Melochem 751

Category: Mel Formald , Melamine Formaldehyde
Manufacturer: Chemiplastica, Inc.
Trademark: Melochem
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: uYPOgP_Melochem-751.pdf
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The Melochem 751 Dry Granulated Moulding Compound are based on melamine-formaldehyde resins fortified with high-class cellulose as reinforcement and further modified with minor amounts of special purpose additives, pigments, cure regulators and lubricants.

Melochem 751 grade is a general-purpose compression grade.

The Melochem 751 Moulding Compounds can be supplied in most colours from translucent pastels to black.

Moulded parts are free from odour, light stable and have good moisture resistance.

Hard and Glossy surface with excellent scratch and chemical resistance. Fats, oils and common organic solvents like alcohol and acetone do not attack the materials and they are also resistant to surfactants and weak bases. They will also withstand attack from weak acids fro a shorter duration.

Oxygen index is 40% and is achieved without the use of external flame-retardants. No halogens are present in the composition.

The products comply with the requirements of the widely used material specifications :
DIN 7708 type 152 and 152.7 (*)
ISO 2112 type MF B10 and B11 (*)
UL certified
(*) included in ISO 14528

Fields of application: Unique porcelain-like properties, unmatched by any other plastic material, makes Melochem 751 Moulding Compound particularly suitable for a number of household and foodservice applications including dinnerware, ramekins, ashtrays, jugs, ladles, bowls and
similar objects.

Melochem 751 is also used in the manufacture of retail, commercial and military grade buttons.

Though not specifically developed for electrical applications this product can nevertheless be used for applications requiring superior electrical properties such as arcing, tracking and flame resistance.

These products have a high-class feel and can be manufactured by using efficient plastic moulding technology.

By pressing a foil onto the surface, unlimited range of decorative patterns can be achieved.

The moulded items exhibit low water absorption properties and are therefore are dishwasher safe.
General Information
Filler / Reinforcement
  • Cellulose
Additive
  • Lubricant
  • Unspecified Additive
Features
  • Alcohol Resistant
  • Base Resistant
  • General Purpose
  • Good Chemical Resistance
  • Halogen Free
  • High Gloss
  • High Hardness
  • Light Stabilized
  • Low to No Odor
  • Low to No Water Absorption
  • Lubricated
  • Moisture Resistant
  • Oil Resistant
  • Recyclable Material
  • Renewable Resource Content
  • Scratch Resistant
  • Solvent Resistant
Uses
  • Electrical/Electronic Applications
  • Food Service Applications
  • Household Goods
  • Military Applications
  • Table Products
Agency Ratings
  • ASTM D 704, I
Appearance
  • Colors Available
Forms
  • Granules
Processing Method
  • Compression Molding
PhysicalNominal ValueUnitTest Method
Density 1.50g/cm³ISO 1183
Molding Shrinkage ISO 2577
    -- 11.2 to 1.5%
    -- 0.70 to 0.90%
Water Absorption < 300.0mgISO 62
Additional InformationNominal ValueUnitTest Method
Emission ISO 4614
    Acetic Acid < 3.00mg/l
    Ethanol < 3.00mg/l
    Water < 3.00mg/l
MechanicalNominal ValueUnitTest Method
Tensile Stress (Yield)> 45.0MPaISO 527-2
Flexural Stress > 80.0MPaISO 178
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength > 1.1kJ/m²ISO 179/1eA
Charpy Unnotched Impact Strength > 5.0kJ/m²ISO 179/1eU
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature (8.0 MPa, Unannealed)> 110°CISO 75-2/C
ElectricalNominal ValueUnitTest Method
Surface Resistivity > 1.0E+11ohmsIEC 60093
Dielectric Constant 5.00DIN 53483
Dissipation Factor (1 kHz)< 0.10IEC 60250
Comparative Tracking Index > 600VIEC 60112
FlammabilityNominal ValueUnitTest Method
Flame Rating V-0UL 94
Glow Wire Flammability Index 2960°CIEC 707
Oxygen Index > 40%ASTM D2863
Note Message
1 .Post-shrink
2 .180 sec, < B H2-10
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