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ORIGIN PRO COMPARE
Origin Pro HP3 vs. GE® 2000 Silicone Sealant
GE® 2000 One-Part Acetoxy-Cure Silicone Sealant
Compared with
GE® 2000 One-Part Acetoxy-Cure Silicone Sealant
Technical Overview
Origin Pro HP3: Neutral-cure alkoxy RTV silicone; ASTM C920 Class 50; ±50% movement.
GE® 2000: One-part acetoxy-cure silicone; ASTM C920 classification and movement capability are not stated in the April 2024 TDS.
Comparison Table
| Attribute | Origin Pro HP3 | GE® 2000 One-Part Acetoxy-Cure Silicone Sealant |
|---|---|---|
| Sealant Technology | Neutral-cure alkoxy RTV silicone | One-part acetoxy-cure silicone |
| ASTM C920 Classification | Class 50 | Not stated in TDS |
| Movement Capability | ±50% | Not stated in TDS |
| Water/Rain Ready | Approximately 30 minutes | Not stated in TDS |
| Tack-Free Time | Approximately 30 minutes | 10 minutes at 23°C |
| Published Cure Time | Approximately 24 hours | 2 days at 5 mm thickness, 23°C and 50% RH |
| Application Temperature | 40°F to 100°F | Not stated in TDS |
| Published Applications | Windows, doors, siding, trim, kitchen and bath, and general sealing | General-purpose sealing and caulking |
| Published Colors | Clear and white; custom colors available | Black, clear and white |
| Cartridge | 10.1 fl oz (298 mL) | 260 mL |
Published manufacturer specifications are shown as stated in the applicable technical data sheets.
Comparative Overview
Origin Pro HP3 and GE® 2000 are one-part silicone sealants intended for sealing and caulking applications, but they use different cure chemistries. HP3 is a neutral-cure alkoxy silicone with published ASTM C920 Class 50 and ±50% movement performance. GE® 2000 is an acetoxy-cure silicone; its April 2024 TDS does not state an ASTM C920 classification or joint-movement rating.
Differences You Will Notice
Origin Pro HP3 publishes Class 50 movement performance, approximately 30-minute water/rain readiness and approximately 24-hour full cure. GE® 2000 publishes a faster 10-minute tack-free time and a two-day cure time at 5 mm thickness under stated laboratory conditions. GE® 2000 is available in three published colors, while HP3 is offered in clear and white with custom colors available.
Beyond the Product
Origin Pro’s Pro Dashboard makes buying simpler, faster and more organized. See pricing before you order, find and save color matches, track projects and past orders, and quickly reorder—all in one place.
Product Comparison Information
These comparisons are intended to help contractors evaluate differences in product features and manufacturer-published specifications when considering products for a particular application. Unless expressly stated, Legacy Sealants, Inc. has not conducted head-to-head testing of the referenced products. Information is drawn from manufacturer technical literature identified on the page and was available as of the date shown. Because test methods and conditions may differ by manufacturer, published values should not be treated as directly equivalent unless specifically noted.
Product names, trademarks, packaging and images are the property of their respective owners and are used solely to identify the products being compared. Legacy Sealants, Inc. is not affiliated with, sponsored by or endorsed by any referenced manufacturer.
Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.
Trademark Ownership
GE® is a registered trademark of General Electric Company and is used under license by Momentive Performance Materials Inc., an indirect wholly owned subsidiary of KCC Corporation.
Technical Literature
Origin Pro HP3 100% Silicone Sealant Technical Data Sheet, version dated August 11, 2026. GE 2000 One Part Acetoxy Cure Silicone Sealant Technical Data Sheet, CDS Data GE2000-EN, dated April 2024, Momentive Performance Materials Inc.