Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for testing flexual property of warming plate made from extruded plastic foam of polystyrene

A technology of extruded polystyrene and foamed plastics, which is applied in the direction of applying stable bending force to test the strength of materials, can solve the problems of inability to detect XPS insulation boards, etc., and achieve easy wall flatness, good quality assurance, and construction costs. reduced effect

Active Publication Date: 2008-05-14
CHINA CONSTR EIGHT ENG DIV CORP LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The applicant designed a whole set of building insulation system in the building, which uses extruded polystyrene foam (XPS for short) for heat insulation to make insulation boards and templates, because the building insulation system has higher requirements for insulation templates , especially the performance of bending strength directly affects various indicators such as building quality, so the selection of insulation boards is very important. The existing board test methods cannot detect XPS insulation boards, so that the application of XPS insulation boards in buildings is limited. some kind of restriction

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for testing flexual property of warming plate made from extruded plastic foam of polystyrene

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0009] The test method of the present invention adopts a hydraulic universal testing machine or a bending testing machine with a loaded pressure head and a support, the minimum indication value is 10N, and the precision is 1%. In order to avoid excessive indentation of the sample, the top surface of the loading indenter and the support should be a cylindrical surface, the diameter of the arc is 30±1mm, and the length of the cylinder should be at least not less than the width of the sample. The span is 600±10mm, and the loading pressure head is located in the center of the sample. The vernier caliper used has a minimum indication value of 0.01mm, a ruler of 100cm and a ruler of 30cm each, and a minimum indication value of 1mm. The sample is a cuboid with a length of 700±10mm, a width of 150±1mm, and a thickness of 40-60mm±1mm. The cell structure of the sample should not be deformed during sample preparation. The sample needs to have skin on both sides. When cutting the sample...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses the curving performance testing method of extruding polystyrene foam plastic heat preservation board. Test the sample under 10-30 Deg. C and the humidity of 45-80%. Adopt the hydraulic tester and curving tester with charging head or bracket with the minimum value of 10N and precision of 1%. Set two bases with span of 600 minus or plus 100mm. The samples are on the two bases and the charging head is between the samples, and the height of the samples is accord with the charging direction. The charging head contacts the sample with its minimum stress and records the position as the misshaping zero point. The charging head add the charge on the samples at 10 minus or plus 2mm / min speed until the breaking off the samples; test the broken charger, the curving stress, the damaging situation of the sample surface, the testing results and the average.

Description

technical field [0001] The invention relates to a test method for building products, in particular to a test method for the bending performance of an extruded polystyrene foam insulation board. Background technique [0002] The applicant designed a whole set of building insulation system in the building, which uses extruded polystyrene foam (XPS for short) for heat insulation to make insulation boards and templates, because the building insulation system has higher requirements for insulation templates , especially the performance of bending strength directly affects various indicators such as building quality, so the selection of insulation boards is very important. The existing board test methods cannot detect XPS insulation boards, so that the application of XPS insulation boards in buildings is limited. some kind of restriction. Contents of the invention [0003] The purpose of this invention is to provide a kind of extruded polystyrene foam insulation board bending p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/20
Inventor 肖绪文谢刚奎王桂玲周洪涛万成梅
Owner CHINA CONSTR EIGHT ENG DIV CORP LTD