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PARTICLE BOARD MANUFACTURING PRODUCTION PROCESS ,INSPECTORS AND CHECKLIST ,SOURCING FACTORY AUDITING

1 RAW MATERIALWe use material from rubber wood only, making our board homogeneous, high quality and environmental, friendly. 2 CHIPPING AND FLAKINGRubber wood were chipped before reduce to desired fine flakes. The control of flake sizes is the heart of optimum strength and smooth surface. 3 DRYING AND SCREENINGThe wet falke are dried to the controlled moisture level after dried, …

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Particle Board Technical Specification,inspection checklist ,inspectors,sourcing agent

PropertyMethodRequirementThicknessEN324-1-0.3mm/+0.5mm (with MFC)Length and WidthEN324-1+/-0.5mmEdge Straightness ToleranceEN324-21.5mm per mSquareness ToleranceEN324-22mm per mMoisture ContentEN3225% to 13%Formaldehyde EmissionClass 2 (E2)EN1208mg/100g < x30mg/100gClass 1 (E1)EN1208mg/100gF (EO)MFN-15490.5mg/LF (Super EO)MFN-15490.3mg/L PropertyMethodUnit9, 12mm15, 16mm, 18mm25mm30mmP2P2P5P2P5*P2P5*Bending StrengthEN310N/mm213131611.5141012Internal BondEN319N/mm20.40.350.450.30.40.250.35Modulus of Elasticityin BendingEN310N/mm21800160024001500215013501900Surface SoundnessEN311N/mm20.80.8N/A0.8N/A0.8N/ASwelling in Thickness-24 Hour ImmersionEN317%N/AN/A10N/A10N/A10 TestTest MethodResultHeat ResistantLighted cigarette placed on the surface of test sampleSample placed is over and baked at 70°C for 24 hoursAluminium …

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Judgment criteria and key factors for hot-dip galvanizing ,chinese inspectors,inspection checklist

Judgment criteria and key factors for hot-dip galvanizing The judgment criteria and reasons for hot-dip galvanizing mainly include the following three points: 1、 Adhesion amount Corrosion resistance mainly depends on the thickness of the coating, and thickness measurement is usually based on the quality of galvanizing, composition of the galvanizing layer, organizational structure, and different reactions on the surface of …

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