GB/T 34717-2017 in English
VALIDExtruded particleboard
- Issued on:2017-11-01
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
| Standard No: | GB/T 34717-2017 |
| Document status: | VALID |
| Title in English: | Extruded particleboard |
| Title in Chinese: | 挤压刨花板 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-11-01 |
| Implemented on: | 2018-05-01 |
| ICS Classification: | 79.060.20-Fibre and particle boards |
| Chinese Classification: | B70-Artificial board |
| Professional Classification: | GB-National Standard |
| Related Keywords: | extruded particleboard
non-load-bearing extruded particleboard particleboard introduction extrusion direction/mpa extruded particleboard |
| Related Topics: | Flower board
particle board Particleboard Moisture Meter Particleboard Moisture Meter GBT34717 GB/T 34717-2017 flat extrusion Flat extrusion test extrusion Particle board execution Clean production of particleboard Particle Board Extract Pharaoh Density of particle board squeeze pump |
《GB/T 34717-2017挤压刨花板》由TC198（全国人造板标准化技术委员会）归口，主管部门为国家林业和草原局。
Introduction
1. Background and purpose of the standard
GB/T 34717—2017 "Extruded Particleboard" was proposed by the State Forestry Administration to regulate the production, inspection and application of extruded particleboard. This standard applies to non-load-bearing extruded particleboard under dry conditions to ensure that product quality meets environmental protection and performance requirements.
2. Comparison of standard frameworks
| Standard Dimensions | GB/T 34717—2017 | Comparative Analysis |
|---|---|---|
| Term Definition | Clarify the terms "extruded particleboard" and "dry conditions". | It is consistent with GB/T 18259-2009 and LY/T 1717-2007. |
| Classification method | It is divided into solid and hollow according to the structure; it is divided into longitudinal and transverse according to the extrusion direction. | The dimension of "classification by structure" is added to fill the gap in the industry. |
| Specification limit | Physical properties are double-sided limits, mechanical properties are single-sided lower limits; formaldehyde emission is the upper specification limit. | The quantile statistical method is used, which is more scientific. |
3. Interpretation of core requirements
3.1 Specifications and deviation control
Common formats are:
- Longitudinal extruded particleboard: width 1250mm, length 2000mm.
- Horizontal extruded particleboard: width 1180mm, 915mm, length 2090mm or 2135mm.
Dimensional deviation requirements:
| Board type | Item | Allowance deviation |
|---|---|---|
| Longitudinal extruded particleboard | Length | 0,+10 |
| Width | -5,+1 |
3.2 Physical and chemical performance indicators
Physical and mechanical performance requirements:
| Serial number | Performance | Requirements |
|---|---|---|
| 1 | Moisture content | 5~13% |
| 2 | Density deviation within the board | ±15% |
Mechanical properties requirements:
| Board type | Nominal thickness t/mm | Static bending strength/MPa | Bond strength in extrusion direction/MPa |
|---|---|---|---|
| Extruded solid particleboard | t≤30 | ≥2.5 | ≥0.17 |
4. Implementation Suggestions
4.1 Suggestions for the production process
- Screen and dry the raw materials in strict accordance with the standards.
- Use advanced testing equipment (such as micrometer, vernier caliper) to control dimensional deviation.
4.2 Application field recommendations
Applicable to furniture, construction and other fields, especially recommended for scenes with high environmental protection requirements.
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