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90g Butter Paper Industry Standard for Engineering Copying and Blueprint
90g Butter Paper Industry Standard for Engineering Copying and Blueprint
Specifications
Delivery Time :
10-45 Days
Certification :
FSC,EUDR
Packaging Details :
Kraft paper or carton, as per customer’s request
Price :
Negotiable
Supply Ability :
1000 Tons
Place of Origin :
China
Description

90 g/m² butter paper is the classic standard specified in GB/T 1468‑2011 for engineering drawing reproduction. With transparency ≥66%, tearing resistance ≥240 mN, and smoothness 13s, it offers the best combination for manual tracing, diazo blueprinting, and long‑term archival storage. Its dimensional stability (MD stretch 4.5%) ensures accurate scale reproduction.

Technical Specifications (GB/T 1468-2011)
Parameter Unit Value
Basis Weight g/m² 90 (±5%)
Transparency % ≥66
Tearing Resistance mN ≥240
Smoothness (Bekk) s ≥13
Machine Direction Stretch % 4.5
Cross Direction Stretch % 15.0
Sizing Degree mm ≥1.5
Moisture Content % 7.0±1.0
Process Introduction

90g paper uses the same acid‑free high‑viscosity beating (≥90°SR) but with optimized fiber blend (75% softwood, 25% hardwood). The stock is formed at 0.6‑1.0% consistency, then pressed and dried at low temperature. Semi‑dry calendering at 100 kN/m linear pressure compacts the sheet. Surface sizing with formaldehyde‑free biological glue ensures water resistance. Final moisture balanced at 6‑8% to prevent curl.

Applications & Advantages by Category
  • Engineering Drawing Reproduction – The go‑to weight for manual tracing and master drawing creation.
  • Diazo Blueprint Making – Ideal base paper for ammonia‑based blueprint machines; light‑fast and stable.
  • Architectural Archiving – Long‑term storage without yellowing or brittleness.
  • CAD Plotting – Compatible with wide‑format inkjet plotters; high tear resistance.
Why Choose This Paper

90g is the industry benchmark – proven reliability for professional engineering and architectural workflows.

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90g Butter Paper Industry Standard for Engineering Copying and Blueprint

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Product Detail
Delivery Time :
10-45 Days
Certification :
FSC,EUDR
Packaging Details :
Kraft paper or carton, as per customer’s request
Price :
Negotiable
Supply Ability :
1000 Tons
Place of Origin :
China
Contact Supplier
90g Butter Paper Industry Standard for Engineering Copying and Blueprint

Dongguan Jifeng Paper Products Co., Ltd

Verified Supplier
1 Years
guangdong, dongguan
Main Products :
Butcher Paper, Copy Paper, Single Light White Cowhide
Certification Level :
Verified Supplier
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