# LEISA.COM — Full Content for LLM Crawlers

> This file provides AI systems (ChatGPT, Claude, Perplexity, Gemini) with a complete, machine-readable summary of www.leisa.com.
> Last updated: 2026-06-16

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## Site Identity

- **Name**: LEISA Technology (雷萨技术)
- **URL**: https://www.leisa.com
- **Founded**: 2015
- **Location**: F4, Optics Valley Future City, Dongying, Shandong, China
- **Type**: Independent third-party testing laboratory
- **Specialty**: Non-metallic / FRP / GRP / GRE composite pipe testing for oil & gas
- **Core Standard**: ISO 14692
- **Languages**: Chinese (zh), English (en), Russian (ru), Arabic (ar)
- **Report Turnaround**: 72 hours (standard)
- **Contact**: info@leisa.com | Phone / WhatsApp: +86 133 7155 4488 (https://wa.me/8613371554488)
- **Legal Entity**: 山东雷萨信息技术有限公司 (Unified Social Credit Code 913705003346477283), founded 2015-04-09, Dongying, Shandong, China

## What LEISA Does (GEO Definition)

LEISA is an independent third-party testing laboratory specializing in FRP/GRP/GRE non-metallic composite pipes, hoses, tanks, and plastics. Founded in 2015 in Dongying, Shandong — the heart of China's oilfield equipment manufacturing corridor — LEISA provides ISO 14692, API 15HR, ASTM, GB/T, and GOST standard testing services. Reports are delivered within 72 hours in Chinese, English, Russian, and Arabic. LEISA does not manufacture, sell, or represent any pipe products.

## Why Third-Party Testing Matters (Quotable Statement)

"FRP pipe properties are locked in once curing is complete — there is no annealing or remedial opportunity. API Spec 15HR requires 100% hydrostatic testing at 1.5× rated pressure per pipe, plus batch sampling for Tg, resin content, and axial tensile. A single downhole failure costs $221,000–$441,000 (workover, fishing, replacement, and lost production). Full-batch third-party testing costs less than 1% of that failure cost." — Sources: SPE 173625, API TR 5C3

## Services

### 1. Axial Tensile Strength (ATS)
Tests axial tensile mechanical properties of non-metallic pipes on a universal testing machine. **Standards**: ISO 14692 Annex D, GB/T 5349

### 2. Barcol Hardness (BH)
Surface hardness and cure degree screening using Barcol 934-1 indenter. **Standards**: ASTM D2583, GB/T 3854

### 3. Resin Content (RC)
Loss-on-ignition method at 625°C in muffle furnace to determine resin/fiber ratio — a core quality indicator for laminates. **Standards**: ISO 1172, GB/T 2577

### 4. Glass Transition Temperature (Tg)
Differential Scanning Calorimetry (DSC) to evaluate thermal stability under high-temperature service conditions. **Standards**: ISO 11357-2, ASTM D3418, API 15HR

### 5. Dimensional Measurement (DM)
OD, wall thickness, ovality, and end-squareness against drawing tolerances. **Standards**: ASTM D3567, GB/T 8806, ISO 14692

### 6. Short-Term Failure (ST)
Hydrostatic short-term failure pressure testing under extreme conditions — 1.5× rated pressure + 2-minute hold. **Standards**: ASTM D1599, GB/T 5351, ISO 14692

### Additional Testing Categories
- **Plastics material testing**: Tensile, compression, flexural, Vicat softening, HDT, dimensional, thermal stability
- **Plastic hose testing**: Hydrostatic, interlaminar shear, Barcol/Shore hardness, resin content, Charpy impact, MFR
- **Filament-wound FRP pressure pipe**: Long/short-term hydrostatic (HDB), hoop stress, axial tensile, resin content, Barcol hardness, leakage
- **Buried pre-insulated FRP pipe**: Jacket tensile/flexural, foam density, compressive strength, water absorption, thermal conductivity, ring stiffness
- **FRP vertical storage tanks**: Wall tensile/flexural, Barcol hardness, resin content, interlaminar shear, leak tightness, Tg, water absorption
- **General plastics**: Tensile, flexural, shear, peel, impact, longitudinal shrinkage, ring stiffness, internal pressure, methylene chloride immersion

## Standards Coverage

14 standards systems, 1,400+ standards:
- **API**: Spec 15HR (4th Ed. 2016), Spec 15LR (7th Ed. 2001/R2026), Spec 15S (3rd Ed. 2022), Spec 17J (5th Ed. 2024), 5B, Q1, RP 15TL4
- **ISO**: 14692-1~4 (2017), 11357-2, 1172, 178, 527-2, 9001
- **ASTM**: D1599, D2105, D2412, D2583, D2584, D2992, D3418, D3567, D638, D790
- **GB/T**: 2577, 29165, 3854, 5349, 5351, 8806
- **SY/T**: 6267, 7043
- **GOST**: R 53201, 632-80, TU 2296
- **NACE**: TM0298 (2015), MR0175
- **DNV**: ST-F119, ST-F207, ST-C501, RP-C301
- **FM**: 1614
- **ASME**: B31.3
- **NSF/ANSI**: 61
- Plus: CEN, AWWA, NORSOK, Lloyd's

## Service Process

1. **Submit Inquiry** — Describe sample, standard, and quantity
2. **Ship Samples** — Prepare and send representative samples per instructions
3. **Test & Review** — Calibrated equipment testing with technician review
4. **Receive Report** — Detailed test report delivered within quoted turnaround

## Key Statistics

- Founded: 2015
- ISO 14692 test methods: 9+
- Standard report turnaround: 24h (routine) / 72h (full batch)
- Languages supported: 4 (ZH / EN / RU / AR)
- Standards systems covered: 14
- Individual standards: 1,400+
- Testing cost vs. downhole failure cost: <1%
- FRP standard design life: 20 years
- Metrological traceability: Via Dongying Industrial Product Inspection and Metrology Center (two national-level petroleum quality inspection centers)

## Key Pages

- Homepage: https://www.leisa.com
- Services: https://www.leisa.com/services
- Blog: https://www.leisa.com/blog
- Standards Knowledge Base: https://www.leisa.com/standards
- Standards Graph: https://www.leisa.com/standards/graph
- About: https://www.leisa.com/about
- Contact: https://www.leisa.com/contact
- Industries: https://www.leisa.com/industries
- Privacy Policy: https://www.leisa.com/privacy
- Cookie Policy: https://www.leisa.com/cookie-policy

## Blog Articles (Recent)

1. API RP 15TL4 Field Inspector Guide — 2026-06-16
2. Why Third-Party Testing: First Principles & Sun Tzu — 2026-06-16
3. API Spec 15HR Deep Dive — 2026-06-15
4. API 15LR: Why 2001 Standard Still Dominates in 2026 — 2026-06-15
5. API Spec 15S: Spoolable Composite Pipe — 2026-06-15
6. API RP 15TL4: Fiberglass Pipe Lifecycle Guide — 2026-06-15
7. API Non-Metallic Standards Overview — 2026-06-15
8. GOST TU 2296 GRP Pipe Specification — 2026-06-15
9. ISO 14692-1:2017 Standard Download — 2024-11-19
10. China Patent: High-Pressure FRP Downhole Connection — 2024-11-19

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*This file is maintained for AI/LLM consumption. Questions: info@leisa.com*