均勻涂覆與涂膠基布上,紅外加熱熔融,多輥壓延復合成型,后續進行多層復合壓延、壓花工藝,生產出所需輸送帶。
      工藝流程簡單,生產效率高;原材料強度減小幅度低,輸送帶強度高于刮涂工藝;TPU膠層不易產生氣泡,結構密實,厚度均勻性高。 原材料需多次加工,包括調色、磨粉等工藝,原材料強度衰減較大,膠層容易產生氣泡,厚度控制難度較高均勻性差。

       

      PU輸送帶的常規規格

       

      品名

      硬度

      鋼板

      摩擦

      系數

      單位

      重量 

      使用溫度

      最小

      滾輪

      直徑

      標準

      單位

      A


      kg/m2

      °C

      mm

      mm

      BU/1 EM 5-00+03 S0 AS W 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 W 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 AS W 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 W 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EF 5-00+03 AS W 0.9mm FG

      90

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+S21 AS W 1.1mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 AS SB 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 SB 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 AS SB 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 SB 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+S21 AS SB 1.1mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 AS W 1.15mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 W 1.15mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 AS W 1.15mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 W 1.15mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 AS SB 1.15mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+04 S0 AS SB 1.1mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+04 AS SB 1.1mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+04 SB 1.1mm FG

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/2 EM 8-00+03 S0 AS W 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 AS W 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 S0 W 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 W 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 S0 AS SB 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 AS SB 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 S0 SB 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 SB 1.45mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 AS W 1.25mm FG

      90

      0.25

      1.4

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 S0 AS W 1.25mm FG

      90

      0.25

      1.4

       -20°C/+90°C

      15

      3000

      BU/2 EF 8-00+03 S0 AS W 1.35mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      2900

      BU/2 EF 8-00+03 AS W 1.35mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      15

      2900

      BU/2 EM 8-00+05 S0 AS W 1.8mm FG

      90

      0.25

      2.1

       -20°C/+90°C

      30

      3000

      BU/2 EM 8-00+07 S0 AS W 2mm FG

      90

      0.25

      2.2

       -20°C/+90°C

      40

      3000

      BU/2 EM 8-00+S21 AS W 1.7mm FG

      90

      0.25

      1.9

       -20°C/+90°C

      20

      3000

      BU/2 EM 8-00+03 AS DG 1.45mm

      90

      0.25

      1.8

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+03 S0 AS DG 1.45mm

      90

      0.25

      1.8

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+05 S0 AS DG 1.8mm

      90

      0.25

      2.1

       -20°C/+90°C

      30

      3000

      BU/2 EM 8-00+07 S0 AS DG 2.1mm

      90

      0.25

      2.4

       -20°C/+90°C

      30

      3000

      BU/2 EM 8-00+04 AS DG 1.5mm

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+04 S0 AS DG 1.5mm

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+12 AS DG 2.4mm

      90

      0.25

      2.6

       -20°C/+90°C

      30

      3000

      BU/2 EX 8-00+08 S0 AS Transp. 1.8mm FG

      90

      0.25

      2

       -20°C/+90°C

      30

      3000

      BU/2 EX 8-00+09 S0 AS DG 2.0mm

      90

      0.25

      2.2

       -20°C/+90°C

      30

      3000

      BU/2 EM 8-00+S24 AS DG 2.6mm

      90

      0.25

      2.8

       -20°C/+90°C

      40

      3000

      BU/2 EF 8-00+06 S0 AS DG 1.7mm

      90

      0.25

      1.9

       -20°C/+90°C

      30

      2900

      BU/2 EM 8-00+S24 AS DG 2.2mm

      90

      0.25

      2.4

       -20°C/+90°C

      30

      3000

      BU/2 EF 8-00+03 S0 AS DG 1.5mm

      90

      0.25

      1.8

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+04 S0 AS BK 1.5mm

      90

      0.25

      1.8

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+S21 AS SB 1.7mm FG

      90

      0.25

      1.9

       -20°C/+90°C

      20

      3000

      BU/2 EM 8-00+05 S0 AS PB 1.8mm

      90

      0.25

      2.1

       -20°C/+90°C

      30

      3000

      BU/2 EF 8-00+04 S0 AS W 1.5mm FG

      90

      0.25

      1.8

       -20°C/+90°C

      15

      3000

      BU/2 EF 8-00+04 AS W 1.5mm FG

      90

      0.25

      1.8

       -20°C/+90°C

      15

      3000

      BU/1 ESM 5-00+03 S0 AS W 0.8mm FG FL

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+03 S0 W 0.8mm FG FL

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+03 S0 AS W 0.8mm FG FL

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+03 S0 W 0.8mm FG FL

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+S21 AS W 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+04 S0 W 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+S21 AS W 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+04 S0 W 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/2 ESM 8-00+03 S0 AS W 1.45mm FG FL

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 ESM 8-00+03 S0 W 1.45mm FG FL

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 ESM 8-00+03 S0 AS SB 1.45mm FG FL

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 ESM 8-00+04 S0 AS DG 1.5mm FG FL

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 ESM 8-00+03 S0 SB 1.45mm FG FL

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/1 EM 5-00+07 AS W 1.3mm FG

      85

      0.25

      1.4

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+05 S0 AS W 1.15mm

      85

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 AS W 0.8mm

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 AS W 0.8mm FG

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 W 0.8mm FG

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+S22 W 0.8mm

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 AS W 0.8mm FG

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+05 AS W 1mm FG

      80

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+S18 W 1.3mm FG

      80

      0.25

      1.5

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 S0 W 0.8mm FG

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EF 5-00+02 Transp. 0.7mm FG

      80

      0.25

      0.9

       -20°C/+90°C

      8

      2900

      BU/1 EM 5-00+S21 AS W 1mm FG

      80

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 EF 5-00+03 W 0.8mm FG

      80

      0.25

      0.9

       -20°C/+90°C

      8

      2900

      BU/1 EM 5-00+03 W 0.8mm

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+03 W 0.8mm

      80

      0.25

      0.9

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+04 S0 AS BK 1mm

      90

      0.25

      1.1

       -20°C/+90°C

      10

      3000

      BU/2 EM 8-00+03 S0 AS BK 1.45mm

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/1 ESM 5-00+03 S0 AS DB 0.8mm FG FL AM

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/2 ESM 8-00+03 S0 AS DB 1.3mm FG FL AM

      90

      0.25

      1.4

       -20°C/+90°C

      15

      3000

      BU/1 ESM 5-00+04 S0 AS W 0.8mm FG FL HT

      90

      0.25

      0.8

       -20°C/+100°C

      8

      3000

      BU/2 ESM 8-00+03 S0 AS W 1.45mm FG FL HT

      90

      0.25

      1.6

       -20°C/+110°C

      15

      3000

      BU/1 ESM 5-00+S21 AS W 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+S21 W 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+S21 SB 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/1 ESM 5-00+S21 AS SB 1.1mm FG FL

      90

      0.25

      1.1

       -20°C/+90°C

      8

      3000

      BU/2 ESM 8-00+S21 AS W 1.7mm FG FL

      90

      0.25

      1.6

       -20°C/+90°C

      20

      3000

      BU/2 ESM 8-00+S21 AS SB 1.7mm FG FL

      90

      0.25

      1.6

       -20°C/+90°C

      20

      3000

      Bfab/2 ESF 6-00+0 (U) Transp. 1.3mm FG


      0.25

      1.2

       -20°C/+90°C

      10

      3000

      Bfab/2 ESF 6-00+0 (U) W 1.3mm FG


      0.25

      1.2

       -20°C/+90°C

      10

      3000

      Bfab/2 EM 8-00+00 (U) AS W 1.3mm FG


      0.25

      1.4

       -20°C/+90°C

      10

      3000

      Bfab/2 EM 8-00+00 (U) W 1.3mm FG


      0.25

      1.4

       -20°C/+90°C

      10

      3000

      Bfab/2 EM 8-00+00 (U) AS BK 1.6mm


      0.25

      1.7

       -20°C/+90°C

      15

      3000

      Bfab/2 EM 8-00+00 (U) AS Transp. 1.15mm FG


      0.25

      1.2

       -20°C/+90°C

      10

      3000

      Bfab/2 EM 8-00+00 (U) AS W 1.6mm FG


      0.25

      1.7

       -20°C/+90°C

      15

      3000

      Bfab/3 EF 12-00+00 (U) W 3.0mm FG


      0.25

      3.2

       -20°C/+90°C

      40

      2900

      Bfab/2 EM 8-00+00 (U) AS BK 1.6mm


      0.25

      1.7

       -20°C/+90°C

      15

      3000

      Bfab/2 EM 8-00+00 (U) AS Transp. 1.3mm FG


      0.25

      1.4

       -20°C/+90°C

      10

      3000

      Bfab/2 EM 8-00+00 (U) AS Transp. 1.3mm FG


      0.25

      1.4

       -20°C/+90°C

      10

      3000

      Bfab/2 EM 8-00+00 (U) BK 1.8mm


      0.25

      1.8

       -20°C/+90°C

      30

      3000

      Bfab/2 EM 8-00+00 (U) BK 1.45mm


      0.25

      1.5

       -20°C/+90°C

      15

      3000

      Bfab/2 EM 8-00+00 (U) AS SB 1.3mm FG


      0.25

      1.4

       -20°C/+90°C

      10

      3000

      BU/2 EM 8-00+04 S0 AS W 1.8mm

      90

      0.25

      1.9

       -20°C/+90°C

      15

      3000

      BU/3 EM 12-00+08 S0 DG 3.3mm

      90

      0.25

      3.8

       -20°C/+90°C

      90

      3000

      BU/3 EM 12-00+08 S0 AS BK 3.3mm

      90

      0.25

      3.8

       -20°C/+90°C

      90

      3000

      BU/3 EM 12-00+S24 DG 3.5mm

      90

      0.25

      3.8

       -20°C/+90°C

      100

      3000

      BU/3 EM 12-00+S7 DG 3.5mm

      90

      0.25

      3.7

       -20°C/+90°C

      100

      3000

      BU/3 EM 15-00+S24 AS BK 3.5mm

      90

      0.25

      4

       -20°C/+90°C

      100

      3000

      BU/3 EM 15-00+S7 DG 4.5mm

      90

      0.25

      3.7

       -20°C/+90°C

      100

      3000

      BU/3 EM 12-00+S10 AS DG 3.5mm

      90

      0.25

      3.8

       -20°C/+90°C

      100

      3000

      BU/3 EM 18-00+07 S0 DG 4mm

      90

      0.25

      4.3

       -20°C/+90°C

      140

      3000

      BU/3 EM 18-00+S10 DG 4.5mm

      90

      0.25

      4.5

       -20°C/+90°C

      140

      3000

      BU/3 EM 12-00+S5 AS BK 3.0mm

      90

      0.25

      3.3

       -20°C/+90°C

      80

      3000

      BU/1 SW 15-00+20 S0 AS W 5.0mm

      90

      0.25

      4.6

       -20°C/+90°C

      120

      3000

      BU/3 EM 12-00+05 AS BK 3.0mm

      90

      0.25

      3.3

       -20°C/+90°C

      80

      3000

      BU/3 EM 15-00+S10 AS DG 5.5mm

      90

      0.25

      6

       -20°C/+90°C

      140

      3000

      BU/3 EM 15-10+10 S0 AS BK 4.5mm

      90

      0.25

      4.8

       -20°C/+90°C

      110

      3000

      BU/3 EM 12-00+20 S0 AS DG 5.0mm

      90

      0.25

      5.2

       -20°C/+90°C

      120

      3000

      BU/3 EM 12-00+25 S0 AS DG 5.5mm

      90

      0.25

      6

       -20°C/+90°C

      140

      3000

      BU/3 EM 18-00+20 S0 AS DG 4mm

      90

      0.25

      6.0

       -20°C/+90°C

      110

      3000

      BU/3 EM 15-00+24 S0 AS BK 5mm

      95

      0.25

      5.97

       -20°C/+90°C

      140

      2000

      BU/2 EF 8-00+03 S0 AS BK 2.1mm FR

      95

      0.25

      2.4

       -20°C/+90°C

      80

      3000

      BU/2 EM 20-00+08 S0 AS BK 2.6mm

      95

      0.25

      3.1

       -20°C/+90°C

      80

      3000

      BU/3 EM 20-00+04 S0 AS BK 2.6mm

      95

      0.25

      3

       -20°C/+90°C

      100

      3000

      BU/3 ETK 30-00+04 S0 AS BK 2.6mm

      95

      0.25

      3

       -20°C/+90°C

      100

      3000

      BU/3 EMK 65-00+04 S0 AS BK 2.6mm

      95

      0.25

      3

       -20°C/+90°C

      100

      3000

      BU/2 ESM 8-00+03 S0 AS DB 1.3mm FG FL AM

      90

      0.25

      1.4

       -20°C/+90°C

      15

      3000

      BU/2 EF 8-00+03 S0 AS DB 1.35mm FG FL AM

      90

      0.25

      1.6

       -20°C/+90°C

      15

      3000

      BU/2 ESM 8-00+05 S0 AS DB 1.45mm FG FL AM

      90

      0.25

      1.6

       -20°C/+90°C

      20

      3000

      BU/2 EM 20-00+03 S0 AS W 1.8mm

      90

      0.25

      1.9

       -20°C/+90°C

      15

      3000

      BU/2 EM 8-00+SM AS AG 1.5mm FG

      90

      0.25

      1.6

       -20°C/+90°C

      20

      3000

      BU/1 EM 5-00+SM AS PB 0.8mm FG

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/1 EM 5-00+SM AS DB 0.8mm FG AM

      90

      0.25

      0.8

       -20°C/+90°C

      8

      3000

      BU/2 EM 8-00+SM AS DB 1.3mm FG AM

      90

      0.25

      1.4

       -20°C/+90°C

      15

      3000

      BU/3 EM 10-00+25 S0 AS Transp. 5.0mm FG

      95

      0.25

      5.6

       -20°C/+90°C

      200

      3000

      BU/2 EMK 30-00+05 S0 BK 2.4mm

      95

      0.25

      2.6

       -20°C/+90°C

      160

      3000

      BU/3 EMK 50-00+05 S0 BK 3.7mm

      95

      0.25

      4.3

       -20°C/+90°C

      250

      3000

      BU/1 EMK 6-04+04 S0 SB 1.3mm FG

      90

      0.6

      1.6

       -20°C/+90°C

      9

      3000

      BU/3 EMK 50-00+05 S0 BK 3.8mm

      95

      0.25

      4.3

       -20°C/+90°C

      250

      3000

      BU/1 EF 3-02+02 TRANSP. 0.9MM FG
         80    0.25     0.9
          -20°C/+90°C
          6   3000
      BU/2 EM 8-00+03 AS W 1.5MM FG    90    0.25     1.5     -20°C/+90°C
          15   3000


      注釋:
       BU  /  2  EM 8 -  00 + 04  S0 AS  W  1.7mm  FG
       材質  /  布層數量  布層結構  1%定身強度  -  底層狀態  +  表層厚度  表層花紋  抗靜電  顏色  總厚度  特性

      BU-PU; BV-PVC; Bfab-Fabric; Bfelt-Felt; BPE-PE; BTP-TPEE;BSilic-Silicone

      EM-橫向穩定; EF-橫向柔軟; EX-橫向穩定且低噪音; ESM-橫向穩定且防毛邊; EMK-芳綸布且橫向穩定;ETK-芳綸布且橫向柔軟;SW-立體織布

      00-底層涂膠水;0-底層無膠水

      S0-霧面;S6-直線爬坡文;S7-井字紋;S133-鋸齒紋;S18-中鉆石紋;S20-大方格紋;S21-小鉆石紋;S22-沙皮紋; S23-小圓點紋;S24-十字形紋;S32-直條紋;S33-人字形紋;S42-波浪爬坡紋;S46-大圓釘紋;SM-超級霧面;S11-米?;y(注:未標注花紋則為光面

      AS-布層有導電紗,防靜電

      W-白色; AG-蘋果綠; SB-天藍色; DB-深藍色; DG-墨綠色; BK-黑色;Transp.-透明;PB-石油藍; AM-防霉抗菌; FL-防毛邊; FR-阻燃; HT-耐高溫; ES-節能


      亚洲一区二区三级片,另类精美视频,男人29P,制服诱惑无码专区