Brochure | Contact Us | How to Order | Client Referrals   
Home About Us Products Quality Assurance Certifications
        
 
  
Quality Assurance
  
Overview
 
Quality Standards
  
Inspection Procedures
 
Lab Testing
 
Production Procedures
 
  
  
  
Brochure
  
PDF download

You need Adobe Acrobat Reader to view this PDF file.
 
 
Home > Quality Assurance > Lab Testing
  
  
 
 

SCREW HOLDING STRENGTH - GB/T17657-1999-4.10 & GB/T 4897.3-2003 (particle board)

1. TOOLS
1.1 Wood panels universal test machine accurate to 10 N

2. SAMPLING
We cut three 400x400 mm mother samples from 1 sheet

We then cut two 150x50 mm (+/-1 mm) final samples from each 400x400 mm mother sample and obrain six final samples for testing

Samples shall be free from resin wood and features such as bark, knots and resin pockets

3. ENVIRONMENTAL CONDITIONS
Temperature: 20 (+/- 2) ℃
Humidity: 65 (+/-5) %

4. TESTING PROCEDURE

4.1 Fix the screws onto the samples

4.2 Place the samples on the universal test machine

5. ASSESSING TEST RESULTS
Passing requirement per the sales contract

 
 
  
  Copyright © 2012 China Link. All rights reserved.