Conventional SMC materials testing projects and to buy test instrument - meter box manufacturer required
For guangdong power grid under the meter box equipment procurement tender requirements
Nonmetallic material list box (SMC)
1, unsaturated polyester glass fiber length: 25 mm or higher
2, density: 1.75 to 1.95 g/cm3
3, water imbibition: 0.2% or less
4, high temperature resistant performance: the table in the high temperature 125 ℃, saved five hours, the body can not have the phenomenon such as softening, deformation.
5, the bending strength: 150 mpa or higher
6, the tensile strength: 55 Mpa or greater
7, thermal deformation temperature: 200 ℃ or higher
8, flame retardant grade: V - 1
9, dielectric strength: 12 kv/mm or more
Simply supported beam with 10, impact strength, impact strength should be 70 kj/m2 or.
11, insulation resistance: under normal temperature normal, table boxes of insulation resistance should be acuity 1.0 x 1013 Ω. In 24 hours later, the flooding of the insulation resistance meter box should be acuity 1.0 x 1012 Ω.
12, electrical resistance: table box arc resistance time should be 180 or higher s
13, table boxes of electric resistance index PTI 600 or higher.
SMC materials general testing equipment:
KP8137A supported beam impact testing machine is used for detection of SMC material sample resistance to impact strength
KP8006 thermal deformation, vicat softening point temperature tester used for detection of SMC material thermal deformation temperature of the sample
KP8010 plastic and plastic parts \ vertical burning test machine used for detection of SMC material sample of the flame retardant grade
KP8029 tracking testing machine used for detection of SMC material samples of PTI electric resistance index
KP8028A arc resistance tester used for detection of SMC material sample of electrical resistance
KP8009 solid insulation electrical dielectric strength tester used for detection of SMC material sample of dielectric strength