Grading Rules

  Moisture proof medium density board, moisture-proof standard of medium density board, green moisture-proof board, moisture-proof classification standard (according to the national standard classification method of MDF) Medium density fiberboard is made of wood fiber and other fibers, which is prepared by fiber, and then added with synthetic glue to …

Wood based panel plywood national standard, industry standard, local standard (DB), enterprise standard (Q /). The standardization law of the people’s Republic of China divides Chinese standards into four levels: national standards, industrial standards, local standards (DB) and enterprise standards (Q /). The enterprise standard of wood-based panel and plywood …

Implementation and similarities and differences of wood based panel and plywood industry standards Wood based panel plywood standard refers to the unified technical requirements in plywood and other fields. Standards include national standards, industry standards, local standards, group standards and enterprise standards. So, what is the difference between these standards? …

In the plywood industry for nearly 20 years, we have seen too many plywood quality standards, because the differences between these standards cause friction and contradiction between the supply chain and the procurement chain. Wood based panel industry standards, national standards, local standards, import customer standards, organization association standards, export …

TECHNICAL SPECIFICATIONS Dimension, mm +6mm,-0 mm² a) Length +3mm,-0 mm² b) Width +8% c) Thickness = Squareness 0.2% Edge straightness 0.2 % Workmanship and Finish Confirm Moisture Content,  IS 1734 (P-1) 5-15% Glue adhesion strength in dry state IS 1734 (P-4) i) Glue shear strength, N a) Average 1350 N …

Technical Properties of Shuttering Ply PROPERTIES SAL FLOOR BOARD Density IS: 4990 : 1993 0.96 gm/cc Tensile strength Along the grain 85 N/mm2 Across the grain 49 N/mm2 Cross Breaking Strength Along the grain IS: 4990 : 1993 102 N/mm2 Across the grain 67 N/mm2 Glue Shear strength IS: 1734 …

FILM FACED SHUTTERING PLYWOOD    Technical Specifications TEST REQUIRED VALUES OBSERVED VALUES Moisture Contents 5%-15% 8% Glue Shear Strength (Dry State) Adhesion to Piles Minimum Ind.1100 N Minimum Avg.1350 N Minimum pass standard 1350 N 1550 N Excellent Glue Shear Strength (after 72 hrs boiling) Adhesion to Piles Minimum Ind.1100 …

Liability for flawed plywood   The cracked and unusable plastic film is flawed plywood. Because the flawed plywood generally does not endanger personal and property safety, it will not generate tort liability, and most of them are liability for breach of contract. According to the relativity of contract, at this …

March 27, 2019   https://www.sgs.com/en/news/2019/03/safeguards-04019-germany-announces-new-test-standard-for-formaldehyde-emission Germany has announced DIN EN 16516 as the new reference method for formaldehyde emission from wood-based materials. This standard will become effective on January 1, 2020. Appendix 1 to the German Chemicals Prohibition Ordinance (Chemikalien-Verbotsverordnung, ChemVerbotsV) restricts, among other things, formaldehyde emission from coated and uncoated wood-based …

APA Rated Sheathing Span Ratings appear as two numbers separated by a slash, such as 32/16, 48/24, etc.(2) The left-hand number denotes the maximum recommended spacing of supports when the panel is used for roof sheathing with the long dimension or strength axis of the panel across three or more …