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Apex Material Science · Direct Refinery Supply

From Raw to Remarkable.

Beyond open-market broker grades: Direct Tier-1 refinery supply for elemental Rubidium (Rb ≥99.995%) and Cesium (Cs ≥99.995%) with pre-contract factory audits, plus 2,500 kg of 99.9998% (5N8) Isotope Copper Powder ready for immediate inspection in our Hong Kong bonded warehouse.

ISOTOPE COPPER (HK) 2,500 kg Physical Stock
PURITY ≥99.995% 4N5 / 5N8
PACKAGING UN 4.3 Swagelok 316L
TERMS 50/50 T/T Pre-Ship SGS
RubidiumRb ≥99.995% CesiumCs ≥99.995% Isotope CopperCu ≥99.9998%
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EXCLUSIVE ALLOCATION · 3 STRATEGIC ELEMENTS

Strategic Materials

Ultra-high-purity alkali metals and non-radioactive isotope copper. Verified by ICP-MS assay and packed to UN Class 4.3 requirements.

ELEMENT 37 · GROUP 1 · PERIOD 5

Rubidium Metal Rb ≥99.995%

YS/T 1246-2018 CAS 7440-17-7 UN 1423 Class 4.3 PG I Tier-1 Direct Allocation
Rubidium Metal Crystal Ampoule 01 · Element Crystal (Rb 99.995%)
AUTHENTICATED ICP-MS SCAN (正本) Standard YS/T 1246-2018 · Lot Verification JC-ICP-03
COA PDF [PDF] Compliance Dossier [PDF]

Ultra-high purity elemental rubidium conforming to YS/T 1246-2018 standards. Engineered strictly for quantum optics, laser cooling, atomic frequency standards, and advanced defense research. Dispatched under pressurized 99.999% dry argon in 316L stainless steel chambers or vacuum-sealed borosilicate ampoules.

Purity Grade ≥99.995% (4N5)
Total Impurities <50 ppm Metallic Sum
Physical Constants m.p. 39.3°C · 1.53 g/cm³
Supply Formats 5kg SS Cylinder / 5g–100g Ampoule
MOQ & Dispatch 500g+ / Bulk (5–7 Days)
Commercial Settlement 50/50 T/T Pre-Ship SGS Inspection
STEP 01 · CONTAINMENT
316L Dual Swagelok

Heavy-gauge stainless steel cylinder with dual valves & optical quartz inspection window, or flame-sealed ampoules.

STEP 02 · ATMOSPHERE
Argon Overpressure

Pressurized with 99.999% dry argon (inert atmosphere, minimal oxygen/moisture ingress).

STEP 03 · ARMORING
UN Flight Case

Riveted heavy aluminum transit case with laser-cut shock-absorbent EVA foam conforming to UN 1423 Class 4.3 PG I.

Rb≥99.995%
Cs<10 ppm
K2.0 ppm
Na1.0 ppm
Mg<1.0 ppm
Pb<1.0 ppm
Al<1.0 ppm
Ca<1.0 ppm
Direct Refinery Allocation Pre-contract factory site visits hosted for institutional buyers · Quoted by formal FCO
Inquire about Rubidium
ELEMENT 55 · GROUP 1 · PERIOD 6

Cesium Metal Cs ≥99.995%

YS/T 1245-2018 CAS 7440-46-2 UN 1407 Class 4.3 PG I Golden Crystalline Phase
Cesium Metal Quartz Viewport 01 · Golden Crystal View-Port
AUTHENTICATED ICP-MS SCAN (正本) Standard YS/T 1245-2018 · Lot CS-4N5 Active
COA PDF [PDF] Compliance Dossier [PDF]

Elemental cesium metal conforming to YS/T 1245-2018. Renowned for its low melting point (28.5°C) and supreme electropositive reactivity. Essential for atomic clock frequency standards, magnetometers, and specialized photoelectric cathodes. Shipped in dedicated Swagelok-equipped cylinders or sealed ampoules.

Purity Grade ≥99.995% (4N5)
Total Impurities <50 ppm Metallic Sum
Physical Constants m.p. 28.5°C · 1.93 g/cm³
Supply Formats 5kg SS Canister / 5g–100g Ampoule
MOQ & Dispatch 500g+ / Bulk (5–7 Days)
Commercial Settlement 50/50 T/T Pre-Ship SGS Inspection
STEP 01 · CONTAINMENT
Quartz Viewport Canister

316L SS cylinder with integrated optical quartz viewport to inspect golden crystallization without breaching seal.

STEP 02 · ATMOSPHERE
Argon Overpressure

Pressurized under 99.999% dry argon (zero oxygen / zero moisture contamination).

STEP 03 · ARMORING
UN Flight Case

Riveted tamper-evident flight case certified for UN 1407 Class 4.3 PG I hazardous air/sea cargo.

Cs≥99.995%
Rb<20 ppm
K3.0 ppm
Na1.5 ppm
Mg<1.0 ppm
Pb<1.0 ppm
Al<1.0 ppm
Fe<1.0 ppm
Direct Refinery Allocation Pre-contract factory site visits hosted for institutional buyers · Quoted by formal FCO
Inquire about Cesium
ISOTOPE CU-63 / CU-65 · CAS 7440-50-8 · HS 7406.10

Isotope Copper Powder Cu ≥99.9998% (5N8)

HK Bonded Stock: 2,500 kg Non-Radioactive SGS On-Site Inspection
Hong Kong Bonded Warehouse Master Carton 01 · Copper Ampoules in HK Warehouse
AUTHENTICATED ICP-MS SCAN (正本) Standard GOST 859 / Apex 5N8 · Batch 2026-CU5N8
COA PDF [PDF] Inspection Protocol [PDF]

Non-radioactive isotope copper powder (Cu-63/Cu-65) with chemical purity exceeding 99.9998% (5N8). Oxygen content below 1 ppm. Spheroidal micro-particles (D50 4.1µm). Supplied in sealed glass ampoules (190 mm × 40 mm, 200 g net each), 5 ampoules per 1 kg package box, 36 boxes per 36 kg export carton (400 × 500 × 600 mm). 2,500 kg physical stock stored in Hong Kong bonded warehouse ready for immediate buyer sampling, SGS verification, and settlement.

Chemical Purity ≥99.9998% (5N8)
Oxygen Content <1 ppm Extreme Inert Seal
Particle Distribution D50 4.1 µm · Spheroidal
Current Stock 2,500 kg (approx. 70 cartons, 36kg each)
Storage Location Hong Kong Bonded Logistics Zone
Export Protocol Non-Radioactive
LAYER 01 · AMPOULE
200g Glass Ampoule

Sealed glass ampoule, 190 mm long × 40 mm diameter, 200 g net copper powder each.

LAYER 02 · PACKAGE BOX
1 kg Package Box

Five ampoules per box, 240 × 220 × 40 mm, 1 kg net per box.

LAYER 03 · EXPORT CARTON
36kg Export Carton

36 package boxes per carton, 400 × 500 × 600 mm, 36 kg net per carton.

Cu≥99.9998%
Oxygen<1.0 ppm
Fe<0.2 ppm
Pb<0.1 ppm
Ni<0.1 ppm
Zn<0.1 ppm
Ag<0.2 ppm
As<0.05 ppm
Hong Kong Bonded Physical Stock 50% T/T advance, 50% balance upon buyer physical inspection & SGS pickup in Hong Kong
Inquire about Copper
PURITY & FULFILLMENT BENCHMARK

Why institutional buyers source directly from Apex

Extreme purity alkali metals and non-radioactive isotopes require sovereign export compliance, verified trace impurity assays, and zero-compromise hermetic seals.

Evaluation Criteria Open B2B Platforms (Alibaba / Marketplace Brokers) Apex Material Science (Direct Tier-1 Desk)
Actual Purity & Grade 99.0%–99.9% (2N–3N) industrial salts or oxidized copper powder (>500 ppm oxygen); unsuited for atomic/quantum use. Rb & Cs ≥99.995% (4N5/5N, <50 ppm metals) · Isotope Cu Powder ≥99.9998% (5N8, Oxygen <1 ppm, D50 4.1µm).
Inventory & Export Control Paper trading brokers with zero physical stock; frequent customs confiscation due to missing Class 4.3 DG export licenses. Cu: 2,500 kg in Hong Kong Bonded Warehouse · Rb/Cs: Direct Refinery Control + Pre-Contract Site Visit.
Packaging Engineering Standard plastic bottles or thin glass vials prone to atmospheric seal failure and violent oxidation during transit. 5kg 316L SS Swagelok Cylinders (99.999% Ar) in UN Flight Cases + 5g–100g Vacuum Flame-Sealed Borosilicate Ampoules.
Pricing & Settlement Unverified low-price listings ("$1–$10/kg") are common, often paired with 100% upfront wire requests and no independent assay verification. Formal Inquiry-Based FCO Pricing · Risk-mitigated 50% T/T advance & 50% balance upon SGS/buyer physical inspection & pickup.
GOVERNMENT HAZMAT & ICP-MS LABORATORY CERTIFICATES

Verified Scans & Regulatory Dossier (正本)

Inspect authentic Chinese refinery test reports (YS/T 1246-2018 / YS/T 1245-2018), PRC Dangerous Goods Production Licenses, and Hong Kong bonded warehouse compliance records.

LAB REPORT · 2-PAGE COA Rubidium ICP-MS Assay Standard YS/T 1246-2018 · JC-ICP-03 LAB REPORT · 2-PAGE COA Cesium ICP-MS Assay Standard YS/T 1245-2018 · Lot CS-4N5 BONDED STOCK · 2-PAGE COA Isotope Copper 5N8 GOST 859 / 5N8 · Oxygen <1 ppm ↗ PRC HAZMAT LICENSE Safety Production Dossier 2026–2029 PRC DG License (金属铷/金属铯)
INSTITUTIONAL INQUIRY DESK

Request Formal Offer & COA

Direct communication with our commercial desk. Qualified institutional buyers receive an itemized Full Corporate Offer (FCO), comprehensive COA pack, and factory inspection protocols within 24 hours.

Standard terms: 50/50 T/T · SGS inspection