Baytec® MS-052 (HQEE)

Category: PUR-Ester/MDI , Polyurethane (Polyester, MDI)
Manufacturer: Covestro - PUR
Trademark: Baytec®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: zoaF9I_Baytec-MS-052-HQEE-.pdf
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Baytec MS-052 is a modified diphenylmethane diisocyanate (MDI)-terminated polyester prepolymer used in the manufacture of high-property solid cast polyurethane elastomers. When extended with 1,4-butanediol, this material complies with FDA regulation 21 CFR 177.2600 (Rubber Articles Intended for Repeated Use) and may be used for wet and dry repeated-use food-contact applications. When extended with HQEE, it complies with 21 CFR 177.1680 (Polyurethane Resins) and may be used for repeated-use food contact only with dry foods having no free surface fats or oils. As with any product, use of Baytec MS-052 prepolymer in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.
General Information
Agency Ratings
  • FDA 21 CFR 177.1680
Forms
  • Liquid
HardnessNominal ValueTest Method
Durometer Hardness (Shore A)93ASTM D2240
MechanicalNominal ValueUnitTest Method
Taber Abrasion Resistance (1000 Cycles, 1000 g, H-18 Wheel)34.0mgASTM D4066
Compression Deflection ASTM D575
    10% 2.90MPaASTM D575
    15% 3.96MPaASTM D575
    2% 0.483MPaASTM D575
    20% 5.03MPaASTM D575
    25% 6.21MPaASTM D575
    5% 1.58MPaASTM D575
    50% 18.4MPaASTM D575
ElastomersNominal ValueUnitTest Method
Tensile Stress ASTM D412
    100% strain 8.34MPaASTM D412
    200% strain 10.6MPaASTM D412
    300% strain 12.5MPaASTM D412
Tensile Strength (Break)26.3MPaASTM D412
Tensile Elongation (Break)650%ASTM D412
Tear Strength
    -- 1110kN/mASTM D624
    Cracking 65kN/mASTM D1938
Compression Set (70°C, 22 hr)30%ASTM D395
Bayshore Resilience 54%ASTM D2632
Additional Information
Appearance: Straw yellow liquidNCO: 5.10 to 5.50 wt%Flash Point, PMCC: >93°CSpecific Gravity at 80°C: 1.12Specific Gravity at 100°C: 1.11Viscosity at 80°C: 3270 mPa-sViscosity at 100°C: 1660 mPa-sNCO/OH Ratio: 1.15Stoichiometry: 90% TheoryPrepolymer Temperature: 95 to 110°CExtender Temperature: 100 to 110°CMold Temperature: 100 to 110°CPot Life: 10 to 15 minDemold: 60 min
Note Message
1 .C mould
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