LOCTITE PC7350

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

LOCTITE PC7350

Main features

  • Equal-Volume Urethane Mixing
  • 2-Hour Cure at 25 deg C
  • 275% Cured Elongation

Product Description

LOCTITE PC 7350 is a 100% solids two-component polyurethane repair compound for conveyor belts and other rubber parts. The system mixes at 1:1 by volume and cures at room temperature. At 25 deg C, gel time is 7 minutes and cure time is 2 hours. The cured black material has Shore A 87 hardness, 11 N/mm^2 tensile strength, 275% elongation, and 53 N/mm tear strength. Its self-leveling consistency supports rebuilding and repair of liners, screens, chutes, hoppers, feeder bowls, and related rubber wear components.

Key features

  • Equal-Volume Urethane Mixing: Resin and hardener mix at 1:1 by volume for cartridge or bulk preparation.
  • 2-Hour Cure at 25 deg C: Cure time is 2 hours at 25 deg C, with a 7-minute gel time at the same temperature.
  • 275% Cured Elongation: Cured material reaches 275% elongation by ISO 37, with 53 N/mm tear strength by ISO 34-1.

Applications

Repair and rebuilding of conveyor belts, screens, chutes, liners, hoppers, feeder bowls, and other rubber components.

Product Family

LOCTITE PC7350

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Black
Chemistry Type
Polyurethaneresin andIsocyanate
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.14/1.05
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
10,000 to30,000/3,000 to8,000 mPa.s
Mechanical Properties
Elongation
Elongation is the process of lengthening something. It is a percentage that measures the initial, unstressed, length compared to the length of the material right before it breaks. It is commonly referred to as Ultimate Elongation or Tensile Elongation at break.
275 %

Additional Information

Technical properties

As supplied

PropertyValueUnitMethod / condition
Part A specific gravity1.14g/cm^3As supplied
Part A viscosity10,000 to 30,000mPa sBrookfield RV, spindle 6, 20 rpm, 25 deg C
Part B specific gravity1.05g/cm^3As supplied
Part B viscosity3,000 to 8,000mPa sBrookfield RVDV, spindle 4, 20 rpm, 25 deg C
Mix ratio by volume1:1Resin:hardener
Mix ratio by weight93:100Resin:hardener
Technical properties

Cured material

PropertyValueUnitMethod / condition
Shore hardness87Shore AASTM D2240, cured at 25 deg C
Tensile strength11N/mm^2ISO 37, cured at 25 deg C
Elongation275%ISO 37, cured at 25 deg C
Tear strength53N/mmISO 34-1, cured at 25 deg C

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