GB/T 10799-1989
Replaced
GB/T 12811-2025
Active
National standards
GB/T 12811-2025 Test method for average cell size of rigid cellular plastics
GB/T 12811-2025 Test method for average cell size of rigid cellular plastics
Basic Information
Standard Code:
GB/T 12811-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Synthetic resins and plastics
ICS Name:
Foam material
Publish Date:
2025-10-31
Implement Date:
2026-05-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国塑料制品标准化技术委员会(SAC/TC 48)
Pages:
12 pages
Scope
本文件描述了通过计算所需长度内的泡孔壁交叉点的数量来确定硬质泡沫塑料平均泡孔尺寸的三种试验方法：方法A(投影仪法)、方法B(光学显微镜法)和方法C(扫描电镜法)。
本文件适用于硬质泡沫塑料平均泡孔尺寸的测定。其他种类泡沫塑料平均泡孔尺寸的测定参照执行。
Development Information
Drafting Units:
北京工商大学、江苏江化聚氨酯产品质量检测有限公司、轻工业塑料加工应用研究所、万华化学(宁波)容威聚氨酯有限公司
Drafting Persons:
李田华、罗琛、王蕾、叶俊、韩雪容
Replace the following standards
Referenced Standards
Related Standards
GB/T 10802-1989
Replaced
GB/T 10802-1989 Cellular plastics—Flexible polyurethane foam
GB/T 10807-1989
Replaced
GB/T 10807-1989 Polymeric materials, cellular flexible—Determination of hardness (indentation technique)
GB/T 10808-1989
Replaced
GB/T 10808-1989 Cellular plastics—Tear resistance test for flexible materials
GB/T 12811-1991
Replaced
GB/T 12811-1991 Test method for average cell size of rigid cellular plastics
GB/T 12812-1991
Replaced