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List of accessories related to external wall insulation material testing machine (national standard)
1. JC/T992-2006 Adhesive for Expanded Polystyrene Board for Wall Insulation
Polystyrene board test panel or cement mortar test panel size: 70x70x20mm, 5 pieces
Attachment: stretching fixture 40x40x10mm connection M8x Φ 20 length ≥ 50mm 5 pieces
Sample molding frame: 5 pieces of metal plates with an outer shape of 70x70mm, inner holes of 40x40mm, and a thickness of 6mm
Stretching pad: 5 pieces of metal plate with an outer shape of 70x70mm and an inner hole of 43x43mm and a thickness of 3mm
Special stretching fixture: 1 set of U-shaped opening with a length of 92mm and a width of 75mm, and a diameter of 18x100mm connecting shaft
Stretching speed: 5mm/min, stretch until failure, calculate the arithmetic mean of 5 samples
2. JGJ144-2004 Technical Specification for External Wall Insulation Engineering - Fixture Selection
A. 7 Tensile strength test method
EPS board samples: 5 pieces of 100x100x50mm
(Use adhesive to bond the upper and lower surfaces of the sample to a 100x100mm metal plate respectively)
Fixture: Metal test plate: 10 pieces of 100x100x5mm
Stretching speed: 5mm/min to record the breaking force and calculate the arithmetic mean of 5 samples based on the breaking location
Test method for tensile bonding strength of adhesives:
1. Sample size for bonding with cement mortar base plate: 80x 40x40mm; After curing with adhesive 40x40x3mm in the middle, use appropriate adhesive to bond the mortar base plate in a cross lap manner
Fixture: Metal plate: 100x100x5mm 10 pieces
2. Sample size for bonding with EPS board: 5 pieces of 100x100x50mm
Fixture: Metal plate: 100x100x5mm 10 pieces
Explanation: A.7 and A.8 can share one set of metal plates
Test method for alkali resistant tensile fracture strength of fiberglass mesh
Sample: 20 pieces in width 50mm, length 300mm, radial and latitudinal directions respectively
Ripple stretching fixture: width 60mm, clamping height 50mm, 1 set/2 pieces
Stretching speed: 100mm/min Stretching to failure record tensile force
3. GB/T8813-88 Test Method for Compression of Rigid Cellular Plastics
Sample: 5 pieces of 100x100x50mm
Fixture: Metal pressure plate: 100x100mm or Φ 150mm 1 set/2 pieces
4. JG/158-2004 Rubber powder polystyrene particle external wall insulation system
Appendix F System Tensile Strength Test Method
Sample: 5 pieces of 100x100x70mm (use adhesive to bond the upper and lower surfaces of the sample to a 100x100mm metal plate)
Fixture: Metal plate: 100x100x5mm 10 pieces
Tensile speed: 5mm/min to record the tensile force and the location of the damage
Compressive strength softening coefficient
Sample: 100x100x100mm 5 compression tests Loading rate: 0.5-1.5kN Calculate 5 arithmetic mean values
Softening coefficient
Sample: 100x100x100mm 5 compression tests Loading rate: 0.5-1.5kN Calculate 5 arithmetic mean values
Tensile strength
According to JGJ144-2004 Technical Specification for External Wall Insulation Engineering A.7 Tensile Strength Test Method
Compression shear bonding strength
Sample: 10 cement mortar blocks of 110x110x10mm are coated with standard mortar paint in the middle of two cement mortar blocks, with the two blocks facing each other and staggered by 10mm,
Fixture: 1 set of 120x20 or Φ 150mm pressure head on 110mm mortar shear device
Test: Compression Test Speed: 5mm/min Load to failure Calculation of 5 arithmetic mean values
Tensile bonding strength and immersion tensile bonding strength of crack resistant mortar
According to JG/T 24-2000 synthetic resin lotion sand wall architectural coating
Crack resistant mortar compression ratio
According to GB/T17671-1999 Test Method for Strength of Cement Mortar (ISO Method)
Alkali resistant mesh fabric, fracture strength, alkali resistance, retention rate, elongation at break
Sample: 20 pieces in width 50mm, length 300mm, radial and latitudinal directions respectively
Ripple stretching fixture: width 60mm, clamping height 50mm, 1 set/2 pieces
Stretching speed: 100mm/min Stretching to failure record tensile force
Tensile strength, elongation at break
Dumbbell shaped Type I specimen 120x10x2, 6 pieces, untreated tensile test
According to 8.2.2 of the test method for building waterproof coatings in GB/T 16777-1997
Fixture: Ripple stretching fixture: Width 60mm, clamping height 50mm, 1 set/2 pieces
Experiment: Stretch the specimen at a speed of 200mm/min until it fractures, record the maximum load at the time of fracture, and measure the distance between the specimen markings (L1) at this time,
Accurate to 0.1mm, test 5 specimens. If any specimen breaks outside the marked line, the result is invalid and a spare part should be used for replacement.
5. JG/T 24-2000 synthetic resin lotion sand wall architectural coating
Adhesive strength, immersion tensile adhesive strength
10 pieces of cement mortar test blocks 70x70x20mm
Attachment: stretching fixture 40x40x10mm connection M8x Φ 20 length ≥ 50mm 5 pieces
Sample molding frame: 5 pieces of metal plates with an outer shape of 70x70mm, inner holes of 40x40mm, and a thickness of 6mm
Stretching pad: 5 pieces of metal plate with an outer shape of 70x70mm and an inner hole of 43x43mm and a thickness of 3mm
Special stretching fixture: 1 set of U-shaped opening with a length of 92mm and a width of 75mm, and a diameter of 18x100mm connecting shaft
Stretching speed: 5mm/min, stretch until 5 patterns are destroyed, calculate the arithmetic mean
6. JG149-2003 Expanded polystyrene board thin plastering external wall insulation system
Adhesive tensile bonding strength tensile speed: 5mm/min
Sample: 6 pieces of 40x40x3mm
Stretch with fixture 70x70x20mm, connect M8x Φ 20 6 pieces
Stretch pad: 6 pieces of metal plate with an outer shape of 70x70mm and inner holes of 40x40mm and a thickness of 6mm
Special stretching fixture: 1 set of U-shaped opening with a length of 92mm and a width of 75mm, and a diameter of 18x100mm connecting shaft
Stretching speed: 5mm/min until failure. Take 4 intermediate values and calculate the arithmetic mean
Tensile strength of expanded polystyrene board perpendicular to the board surface direction
Sample: 100x100x50mm 5 Fixtures: Metal Plate: 100x100x5mm 10 pieces
Stretching speed: 5mm/min, stretch until 5 patterns are destroyed, calculate the arithmetic mean
Pasting adhesive
Tensile bonding strength is the same as 6.3 adhesive tensile bonding strength
Compressive strength/flexural strength
According to GB/T17671-1999 Test Method for Strength of Cement Mortar
Pressure resistant fixture 40x40mm, customer provided
Anti bending fixture with three-point anti bending span of 0-300mm adjustable support and pressure head of Φ 10mm
Crack Strain Appendix E
Sample 600x100mm expanded polystyrene board with 6 radial and 6 latitudinal stretching speeds of 0.5mm/min
Fixture: 48 pieces of connecting plate (with 1 universal joint)
(Strain gauge length 150mm, accuracy level 0.1, customer provided)
Alkali resistant mesh fabric fracture strength and fracture strength retention rate fracture strain
According to GB/T7689.5-2001 "Test methods for woven fabrics of reinforced materials - Part 5: Determination of tensile strength and elongation at break of glass fibers - Type 1
Sample: Width 50mm, Length 350mm, 5 pieces
Ripple stretching fixture: width 60mm, clamping height 50mm, 1 set/2 pieces
Stretching speed: 100mm/min until 5 patterns are broken, calculate the arithmetic mean