杜邦鐵氟龍(Teflon)涂層加工
杜邦鐵氟龍(Teflon)涂層加工
產品價格:¥3(人民幣)
  • 規格:Teflon
  • 發貨地:上海
  • 品牌:
  • 最小起訂量:1件
  • 免費會員
    會員級別:試用會員
    認證類型:企業認證
    企業證件:通過認證

    商鋪名稱:比爾安達(上海)潤滑材料有限公司

    聯系人:郁水峰(先生)

    聯系手機:

    固定電話:

    企業郵箱:smallwatersh@sina.com

    聯系地址:上海市寶山區長建路198號1號廠房

    郵編:200949

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    商品詳情
      杜邦鐵氟龍420-703涂層的詳細描述:
      Fact Sheet
      Description
      Teflon® 420-703 solvent-based primer offers superior
      intercoat adhesion with PFA and FEP powders.
      This primer is not recommended as a one coat.
      Refer to Table 1 for physical property data.
      FDA Status
      Teflon® 420-703 complies with FDA regulations in
      21 CFR governing components of coatings for direct
      food contact when applied according to Fact Sheet
      instructions. Topcoats must also comply for the
      system to be FDA conforming.
      Table 1
      Teflon ® Primer for Powder Coatings
      Typical Properties
      420-703
      Color Black
      Weight Solids, % 30.6
      Volume Solids, % 17.9
      Density, lb/gal 9.5
      kg/L 1.14
      Coverage, m2/L* 7.1
      ft2/gal* 287
      Viscosity, cP 800–1600
      Maximum Use Temperature **
      Note: These figures are averages and may vary.
      * Theoretical coverage at 25 μm (1 mil) assuming 100% spray
      efficiency.
      ** Dependent upon Topcoat. Refer to Fact Sheet on Topcoat.
      Substrates
      Teflon® 420-703 primer can be used on carbon steel,
      stainless steel, and aluminum substrates. Substrates
      must be free of contamination and thoroughly
      cleaned. To obtain maximum adhesion, gritblasting
      is recommended to a profile of 4–8 μm
      (0.2–0.3 mil). The primer should be applied
      immediately after blasting on carbon steel to
      minimize flash rusting. Refer to the Fact Sheet
      on Application.
      Topcoats
      Teflon® 420-703 is the recommended primer for
      532-5nnn, 532-7nnn, 532-8nnn, 856-Line and
      857-210.
      Application
      1. Bring material to room temperature.
      2. Mix thoroughly and filter the material through a
      100-mesh stainless steel screen (0.146 mm
      openings).
      3. The primer is supplied ready to spray. If
      further reduction is required TN-8595, a 50:50
      mixture of NMP:MIBK, may be used up to
      1–2% by volume.
      Use conventional industrial spray equipment.
      4. Apply at dry film thickness of 10–15 μm
      (0.4–0.6 mil). On carbon steel, cover blast
      profile for best results.
      Bake
      As primer for powder topcoats:
      1. Spray powder directly onto wet primer, or
      force dry then apply powder topcoats.
      2. Bake as recommended by the Fact Sheet on
      Topcoat. Note: Optimum adhesion with PFA
      powder requires an initial bake of 400°C
      (750°F) metal temperature.
      As primer for liquid topcoats:
      1. Force dry at 220°C (430°F) for 10 min.
      Teflon® Primer for Powder Coatings
      420-703
      DuPont™ Teflon®
      Industrial Coatings
      The DuPont Oval Logo, The miracles of science®, and Teflon® are
      trademarks or registered trademarks of E.I. du Pont de Nemours and
      Company.
      Use of DuPont trademarks is subject to License Agreement and qualification
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